{
  "data": {
    "a": {
      "slug": "claude-mythos-5-2",
      "name": "Claude Mythos 5.2",
      "vendor": "Anthropic",
      "vendorUrl": "https://www.anthropic.com",
      "kind": "model",
      "category": "inference",
      "summary": "Claude Mythos 5.2 is the same model as Claude Fable 5.2 without Fable's stronger cyber and biology safeguards, for organisations Anthropic verifies, with a 1M-token context, text and images in, at $8 and $40 per million tokens.",
      "url": "https://www.anchorterminal.com/tools/claude-mythos-5-2",
      "markdownUrl": "https://www.anchorterminal.com/tools/claude-mythos-5-2.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/claude-mythos-5-2.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/claude-mythos-5-2.json",
      "dns": "claude-mythos-5-2.grade.anchorterminal.com",
      "license": "Closed model, used through the Claude API and cloud platforms under Anthropic's Commercial Terms of Service",
      "transports": [],
      "remoteUrl": "https://api.anthropic.com/v1",
      "packages": [],
      "auth": "api-key",
      "authNotes": "A Claude API key from the Console, sent as `x-api-key` or a bearer token with `anthropic-version`, per the Claude API listing. Access to claude-mythos-5-2 needs the organisation verified through one of Anthropic's programmes, the Cyber Verification Program or the Life Sciences Verification Program, applied for in a form and decided by Anthropic.",
      "pricing": "usage",
      "pricingNotes": "$8 per million input tokens, $40 output, cache writes $10 (5 minutes) or $16 (1 hour), cache reads $0.20, batch at half price, fast mode $16 and $80. Requires 30-day retention. Only after verification. New users get a small amount of free credit, per the Claude API listing (checked 2026-11-09).",
      "priceSummary": "Pay per use",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402, MPP or L402 on Anthropic's pricing page, which bills tokens to a Console account (checked 2026-11-09).",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": null,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-11-09"
      },
      "docsUrl": "https://platform.claude.com/docs/en/models/mythos-5-2/overview",
      "llmsTxt": "https://platform.claude.com/llms.txt",
      "capabilities": [
        "inference.llm"
      ],
      "tags": [
        "official",
        "hosted",
        "model",
        "multimodal",
        "vision",
        "reasoning",
        "long-context",
        "tool-calling",
        "usage-priced",
        "card-required",
        "closed-source",
        "llms-txt",
        "new",
        "approval-required",
        "gated"
      ],
      "lastRelease": "2026-11-09",
      "graded": true,
      "disclosure": "Anthropic makes the models this research run and the review panel run on. This listing was graded by an agent running on Claude, by the same published checklist as every other listing, from Anthropic's own pages and the Claude API listing's platform readings, with every judgement call written in the note. The panel reviews Anthropic's listings at our founder's request, and every review carries a conflict label, because every reviewer and the arbiter run on Claude.",
      "anchor": {
        "graded": true,
        "score": 76.1,
        "grade": "BB",
        "agentReady": true,
        "rank": 51,
        "ranked": true,
        "rankOf": 1517,
        "categoryRank": 8,
        "methodology": "0.7",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 95,
          "maintenance": 91,
          "payments": 20,
          "reliability": 60,
          "schema": 90,
          "security": 92,
          "transparency": 85
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-11-09"
        },
        "negative": 0,
        "verdict": "Fable 5.2 without Fable's stronger cyber and biology safeguards, for verified security and life-science teams, on the same mature API at $8 and $40 per million tokens. Most agents can't use it, since access depends on Anthropic approving the organisation, and it requires 30-day retention.",
        "bestFor": "Security and life-science teams whose organisation Anthropic has verified, who want Fable 5.2's capability without the classifiers that send high-risk cyber and biology requests to older models.",
        "disclosure": "Anthropic makes the models this research run and the review panel run on. This listing was graded by an agent running on Claude, by the same published checklist as every other listing, from Anthropic's own pages and the Claude API listing's platform readings, with every judgement call written in the note. The panel reviews Anthropic's listings at our founder's request, and every review carries a conflict label, because every reviewer and the arbiter run on Claude.",
        "strengths": [
          "$8 input and $40 output per million tokens, 20% below Fable 5.1, with cache reads at 2.5% of input",
          "1M-token context and 128K output, text and images in",
          "On the Claude API, Bedrock, Google Cloud and Microsoft Foundry once the organisation is verified",
          "The Claude API's status page, per-model rate limits, SDKs in seven languages and 60-day retirement notice",
          "Retirement not before 9 November 2027, stated on the model page"
        ],
        "weaknesses": [
          "Only for organisations Anthropic verifies, so an agent can't start on it alone",
          "Adaptive thinking is always on and can't be turned off",
          "Forced tool use (tool_choice any or tool) and sampling parameters return a 400",
          "Requires 30-day data retention and is outside zero data retention unless Anthropic authorises it",
          "Benchmark figures are Anthropic's own"
        ],
        "agentNotes": [
          "Confirm your organisation is verified before routing work here; otherwise use claude-fable-5-2",
          "Call https://api.anthropic.com/v1/messages with model claude-mythos-5-2 and your key",
          "Steer thinking with the effort parameter (default high); don't send temperature, top_p or top_k",
          "Don't force a tool with tool_choice any or tool; describe the tool and let the model choose",
          "Thinking blocks from it are read only by Fable 5.2 and Mythos 5.2, so keep them out of other models' context",
          "Check data retention before sending regulated data, since 30 days is required"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 0,
        "avgRating": 0,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "BB",
            "methodology": "0.7",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 76.1
          }
        ],
        "editorialScores": {
          "ergonomics": 95,
          "maintenance": 91,
          "payments": 20,
          "reliability": 60,
          "schema": 90,
          "security": 92,
          "transparency": 75
        },
        "provenanceScore": 95,
        "checked": {
          "categories": {
            "ergonomics": "2026-11-09",
            "maintenance": "2026-11-09",
            "payments": "2026-11-09",
            "reliability": "2026-11-09",
            "schema": "2026-11-09",
            "security": "2026-11-09",
            "transparency": "2026-11-09"
          },
          "last": "2026-11-09",
          "oldest": "2026-11-09",
          "stale": false,
          "staleAfterDays": 90
        }
      },
      "connect": {
        "http": "curl https://api.anthropic.com/v1/messages \\\n  -H \"x-api-key: $ANTHROPIC_API_KEY\" -H \"anthropic-version: 2023-06-01\" \\\n  -H \"content-type: application/json\" \\\n  -d '{\"model\":\"claude-mythos-5-2\",\"max_tokens\":1024,\"messages\":[{\"role\":\"user\",\"content\":\"hello\"}]}'"
      },
      "letme": {
        "capability": "https://letme.dev/inference.llm",
        "tool": "https://letme.dev/claude-mythos-5-2"
      },
      "sameCompany": [
        "claude-agent-sdk",
        "claude-code"
      ],
      "sameModel": [
        "anthropic-api",
        "claude-fable-5-2"
      ],
      "area": "models",
      "unitPrices": [
        {
          "item": "Claude Mythos 5.2 input",
          "unit": "1m-tokens",
          "usd": 8,
          "note": "Fast mode $16"
        },
        {
          "item": "Claude Mythos 5.2 cached input",
          "unit": "1m-tokens",
          "usd": 0.2,
          "note": "0.025x input; 5-minute write $10, 1-hour write $16"
        },
        {
          "item": "Claude Mythos 5.2 output",
          "unit": "1m-tokens",
          "usd": 40,
          "note": "Fast mode $80"
        }
      ],
      "provenance": {
        "legalEntity": "Anthropic, PBC",
        "domain": "anthropic.com",
        "domainRegistered": "2001-10-02",
        "domainNote": "The API is on anthropic.com. anthropic.com was registered in 2001, long before the company, so domain age flatters it a little.",
        "endpointOnVendorDomain": true,
        "terms": "https://www.anthropic.com/legal/commercial-terms",
        "privacy": "https://www.anthropic.com/legal/privacy",
        "statusPage": "https://status.claude.com",
        "changelog": "https://platform.claude.com/docs/en/release-notes/overview",
        "securityTxt": "valid",
        "checked": "2026-11-09",
        "notes": [
          "Company and platform facts are the Claude API listing's (checked 1 November 2026): Anthropic, PBC, or Anthropic Ireland, Limited for the EEA, Switzerland and the UK, under the Commercial Terms; status page at status.claude.com; dated release notes; security.txt valid to 2026-12-31.",
          "www.anthropic.com's and platform.claude.com's robots.txt allow our reader on the pages read on 9 November (platform.claude.com disallows only /api/). domainRegistered is carried from the Claude API listing's RDAP reading."
        ],
        "score": 95
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/claude-mythos-5-2.json",
      "live": {
        "slug": "claude-mythos-5-2",
        "probe": {
          "target": "https://api.anthropic.com/v1",
          "method": "get",
          "lastAt": "2026-11-10T17:29:33.239422059Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 268,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 126,
          "p95ms24h": 201,
          "samples24h": 173,
          "samples30d": 173,
          "days": [
            {
              "date": "2026-11-10",
              "probes": 173,
              "ok": 173
            }
          ],
          "since": "2026-11-10T00:33:00.829119768Z"
        },
        "vendorStatus": {
          "page": "https://status.claude.com",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-11-10T17:32:54.800280705Z"
        },
        "securityTxt": {
          "url": "https://anthropic.com/.well-known/security.txt",
          "state": "valid",
          "expires": "2026-12-31T23:59:00.000Z",
          "checkedAt": "2026-11-10T16:07:43.984717176Z"
        },
        "llmsTxt": {
          "url": "https://platform.claude.com/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-11-10T15:42:27.294195707Z"
        },
        "updatedAt": "2026-11-10T17:32:54.800280705Z"
      },
      "streak": {
        "days": 0,
        "from": "2026-11-10",
        "sinceWatching": true,
        "best": 0
      }
    },
    "answer": "Claude Mythos 5.2 scores 76.1 (BB) on agent readiness against Simplismart's 29.5 (F), and leads in 6 of 7 scored categories. Simplismart leads on payments \u0026 pricing.",
    "b": {
      "slug": "simplismart",
      "name": "Simplismart",
      "vendor": "Verute Technologies Private Limited",
      "vendorUrl": "https://simplismart.ai",
      "kind": "http-api",
      "category": "inference",
      "summary": "Simplismart is an inference platform for open models. It runs 150+ models on shared pay-per-token endpoints with an OpenAI-compatible API, and handles dedicated GPU deployments, bring-your-own-cloud clusters and fine-tuning jobs.",
      "url": "https://www.anchorterminal.com/tools/simplismart",
      "markdownUrl": "https://www.anchorterminal.com/tools/simplismart.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/simplismart.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/simplismart.json",
      "dns": "simplismart.grade.anchorterminal.com",
      "license": "Proprietary hosted service. The community Pipecat integration (pipecat-simplismart, by the simpli-smart GitHub account) is BSD-2-Clause; served models keep their own licences.",
      "transports": [
        "http"
      ],
      "remoteUrl": "https://api.simplismart.live",
      "packages": [
        {
          "registry": "pypi",
          "name": "simplismart-sdk"
        }
      ],
      "auth": "api-key",
      "authNotes": "Bearer API keys made under Settings, API Keys. Each key has a unique name and an expiry chosen at creation; non-expiring keys need a request to support. Keys return 401 after midnight UTC on the expiry date and can be deleted at once. The Python SDK and CLI use a separate Playground token. Organisation roles are Admin, Member and Billing User, and workspaces scope models and deployments.",
      "pricing": "usage",
      "pricingNotes": "Shared endpoints are priced per 1M tokens, per image or per audio minute, such as Llama 3.1 8B at $0.13 and DeepSeek-V3 at $0.90 per 1M tokens. Dedicated GPUs run from $1.20 (T4) to $5.20 (H200) per GPU-hour. Prepaid credits at $1 each; new organisations may receive $5 of free credits.",
      "priceSummary": "Pay per use",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402, MPP or L402 in the docs (llms.txt index, billing, API keys and API reference pages) or on the pricing page, checked 28 October 2026. Credits are bought by card, UPI or netbanking, or billed postpaid.",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": null,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-10-28"
      },
      "docsUrl": "https://docs.simplismart.ai",
      "llmsTxt": "https://docs.simplismart.ai/llms.txt",
      "openapi": "https://docs.simplismart.ai/openapi-specs/playground/llama-8b.yaml",
      "capabilities": [
        "inference.llm",
        "inference.open-weights",
        "speech.stt",
        "image.generate",
        "compute.endpoints",
        "finetune.sft",
        "finetune.lora",
        "finetune.preference",
        "finetune.rl"
      ],
      "tags": [
        "hosted",
        "model",
        "open-weights",
        "usage-based",
        "openai-compatible",
        "openapi",
        "llms-txt",
        "python",
        "dedicated-endpoints",
        "byoc",
        "fine-tuning"
      ],
      "lastRelease": "2026-10-19",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 29.5,
        "grade": "F",
        "agentReady": false,
        "rank": 1431,
        "ranked": true,
        "rankOf": 1517,
        "categoryRank": 45,
        "methodology": "0.7",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 17,
          "maintenance": 42,
          "payments": 25,
          "reliability": 15,
          "schema": 51,
          "security": 35,
          "transparency": 29
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-28"
        },
        "negative": 0,
        "verdict": "Simplismart exposes open models through an OpenAI-compatible endpoint with public per-token prices and expiring, revocable keys. Its public docs give no request rate limits, status page, retry guidance, tool-calling or structured-output reference, and its terms and privacy policy cover the website, not API data.",
        "bestFor": "Teams that want open models on a pay-per-token OpenAI-compatible endpoint and a path to dedicated GPUs, their own cloud or fine-tuning with one vendor, and can work without published rate limits or data-handling terms.",
        "strengths": [
          "Public per-unit prices without a login, such as Llama 3.1 8B at $0.13 per 1M tokens and Whisper v3 Turbo at $0.0018 per audio minute",
          "API keys are named, carry an expiry date chosen at creation, return 401 after expiry and can be deleted at once",
          "Markdown docs and an llms.txt index, with OpenAPI 3.1 files for seven LLMs, Whisper and Flux",
          "Shared endpoints, dedicated GPU deployments and bring-your-own-cloud clusters sit on one account, with workspaces and organisation roles"
        ],
        "weaknesses": [
          "No request or token rate limits, 429 handling or retry guidance found in the docs; only GPU quotas, given as 1 and as 8 H100s on two pages",
          "No status page, incident history or SLA document found; the 99.99% uptime figure is a homepage claim",
          "Tool calling, structured output, prompt caching and context lengths are not documented for the shared endpoints",
          "The terms (13 January 2023) and privacy policy cover the website and say nothing about prompt retention or training on API data",
          "The pricing page lists older models (Llama 3.1, DeepSeek-R1) and omits Gemma 4 31B, the model the quickstart uses"
        ],
        "agentNotes": [
          "Point an OpenAI-compatible client at https://api.simplismart.live with SIMPLISMART_API_KEY as a Bearer token, and take model ids from the marketplace or the per-model API pages.",
          "Set a key expiry and rotate before midnight UTC on the expiry date, because an expired key returns 401.",
          "Cap retries yourself with exponential backoff, because no rate limits, 429 format or retry guidance are published.",
          "Check that a model supports tools or JSON output with a test call before relying on it, because neither is documented.",
          "Confirm the per-token price of the exact model in the console before running large jobs, because the public price list is incomplete."
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 0,
        "avgRating": 0,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "F",
            "methodology": "0.7",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 29.5
          }
        ],
        "editorialScores": {
          "ergonomics": 17,
          "maintenance": 42,
          "payments": 25,
          "reliability": 15,
          "schema": 51,
          "security": 35,
          "transparency": 14
        },
        "provenanceScore": 44,
        "checked": {
          "categories": {
            "ergonomics": "2026-10-28",
            "maintenance": "2026-10-28",
            "payments": "2026-10-28",
            "reliability": "2026-10-28",
            "schema": "2026-10-28",
            "security": "2026-10-28",
            "transparency": "2026-10-28"
          },
          "last": "2026-10-28",
          "lastMoved": "2026-10-30",
          "oldest": "2026-10-28",
          "stale": false,
          "staleAfterDays": 90
        }
      },
      "connect": {
        "http": "curl 'https://api.simplismart.live/chat/completions' -H 'Content-Type: application/json' -H \"Authorization: Bearer $SIMPLISMART_API_KEY\" -d '{\"model\": \"meta-llama/Meta-Llama-3.1-8B-Instruct\", \"messages\": [{\"role\": \"user\", \"content\": \"Say hello.\"}]}'"
      },
      "letme": {
        "capability": "https://letme.dev/inference.llm",
        "tool": "https://letme.dev/simplismart"
      },
      "area": "models",
      "unitPrices": [
        {
          "item": "Llama 3.1 8B (shared)",
          "unit": "1m-tokens",
          "usd": 0.13,
          "note": "Single per-1M-token rate on the pricing page, checked 28 October 2026; input and output are not priced separately"
        },
        {
          "item": "Llama 3.3 70B (shared)",
          "unit": "1m-tokens",
          "usd": 0.74,
          "note": "Pricing page, checked 28 October 2026"
        },
        {
          "item": "DeepSeek-V3 (shared)",
          "unit": "1m-tokens",
          "usd": 0.9,
          "note": "Pricing page, checked 28 October 2026"
        },
        {
          "item": "Whisper v3 Turbo (shared)",
          "unit": "audio-minute",
          "usd": 0.0018,
          "note": "Pricing page, checked 28 October 2026"
        },
        {
          "item": "Flux Dev (shared, 1024x1024)",
          "unit": "image",
          "usd": 0.03,
          "note": "Pricing page, checked 28 October 2026"
        },
        {
          "item": "NVIDIA H100, dedicated",
          "unit": "gpu-hour",
          "usd": 5,
          "note": "Pricing page table order, checked 28 October 2026; a Simplismart article gives $4.00 per hour"
        }
      ],
      "provenance": {
        "legalEntity": "Verute Technologies Private Limited",
        "domain": "simplismart.ai",
        "domainRegistered": "",
        "endpointOnVendorDomain": false,
        "terms": "https://simplismart.ai/terms-of-service",
        "privacy": "https://simplismart.ai/privacy-policy",
        "statusPage": "",
        "changelog": "",
        "securityTxt": "none",
        "checked": "2026-10-28",
        "notes": [
          "The terms (last updated 13 January 2023) and privacy policy (effective 13 January 2023) name Verute Technologies Private Limited, Indian law and an address on Residency Road, Bengaluru. Both define the Service as the simplismart.ai website.",
          "The inference API answers on api.simplismart.live, a separate domain named in the docs. Domain registration was not checked.",
          "No status page found. The docs and site link none, and status.simplismart.ai could not be reached from our network.",
          "No changelog found in the docs sitemap or llms.txt. Model additions appear as blog posts.",
          "simplismart.ai/.well-known/security.txt answered 404."
        ],
        "score": 44
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/simplismart.json",
      "live": {
        "slug": "simplismart",
        "probe": {
          "target": "https://api.simplismart.live",
          "method": "get",
          "lastAt": "2026-11-10T17:30:18.302708428Z",
          "lastOk": true,
          "lastStatus": 405,
          "lastMs": 152,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 77,
          "p95ms24h": 185,
          "samples24h": 243,
          "samples30d": 3283,
          "days": [
            {
              "date": "2026-10-28",
              "probes": 208,
              "ok": 208
            },
            {
              "date": "2026-10-29",
              "probes": 249,
              "ok": 249
            },
            {
              "date": "2026-10-30",
              "probes": 249,
              "ok": 249
            },
            {
              "date": "2026-10-31",
              "probes": 251,
              "ok": 251
            },
            {
              "date": "2026-11-01",
              "probes": 249,
              "ok": 249
            },
            {
              "date": "2026-11-02",
              "probes": 250,
              "ok": 250
            },
            {
              "date": "2026-11-03",
              "probes": 248,
              "ok": 248
            },
            {
              "date": "2026-11-04",
              "probes": 246,
              "ok": 246
            },
            {
              "date": "2026-11-05",
              "probes": 185,
              "ok": 185
            },
            {
              "date": "2026-11-06",
              "probes": 241,
              "ok": 241
            },
            {
              "date": "2026-11-07",
              "probes": 243,
              "ok": 243
            },
            {
              "date": "2026-11-08",
              "probes": 243,
              "ok": 243
            },
            {
              "date": "2026-11-09",
              "probes": 243,
              "ok": 243
            },
            {
              "date": "2026-11-10",
              "probes": 178,
              "ok": 178
            }
          ],
          "since": "2026-10-28T00:00:00Z"
        },
        "versions": [
          {
            "registry": "pypi",
            "name": "simplismart-sdk",
            "version": "0.1.15",
            "released": "2026-11-02",
            "seenAt": "2026-11-10T04:19:19.478058007Z"
          }
        ],
        "pypiWeekly": 75,
        "securityTxt": {
          "url": "https://simplismart.ai/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-11-10T16:08:52.321142068Z"
        },
        "llmsTxt": {
          "url": "https://docs.simplismart.ai/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-11-10T15:44:36.89118926Z"
        },
        "domain": {
          "domain": "simplismart.ai",
          "registered": "2022-11-18",
          "source": "https://rdap.identitydigital.services/rdap/domain/simplismart.ai",
          "checkedAt": "2026-11-08T15:13:33.504274943Z"
        },
        "pages": [
          {
            "url": "https://simplismart.ai/privacy-policy",
            "kind": "privacy",
            "status": 304,
            "checkedAt": "2026-11-10T16:31:11.570198966Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "bd2d6d5ffe37"
          },
          {
            "url": "https://simplismart.ai/terms-of-service",
            "kind": "terms",
            "status": 304,
            "checkedAt": "2026-11-10T16:31:13.63833292Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "94fe8807daf7"
          }
        ],
        "updatedAt": "2026-11-10T17:30:18.302708428Z"
      },
      "streak": {
        "days": 13,
        "from": "2026-10-28",
        "sinceWatching": true,
        "best": 13
      }
    },
    "edges": [
      {
        "by": 78,
        "category": "ergonomics",
        "leads": "claude-mythos-5-2",
        "name": "Agent ergonomics",
        "reasons": {
          "a": "Model reading for claude-mythos-5-2 on the Claude API. Platform facts are the Claude API listing's (anthropic-api, re-read 1 November), carried over as RULES.md allows for a model on an already graded platform. Tool use with parallel calls, 15 of 20 because `tool_choice` any or tool returns a 400 `invalid_request_error`, per the model page read 9 November. Structured outputs (15). Prompt caching with reads at $0.20, 0.025x input, per the pricing page read 9 November (15). 1M context by default and at most, 128K output (15). Batch at half price (10). Official SDKs in seven languages (10). Documented errors, `retry-after` and retries (15). 15 + 15 + 15 + 15 + 10 + 10 + 15 = 95.",
          "b": "Model reading of the checklist (tool use, structured output, caching, context, batch, SDKs, errors). The LiveKit guide calls the LLM API fully OpenAI-compatible, but no page documents tools or tool_choice, and the OpenAPI files allow only system, user and assistant roles (3 of 20). No structured-output or JSON mode documented (0 of 15). No prompt caching documented for shared endpoints (0 of 15). Context lengths are not stated per model; output is capped at 4,096 tokens in the API files (3 of 15). No batch API for shared endpoints (0 of 10). Inference goes through the OpenAI client; the simplismart-sdk Python package and CLI manage repositories and deployments, not inference, and a community Pipecat package exists (5 of 10). Expired keys return a documented 401, and the SDK exposes status_code, message and payload, but no error codes or bodies are listed for the inference API (6 of 15). 3+0+0+3+0+5+6 = 17."
        },
        "scores": {
          "a": 95,
          "b": 17
        }
      },
      {
        "by": 57,
        "category": "security",
        "leads": "claude-mythos-5-2",
        "name": "Security \u0026 auth",
        "reasons": {
          "a": "Model reading for claude-mythos-5-2 on the Claude API. Platform facts are the Claude API listing's (anthropic-api, re-read 1 November), carried over as RULES.md allows for a model on an already graded platform. Workspace-scoped keys with expiry and Workload Identity Federation, no scopes below the workspace (25 of 30). No training on API data without express permission (20). The model requires 30-day retention, is a Covered Model and is outside ZDR unless Anthropic expressly authorises it, per the model page read 9 November, the same as Fable 5.1 (12 of 15). Usage and cost analytics, Compliance API and OpenTelemetry export (15). security.txt, HackerOne and SOC 2, ISO 27001 and ISO 42001 (20). Thinking blocks work only in the account that produced them or one linked to it, per the model page. 25 + 20 + 12 + 15 + 20 = 92.",
          "b": "Model reading. Named Bearer keys with an expiry chosen at creation, a 401 after expiry and immediate deletion. No scopes or per-key limits found, keys belong to the organisation, and the SDK uses a separate Playground token (20 of 30). No statement on training on API data in the terms, the privacy policy, the AI policy or the docs (0 of 20). No retention or zero-retention statement for prompts and outputs. The privacy policy covers the website only (0 of 15). The Usage page shows request counts and a per-request timeline per model, and an LLM metrics call returns token counts and timings per request id. A Simplismart article claims exportable audit trails, not documented (8 of 15). The homepage shows GDPR, ISO 27001 v2022 and AICPA SOC 2 badges, and a Simplismart article says it holds a SOC 2 Type 2 report, available on request. No trust centre was reachable, security.txt answered 404, and no disclosure policy or bug bounty was found (7 of 20). 20+0+0+8+7 = 35."
        },
        "scores": {
          "a": 92,
          "b": 35
        }
      },
      {
        "by": 56,
        "category": "transparency",
        "leads": "claude-mythos-5-2",
        "name": "Transparency \u0026 trust",
        "reasons": {
          "a": "Model reading for claude-mythos-5-2 on the Claude API. Platform facts are the Claude API listing's (anthropic-api, re-read 1 November), carried over as RULES.md allows for a model on an already graded platform. Commercial Terms with named contracting parties and Apache 2.0 SDKs (15). Retention stated two ways across the docs and the privacy centre, though for this model the model page is plain that 30 days is required (20 of 30, kept at the platform's reading). Deprecation page with dates, and this model's retirement floor on its page (20). Processing countries and subprocessors named (20). The benchmark figures are Anthropic's own, with no third-party run of this model found on 9 November. 15 + 20 + 20 + 20 = 75.",
          "b": "Closed service. The terms, last updated 13 January 2023, name Verute Technologies Private Limited and Indian law but define the Service as the website, grant Simplismart a licence to use and redistribute posted Content, bar robots and automatic access, and rule out refunds. No API or platform terms were found (8 of 30). The privacy policy, effective 13 January 2023, is a website policy that says personal data is processed in India. It says nothing about prompts, outputs, logs or training, and no DPA, retention period or subprocessor list was found. A Simplismart article claims GDPR and HIPAA support (3 of 30). No deprecation policy or dated removals (0 of 20). Data goes to India per the privacy policy, and an article says workloads are kept in approved regions by scheduling policy. No subprocessor or hosting-provider list (3 of 20). 8+3+0+3 = 14."
        },
        "scores": {
          "a": 85,
          "b": 29
        }
      },
      {
        "by": 49,
        "category": "maintenance",
        "leads": "claude-mythos-5-2",
        "name": "Maintenance \u0026 community",
        "reasons": {
          "a": "Model reading for claude-mythos-5-2 on the Claude API. Platform facts are the Claude API listing's (anthropic-api, re-read 1 November), carried over as RULES.md allows for a model on an already graded platform. Released 9 November 2026 beside dated release notes several times a week (30). 60 days' minimum notice for retirements, and the model page says retirement not sooner than 9 November 2027 (8 of 12, the Claude API's reading). Model shutdowns kept to notice (8). Support centre and dated notes (15). The sampled SDK issue without a reply, per the 1 October check (5 of 10). Current SDKs (15). Runtimes stated (10). 30 + 8 + 8 + 15 + 5 + 15 + 10 = 91.",
          "b": "Model reading for a closed service. Muse Spark Open was added in beta on 19 October 2026, and the docs sitemap shows pages changed on 7 October (30). No deprecation policy or notice period found (0 of 12). One dated model addition in the 90 days to 28 October and no recorded removals; the pricing page still lists Llama 3.1 405B and DeepSeek-R1, which the API reference doesn't cover, so the live model set is unclear (2 of 8). No public changelog or community channel. Support is support@simplismart.ai and a contact form, not tested (4 of 15). SDK issue replies not read, because github.com gave no readable robots.txt (0 of 10). simplismart-sdk for Python, documented with a CLI, and the OpenAI client for inference. No TypeScript SDK, and the PyPI page answered with a browser challenge, so the version and date are unchecked (6 of 15). CI not checked (0 of 10). 30+0+2+4+0+6+0 = 42."
        },
        "scores": {
          "a": 91,
          "b": 42
        }
      },
      {
        "by": 45,
        "category": "reliability",
        "leads": "claude-mythos-5-2",
        "name": "Reliability",
        "reasons": {
          "a": "Model reading for claude-mythos-5-2 on the Claude API. Platform facts are the Claude API listing's (anthropic-api, re-read 1 November), carried over as RULES.md allows for a model on an already graded platform. Status page at status.claude.com with component history (20). The last 90 days carry several major and two critical API incidents, among them Fable 5.1 and Mythos 5.1 on 3 September and Fable 5.1 on 23 and 25 October, so 0 for incident history. Rate limits published per model, Fable 5.x at 4,000 requests a minute at the Start tier (15). 429s with `retry-after` and SDK retries with backoff (15). No SLA on sale (0). The model page lists it as a current model with no preview label (10). 20 + 0 + 15 + 15 + 0 + 10 = 60. Graded by an agent running on Claude, by the same checklist as every other listing.",
          "b": "Hosted reading. No status page found. The docs and site link none, a search found none, and status.simplismart.ai could not be reached from our network (0). No readable incident history (5). No request or token rate limits are published for shared endpoints. The docs give GPU quotas for training, compilation and private deployments only, 1 H100 and 1 L40 on the Quotas page and 8 of each on the Organisation page (0). No 429 response, Retry-After header or retry guidance found; the OpenAPI files list only 400, 401 and 500 (0). No SLA document found. The homepage claims 99.99% uptime and a Simplismart post calls its autoscaling SLA-backed, but no terms state a commitment, and the terms provide the service as is (0). Shared endpoints carry no beta label, while Muse Spark Open is in beta (10). 0+5+0+0+0+10 = 15."
        },
        "scores": {
          "a": 60,
          "b": 15
        }
      },
      {
        "by": 39,
        "category": "schema",
        "leads": "claude-mythos-5-2",
        "name": "Schema \u0026 documentation",
        "reasons": {
          "a": "Model reading for claude-mythos-5-2 on the Claude API. Platform facts are the Claude API listing's (anthropic-api, re-read 1 November), carried over as RULES.md allows for a model on an already graded platform. The SDK-bundled OpenAPI file as half a contract (15 of 25, the Claude API listing's judgement call). llms.txt with Markdown twins (10). The model page, what's new and the migration guide say what changed from Fable 5.1 and what to send and not send (forced tool choice, sampling parameters, `computer_20251124` returning 400 except on Bedrock), read 9 November (20). Structured outputs and strict tools GA (15). Documented error types with `request_id` (15). `anthropic-version` and dated release notes (15). 15 + 10 + 20 + 15 + 15 + 15 = 90.",
          "b": "Model reading. OpenAPI 3.1 files for seven LLMs and 3.0 or 3.1 files for Whisper, Flux, an LLM metrics call and training jobs. They cover a handful of the 150+ models, omit tools and response_format, show a streaming `delta` as the non-streaming response, and several name hosts on s9t.link instead of api.simplismart.live. The Llama 4 Maverick file gives `llama3_1` as its only model id, and /api-reference/openapi.json is the Flux spec (12 of 25). llms.txt and a Markdown copy of each docs page (10). The docs say when to use shared or dedicated endpoints; model pages carry one-line descriptions (10 of 20). Roles are enums, temperature is bounded 0 to 2, max_tokens 1 to 4096, and messages and model are required (10 of 15). curl and OpenAI-client Python examples. Errors are bare 400, 401 and 500 descriptions, plus an SDK example of a 404 payload (7 of 15). No changelog. Every spec reads version 1.0.0 (2 of 15). 12+10+10+10+7+2 = 51."
        },
        "scores": {
          "a": 90,
          "b": 51
        }
      }
    ],
    "facts": [
      {
        "a": "Model API",
        "b": "HTTP API",
        "name": "Kind"
      },
      {
        "a": "Anthropic",
        "b": "Verute Technologies Private Limited",
        "name": "Vendor"
      },
      {
        "a": "https://api.anthropic.com/v1",
        "b": "https://api.simplismart.live",
        "name": "Hosted endpoint"
      },
      {
        "a": "",
        "b": "HTTP",
        "name": "Transports"
      },
      {
        "a": "API key",
        "b": "API key",
        "name": "Auth"
      },
      {
        "a": "Pay per use",
        "b": "Pay per use",
        "name": "Pricing"
      },
      {
        "a": "no",
        "b": "no",
        "name": "x402"
      },
      {
        "a": "Closed model, used through the Claude API and cloud platforms under Anthropic's Commercial Terms of Service",
        "b": "Proprietary hosted service. The community Pipecat integration (pipecat-simplismart, by the simpli-smart GitHub account) is BSD-2-Clause; served models keep their own licences.",
        "name": "Licence"
      },
      {
        "a": "no",
        "b": "no",
        "name": "Read-only variant documented"
      },
      {
        "a": "yes",
        "b": "yes",
        "name": "llms.txt"
      },
      {
        "a": "2026-11-09",
        "b": "2026-10-19",
        "name": "Last release"
      },
      {
        "a": "no date given",
        "b": "2023-01-13",
        "name": "Terms last updated"
      },
      {
        "a": "no date given",
        "b": "2023-01-13",
        "name": "Privacy policy last updated"
      },
      {
        "a": "yes, with an opt-out",
        "b": "not found in the text",
        "name": "Customer content may train models"
      },
      {
        "a": "not found in the text",
        "b": "yes",
        "name": "Terms restrict automated access"
      },
      {
        "a": "yes",
        "b": "not found in the text",
        "name": "Terms restrict benchmarking"
      },
      {
        "a": "not found in the text",
        "b": "yes",
        "name": "Terms or service can change without notice"
      },
      {
        "a": "yes",
        "b": "yes",
        "name": "Arbitration or class-action waiver"
      }
    ],
    "faq": [
      {
        "answer": "Claude Mythos 5.2 scores 76.1 (BB) on agent readiness against Simplismart's 29.5 (F), and leads in 6 of 7 scored categories. Simplismart leads on payments \u0026 pricing.",
        "question": "Which is better for AI agents, Claude Mythos 5.2 or Simplismart?"
      },
      {
        "answer": "Both need an API key.",
        "question": "Do Claude Mythos 5.2 and Simplismart need an API key?"
      },
      {
        "answer": "Yes. Claude Mythos 5.2 has a hosted endpoint at https://api.anthropic.com/v1 and Simplismart at https://api.simplismart.live.",
        "question": "Can an agent call Claude Mythos 5.2 and Simplismart without installing anything?"
      }
    ],
    "goodFor": [
      {
        "aheadOn": [
          "Reliability, 60 against 15",
          "Schema \u0026 documentation, 90 against 51",
          "Agent ergonomics, 95 against 17",
          "Security \u0026 auth, 92 against 35",
          "Maintenance \u0026 community, 91 against 42",
          "Transparency \u0026 trust, 85 against 29"
        ],
        "also": [
          "Agent-ready, a grade of BB or better"
        ],
        "goodFor": "Security and life-science teams whose organisation Anthropic has verified, who want Fable 5.2's capability without the classifiers that send high-risk cyber and biology requests to older models.",
        "slug": "claude-mythos-5-2",
        "watchFor": "Only for organisations Anthropic verifies, so an agent can't start on it alone"
      },
      {
        "aheadOn": [
          "Payments \u0026 pricing, 25 against 20"
        ],
        "also": null,
        "goodFor": "Teams that want open models on a pay-per-token OpenAI-compatible endpoint and a path to dedicated GPUs, their own cloud or fine-tuning with one vendor, and can work without published rate limits or data-handling terms.",
        "slug": "simplismart",
        "watchFor": "No request or token rate limits, 429 handling or retry guidance found in the docs; only GPU quotas, given as 1 and as 8 H100s on two pages"
      }
    ],
    "history": {
      "claude-mythos-5-2": null,
      "simplismart": [
        {
          "causes": [
            "method"
          ],
          "date": "2026-10-30",
          "delta": -0.2,
          "from": 29.7,
          "fromGrade": "F",
          "to": 29.5,
          "toGrade": "F"
        }
      ]
    },
    "job": {
      "capability": "inference.llm",
      "name": "LLM inference"
    },
    "others": [
      {
        "json": "https://www.anchorterminal.com/compare/amazon-bedrock-vs-claude-mythos-5-2.json",
        "title": "Amazon Bedrock vs Claude Mythos 5.2",
        "url": "https://www.anchorterminal.com/compare/amazon-bedrock-vs-claude-mythos-5-2"
      },
      {
        "json": "https://www.anchorterminal.com/compare/amazon-bedrock-vs-simplismart.json",
        "title": "Amazon Bedrock vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/amazon-bedrock-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/anthropic-api-vs-claude-mythos-5-2.json",
        "title": "Claude API vs Claude Mythos 5.2",
        "url": "https://www.anchorterminal.com/compare/anthropic-api-vs-claude-mythos-5-2"
      },
      {
        "json": "https://www.anchorterminal.com/compare/anthropic-api-vs-simplismart.json",
        "title": "Claude API vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/anthropic-api-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/antseed-vs-claude-mythos-5-2.json",
        "title": "Antseed vs Claude Mythos 5.2",
        "url": "https://www.anchorterminal.com/compare/antseed-vs-claude-mythos-5-2"
      },
      {
        "json": "https://www.anchorterminal.com/compare/antseed-vs-simplismart.json",
        "title": "Antseed vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/antseed-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/azure-openai-vs-claude-mythos-5-2.json",
        "title": "Azure OpenAI in Foundry Models vs Claude Mythos 5.2",
        "url": "https://www.anchorterminal.com/compare/azure-openai-vs-claude-mythos-5-2"
      },
      {
        "json": "https://www.anchorterminal.com/compare/azure-openai-vs-simplismart.json",
        "title": "Azure OpenAI in Foundry Models vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/azure-openai-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/blockrun-ai-vs-claude-mythos-5-2.json",
        "title": "BlockRun.AI vs Claude Mythos 5.2",
        "url": "https://www.anchorterminal.com/compare/blockrun-ai-vs-claude-mythos-5-2"
      },
      {
        "json": "https://www.anchorterminal.com/compare/blockrun-ai-vs-simplismart.json",
        "title": "BlockRun.AI vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/blockrun-ai-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cerebras-inference-vs-claude-mythos-5-2.json",
        "title": "Cerebras Inference vs Claude Mythos 5.2",
        "url": "https://www.anchorterminal.com/compare/cerebras-inference-vs-claude-mythos-5-2"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cerebras-inference-vs-simplismart.json",
        "title": "Cerebras Inference vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/cerebras-inference-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-fable-5-2-vs-claude-mythos-5-2.json",
        "title": "Claude Fable 5.2 vs Claude Mythos 5.2",
        "url": "https://www.anchorterminal.com/compare/claude-fable-5-2-vs-claude-mythos-5-2"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-fable-5-2-vs-simplismart.json",
        "title": "Claude Fable 5.2 vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/claude-fable-5-2-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-cloudflare-ai-gateway.json",
        "title": "Claude Mythos 5.2 vs Cloudflare AI Gateway",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-cloudflare-ai-gateway"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-cloudflare-workers-ai.json",
        "title": "Claude Mythos 5.2 vs Cloudflare Workers AI",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-cloudflare-workers-ai"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-cohere-chat.json",
        "title": "Claude Mythos 5.2 vs Cohere Chat API (Command models)",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-cohere-chat"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-deepinfra.json",
        "title": "Claude Mythos 5.2 vs DeepInfra",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-deepinfra"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-deepseek-api.json",
        "title": "Claude Mythos 5.2 vs DeepSeek API",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-deepseek-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-eden-ai.json",
        "title": "Claude Mythos 5.2 vs Eden AI",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-eden-ai"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-elorian-glimpse.json",
        "title": "Claude Mythos 5.2 vs Glimpse",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-elorian-glimpse"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-fireworks-inference.json",
        "title": "Claude Mythos 5.2 vs Fireworks AI Inference",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-fireworks-inference"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-gemini-api.json",
        "title": "Claude Mythos 5.2 vs Gemini Developer API",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-gemini-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-groq.json",
        "title": "Claude Mythos 5.2 vs GroqCloud",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-groq"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-hugging-face-inference-providers.json",
        "title": "Claude Mythos 5.2 vs Hugging Face Inference Providers",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-hugging-face-inference-providers"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-inkling-2-small.json",
        "title": "Claude Mythos 5.2 vs Inkling 2 Small",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-inkling-2-small"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-jais-3.json",
        "title": "Claude Mythos 5.2 vs Jais 3",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-jais-3"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-meta-model-api.json",
        "title": "Claude Mythos 5.2 vs Meta Model API",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-meta-model-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-minimax-api.json",
        "title": "Claude Mythos 5.2 vs MiniMax API",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-minimax-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-mistral-api.json",
        "title": "Claude Mythos 5.2 vs Mistral AI API",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-mistral-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-muse-ember.json",
        "title": "Claude Mythos 5.2 vs Muse Ember",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-muse-ember"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-muse-spark-open.json",
        "title": "Claude Mythos 5.2 vs Muse Spark Open",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-muse-spark-open"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-nemotron-3-5-super-vl.json",
        "title": "Claude Mythos 5.2 vs Nemotron 3.5 Super VL",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-nemotron-3-5-super-vl"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-novita-ai.json",
        "title": "Claude Mythos 5.2 vs Novita AI",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-novita-ai"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-openai-api.json",
        "title": "Claude Mythos 5.2 vs OpenAI API",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-openai-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-openrouter.json",
        "title": "Claude Mythos 5.2 vs OpenRouter",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-openrouter"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-prism-inference.json",
        "title": "Claude Mythos 5.2 vs Prism Inference",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-prism-inference"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-ramp-router.json",
        "title": "Claude Mythos 5.2 vs Router.com (Ramp Router)",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-ramp-router"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-reflection-beam.json",
        "title": "Claude Mythos 5.2 vs Beam 1.0",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-reflection-beam"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-routerplus.json",
        "title": "Claude Mythos 5.2 vs RouterPlus",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-routerplus"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-sambanova.json",
        "title": "Claude Mythos 5.2 vs SambaCloud",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-sambanova"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-siliconflow.json",
        "title": "Claude Mythos 5.2 vs SiliconFlow",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-siliconflow"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-stepfun-api.json",
        "title": "Claude Mythos 5.2 vs StepFun API",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-stepfun-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-swe-2-flash.json",
        "title": "Claude Mythos 5.2 vs SWE-2 Flash",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-swe-2-flash"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-tencent-tokenhub.json",
        "title": "Claude Mythos 5.2 vs Tencent Cloud TokenHub",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-tencent-tokenhub"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-together-inference.json",
        "title": "Claude Mythos 5.2 vs Together AI Inference",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-together-inference"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-vercel-ai-gateway.json",
        "title": "Claude Mythos 5.2 vs Vercel AI Gateway",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-vercel-ai-gateway"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-vertex-ai.json",
        "title": "Claude Mythos 5.2 vs Vertex AI (Gemini Enterprise Agent Platform)",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-vertex-ai"
      },
      {
        "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-xai-api.json",
        "title": "Claude Mythos 5.2 vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-xai-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cloudflare-ai-gateway-vs-simplismart.json",
        "title": "Cloudflare AI Gateway vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/cloudflare-ai-gateway-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cloudflare-workers-ai-vs-simplismart.json",
        "title": "Cloudflare Workers AI vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/cloudflare-workers-ai-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cohere-chat-vs-simplismart.json",
        "title": "Cohere Chat API (Command models) vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/cohere-chat-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/deepinfra-vs-simplismart.json",
        "title": "DeepInfra vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/deepinfra-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/deepseek-api-vs-simplismart.json",
        "title": "DeepSeek API vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/deepseek-api-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/eden-ai-vs-simplismart.json",
        "title": "Eden AI vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/eden-ai-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/elorian-glimpse-vs-simplismart.json",
        "title": "Glimpse vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/elorian-glimpse-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/fireworks-inference-vs-simplismart.json",
        "title": "Fireworks AI Inference vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/fireworks-inference-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/gemini-api-vs-simplismart.json",
        "title": "Gemini Developer API vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/gemini-api-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/groq-vs-simplismart.json",
        "title": "GroqCloud vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/groq-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/hugging-face-inference-providers-vs-simplismart.json",
        "title": "Hugging Face Inference Providers vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/hugging-face-inference-providers-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/inkling-2-small-vs-simplismart.json",
        "title": "Inkling 2 Small vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/inkling-2-small-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/jais-3-vs-simplismart.json",
        "title": "Jais 3 vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/jais-3-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/meta-model-api-vs-simplismart.json",
        "title": "Meta Model API vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/meta-model-api-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/minimax-api-vs-simplismart.json",
        "title": "MiniMax API vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/minimax-api-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/mistral-api-vs-simplismart.json",
        "title": "Mistral AI API vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/mistral-api-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/muse-ember-vs-simplismart.json",
        "title": "Muse Ember vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/muse-ember-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/muse-spark-open-vs-simplismart.json",
        "title": "Muse Spark Open vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/muse-spark-open-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/novita-ai-vs-simplismart.json",
        "title": "Novita AI vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/novita-ai-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/openai-api-vs-simplismart.json",
        "title": "OpenAI API vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/openai-api-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/openrouter-vs-simplismart.json",
        "title": "OpenRouter vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/openrouter-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/prism-inference-vs-simplismart.json",
        "title": "Prism Inference vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/prism-inference-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/ramp-router-vs-simplismart.json",
        "title": "Router.com (Ramp Router) vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/ramp-router-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/reflection-beam-vs-simplismart.json",
        "title": "Beam 1.0 vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/reflection-beam-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/routerplus-vs-simplismart.json",
        "title": "RouterPlus vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/routerplus-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/sambanova-vs-simplismart.json",
        "title": "SambaCloud vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/sambanova-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/siliconflow-vs-simplismart.json",
        "title": "SiliconFlow vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/siliconflow-vs-simplismart"
      },
      {
        "json": "https://www.anchorterminal.com/compare/simplismart-vs-stepfun-api.json",
        "title": "Simplismart vs StepFun API",
        "url": "https://www.anchorterminal.com/compare/simplismart-vs-stepfun-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/simplismart-vs-swe-2-flash.json",
        "title": "Simplismart vs SWE-2 Flash",
        "url": "https://www.anchorterminal.com/compare/simplismart-vs-swe-2-flash"
      },
      {
        "json": "https://www.anchorterminal.com/compare/simplismart-vs-tencent-tokenhub.json",
        "title": "Simplismart vs Tencent Cloud TokenHub",
        "url": "https://www.anchorterminal.com/compare/simplismart-vs-tencent-tokenhub"
      },
      {
        "json": "https://www.anchorterminal.com/compare/simplismart-vs-together-inference.json",
        "title": "Simplismart vs Together AI Inference",
        "url": "https://www.anchorterminal.com/compare/simplismart-vs-together-inference"
      },
      {
        "json": "https://www.anchorterminal.com/compare/simplismart-vs-vercel-ai-gateway.json",
        "title": "Simplismart vs Vercel AI Gateway",
        "url": "https://www.anchorterminal.com/compare/simplismart-vs-vercel-ai-gateway"
      },
      {
        "json": "https://www.anchorterminal.com/compare/simplismart-vs-vertex-ai.json",
        "title": "Simplismart vs Vertex AI (Gemini Enterprise Agent Platform)",
        "url": "https://www.anchorterminal.com/compare/simplismart-vs-vertex-ai"
      },
      {
        "json": "https://www.anchorterminal.com/compare/simplismart-vs-xai-api.json",
        "title": "Simplismart vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/simplismart-vs-xai-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/nemotron-3-5-super-vl-vs-simplismart.json",
        "title": "Nemotron 3.5 Super VL vs Simplismart",
        "url": "https://www.anchorterminal.com/compare/nemotron-3-5-super-vl-vs-simplismart"
      }
    ],
    "panel": null,
    "scores": [
      {
        "by": 45,
        "claude-mythos-5-2": 60,
        "edge": "claude-mythos-5-2",
        "key": "reliability",
        "name": "Reliability",
        "simplismart": 15,
        "weight": 16
      },
      {
        "key": "performance",
        "name": "Performance",
        "pending": true,
        "weight": 10
      },
      {
        "by": 39,
        "claude-mythos-5-2": 90,
        "edge": "claude-mythos-5-2",
        "key": "schema",
        "name": "Schema \u0026 documentation",
        "simplismart": 51,
        "weight": 13
      },
      {
        "by": 78,
        "claude-mythos-5-2": 95,
        "edge": "claude-mythos-5-2",
        "key": "ergonomics",
        "name": "Agent ergonomics",
        "simplismart": 17,
        "weight": 13
      },
      {
        "by": 57,
        "claude-mythos-5-2": 92,
        "edge": "claude-mythos-5-2",
        "key": "security",
        "name": "Security \u0026 auth",
        "simplismart": 35,
        "weight": 14
      },
      {
        "by": 5,
        "claude-mythos-5-2": 20,
        "edge": "simplismart",
        "key": "payments",
        "name": "Payments \u0026 pricing",
        "simplismart": 25,
        "weight": 10
      },
      {
        "key": "tasks",
        "name": "Task success",
        "pending": true,
        "weight": 10
      },
      {
        "by": 49,
        "claude-mythos-5-2": 91,
        "edge": "claude-mythos-5-2",
        "key": "maintenance",
        "name": "Maintenance \u0026 community",
        "simplismart": 42,
        "weight": 7
      },
      {
        "by": 56,
        "claude-mythos-5-2": 85,
        "edge": "claude-mythos-5-2",
        "key": "transparency",
        "name": "Transparency \u0026 trust",
        "simplismart": 29,
        "weight": 7
      }
    ],
    "summary": "Claude Mythos 5.2 scores 76.1 (BB) on agent readiness against Simplismart's 29.5 (F), and leads in 6 of 7 scored categories. Simplismart leads on payments \u0026 pricing. Both do llm inference.",
    "tasks": null,
    "tutorials": [],
    "verdicts": {
      "claude-mythos-5-2": "Fable 5.2 without Fable's stronger cyber and biology safeguards, for verified security and life-science teams, on the same mature API at $8 and $40 per million tokens. Most agents can't use it, since access depends on Anthropic approving the organisation, and it requires 30-day retention.",
      "simplismart": "Simplismart exposes open models through an OpenAI-compatible endpoint with public per-token prices and expiring, revocable keys. Its public docs give no request rate limits, status page, retry guidance, tool-calling or structured-output reference, and its terms and privacy policy cover the website, not API data."
    }
  },
  "kind": "anchor.page",
  "links": {
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    "html": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-simplismart",
    "json": "https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-simplismart.json",
    "llms": "https://www.anchorterminal.com/llms.txt",
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  "markdown": "Claude Mythos 5.2 scores 76.1 (BB) on agent readiness against Simplismart's 29.5 (F), and leads in 6 of 7 scored categories. Simplismart leads on payments \u0026 pricing. Both do llm inference.\n\n- Claude Mythos 5.2: grade BB, 76.1/100, rank #51 of 1517. Markdown https://www.anchorterminal.com/tools/claude-mythos-5-2.md · JSON https://www.anchorterminal.com/api/v1/tools/claude-mythos-5-2.json\n- Simplismart: grade F, 29.5/100, rank #1431 of 1517. Markdown https://www.anchorterminal.com/tools/simplismart.md · JSON https://www.anchorterminal.com/api/v1/tools/simplismart.json\n- Best model APIs and inference for AI agents: https://www.anchorterminal.com/best/inference/index.md\n- All 956 models comparisons: https://www.anchorterminal.com/compare/inference/index.md\n\n## Which one, for what\n\n### Claude Mythos 5.2 (BB)\n\nGood for: Security and life-science teams whose organisation Anthropic has verified, who want Fable 5.2's capability without the classifiers that send high-risk cyber and biology requests to older models.\n\nAhead on:\n- Reliability, 60 against 15\n- Schema \u0026 documentation, 90 against 51\n- Agent ergonomics, 95 against 17\n- Security \u0026 auth, 92 against 35\n- Maintenance \u0026 community, 91 against 42\n- Transparency \u0026 trust, 85 against 29\n\nAlso in its favour:\n- Agent-ready, a grade of BB or better\n\nWatch for: Only for organisations Anthropic verifies, so an agent can't start on it alone\n\n### Simplismart (F)\n\nGood for: Teams that want open models on a pay-per-token OpenAI-compatible endpoint and a path to dedicated GPUs, their own cloud or fine-tuning with one vendor, and can work without published rate limits or data-handling terms.\n\nAhead on:\n- Payments \u0026 pricing, 25 against 20\n\nWatch for: No request or token rate limits, 429 handling or retry guidance found in the docs; only GPU quotas, given as 1 and as 8 H100s on two pages\n\n\n## Why the edge\n\n### Agent ergonomics: Claude Mythos 5.2 +78\n\n- Claude Mythos 5.2 (95): Model reading for claude-mythos-5-2 on the Claude API. Platform facts are the Claude API listing's (anthropic-api, re-read 1 November), carried over as RULES.md allows for a model on an already graded platform. Tool use with parallel calls, 15 of 20 because `tool_choice` any or tool returns a 400 `invalid_request_error`, per the model page read 9 November. Structured outputs (15). Prompt caching with reads at $0.20, 0.025x input, per the pricing page read 9 November (15). 1M context by default and at most, 128K output (15). Batch at half price (10). Official SDKs in seven languages (10). Documented errors, `retry-after` and retries (15). 15 + 15 + 15 + 15 + 10 + 10 + 15 = 95.\n- Simplismart (17): Model reading of the checklist (tool use, structured output, caching, context, batch, SDKs, errors). The LiveKit guide calls the LLM API fully OpenAI-compatible, but no page documents tools or tool_choice, and the OpenAPI files allow only system, user and assistant roles (3 of 20). No structured-output or JSON mode documented (0 of 15). No prompt caching documented for shared endpoints (0 of 15). Context lengths are not stated per model; output is capped at 4,096 tokens in the API files (3 of 15). No batch API for shared endpoints (0 of 10). Inference goes through the OpenAI client; the simplismart-sdk Python package and CLI manage repositories and deployments, not inference, and a community Pipecat package exists (5 of 10). Expired keys return a documented 401, and the SDK exposes status_code, message and payload, but no error codes or bodies are listed for the inference API (6 of 15). 3+0+0+3+0+5+6 = 17.\n\n### Security \u0026 auth: Claude Mythos 5.2 +57\n\n- Claude Mythos 5.2 (92): Model reading for claude-mythos-5-2 on the Claude API. Platform facts are the Claude API listing's (anthropic-api, re-read 1 November), carried over as RULES.md allows for a model on an already graded platform. Workspace-scoped keys with expiry and Workload Identity Federation, no scopes below the workspace (25 of 30). No training on API data without express permission (20). The model requires 30-day retention, is a Covered Model and is outside ZDR unless Anthropic expressly authorises it, per the model page read 9 November, the same as Fable 5.1 (12 of 15). Usage and cost analytics, Compliance API and OpenTelemetry export (15). security.txt, HackerOne and SOC 2, ISO 27001 and ISO 42001 (20). Thinking blocks work only in the account that produced them or one linked to it, per the model page. 25 + 20 + 12 + 15 + 20 = 92.\n- Simplismart (35): Model reading. Named Bearer keys with an expiry chosen at creation, a 401 after expiry and immediate deletion. No scopes or per-key limits found, keys belong to the organisation, and the SDK uses a separate Playground token (20 of 30). No statement on training on API data in the terms, the privacy policy, the AI policy or the docs (0 of 20). No retention or zero-retention statement for prompts and outputs. The privacy policy covers the website only (0 of 15). The Usage page shows request counts and a per-request timeline per model, and an LLM metrics call returns token counts and timings per request id. A Simplismart article claims exportable audit trails, not documented (8 of 15). The homepage shows GDPR, ISO 27001 v2022 and AICPA SOC 2 badges, and a Simplismart article says it holds a SOC 2 Type 2 report, available on request. No trust centre was reachable, security.txt answered 404, and no disclosure policy or bug bounty was found (7 of 20). 20+0+0+8+7 = 35.\n\n### Transparency \u0026 trust: Claude Mythos 5.2 +56\n\n- Claude Mythos 5.2 (85): Model reading for claude-mythos-5-2 on the Claude API. Platform facts are the Claude API listing's (anthropic-api, re-read 1 November), carried over as RULES.md allows for a model on an already graded platform. Commercial Terms with named contracting parties and Apache 2.0 SDKs (15). Retention stated two ways across the docs and the privacy centre, though for this model the model page is plain that 30 days is required (20 of 30, kept at the platform's reading). Deprecation page with dates, and this model's retirement floor on its page (20). Processing countries and subprocessors named (20). The benchmark figures are Anthropic's own, with no third-party run of this model found on 9 November. 15 + 20 + 20 + 20 = 75.\n- Simplismart (29): Closed service. The terms, last updated 13 January 2023, name Verute Technologies Private Limited and Indian law but define the Service as the website, grant Simplismart a licence to use and redistribute posted Content, bar robots and automatic access, and rule out refunds. No API or platform terms were found (8 of 30). The privacy policy, effective 13 January 2023, is a website policy that says personal data is processed in India. It says nothing about prompts, outputs, logs or training, and no DPA, retention period or subprocessor list was found. A Simplismart article claims GDPR and HIPAA support (3 of 30). No deprecation policy or dated removals (0 of 20). Data goes to India per the privacy policy, and an article says workloads are kept in approved regions by scheduling policy. No subprocessor or hosting-provider list (3 of 20). 8+3+0+3 = 14.\n\n### Maintenance \u0026 community: Claude Mythos 5.2 +49\n\n- Claude Mythos 5.2 (91): Model reading for claude-mythos-5-2 on the Claude API. Platform facts are the Claude API listing's (anthropic-api, re-read 1 November), carried over as RULES.md allows for a model on an already graded platform. Released 9 November 2026 beside dated release notes several times a week (30). 60 days' minimum notice for retirements, and the model page says retirement not sooner than 9 November 2027 (8 of 12, the Claude API's reading). Model shutdowns kept to notice (8). Support centre and dated notes (15). The sampled SDK issue without a reply, per the 1 October check (5 of 10). Current SDKs (15). Runtimes stated (10). 30 + 8 + 8 + 15 + 5 + 15 + 10 = 91.\n- Simplismart (42): Model reading for a closed service. Muse Spark Open was added in beta on 19 October 2026, and the docs sitemap shows pages changed on 7 October (30). No deprecation policy or notice period found (0 of 12). One dated model addition in the 90 days to 28 October and no recorded removals; the pricing page still lists Llama 3.1 405B and DeepSeek-R1, which the API reference doesn't cover, so the live model set is unclear (2 of 8). No public changelog or community channel. Support is support@simplismart.ai and a contact form, not tested (4 of 15). SDK issue replies not read, because github.com gave no readable robots.txt (0 of 10). simplismart-sdk for Python, documented with a CLI, and the OpenAI client for inference. No TypeScript SDK, and the PyPI page answered with a browser challenge, so the version and date are unchecked (6 of 15). CI not checked (0 of 10). 30+0+2+4+0+6+0 = 42.\n\n### Reliability: Claude Mythos 5.2 +45\n\n- Claude Mythos 5.2 (60): Model reading for claude-mythos-5-2 on the Claude API. Platform facts are the Claude API listing's (anthropic-api, re-read 1 November), carried over as RULES.md allows for a model on an already graded platform. Status page at status.claude.com with component history (20). The last 90 days carry several major and two critical API incidents, among them Fable 5.1 and Mythos 5.1 on 3 September and Fable 5.1 on 23 and 25 October, so 0 for incident history. Rate limits published per model, Fable 5.x at 4,000 requests a minute at the Start tier (15). 429s with `retry-after` and SDK retries with backoff (15). No SLA on sale (0). The model page lists it as a current model with no preview label (10). 20 + 0 + 15 + 15 + 0 + 10 = 60. Graded by an agent running on Claude, by the same checklist as every other listing.\n- Simplismart (15): Hosted reading. No status page found. The docs and site link none, a search found none, and status.simplismart.ai could not be reached from our network (0). No readable incident history (5). No request or token rate limits are published for shared endpoints. The docs give GPU quotas for training, compilation and private deployments only, 1 H100 and 1 L40 on the Quotas page and 8 of each on the Organisation page (0). No 429 response, Retry-After header or retry guidance found; the OpenAPI files list only 400, 401 and 500 (0). No SLA document found. The homepage claims 99.99% uptime and a Simplismart post calls its autoscaling SLA-backed, but no terms state a commitment, and the terms provide the service as is (0). Shared endpoints carry no beta label, while Muse Spark Open is in beta (10). 0+5+0+0+0+10 = 15.\n\n### Schema \u0026 documentation: Claude Mythos 5.2 +39\n\n- Claude Mythos 5.2 (90): Model reading for claude-mythos-5-2 on the Claude API. Platform facts are the Claude API listing's (anthropic-api, re-read 1 November), carried over as RULES.md allows for a model on an already graded platform. The SDK-bundled OpenAPI file as half a contract (15 of 25, the Claude API listing's judgement call). llms.txt with Markdown twins (10). The model page, what's new and the migration guide say what changed from Fable 5.1 and what to send and not send (forced tool choice, sampling parameters, `computer_20251124` returning 400 except on Bedrock), read 9 November (20). Structured outputs and strict tools GA (15). Documented error types with `request_id` (15). `anthropic-version` and dated release notes (15). 15 + 10 + 20 + 15 + 15 + 15 = 90.\n- Simplismart (51): Model reading. OpenAPI 3.1 files for seven LLMs and 3.0 or 3.1 files for Whisper, Flux, an LLM metrics call and training jobs. They cover a handful of the 150+ models, omit tools and response_format, show a streaming `delta` as the non-streaming response, and several name hosts on s9t.link instead of api.simplismart.live. The Llama 4 Maverick file gives `llama3_1` as its only model id, and /api-reference/openapi.json is the Flux spec (12 of 25). llms.txt and a Markdown copy of each docs page (10). The docs say when to use shared or dedicated endpoints; model pages carry one-line descriptions (10 of 20). Roles are enums, temperature is bounded 0 to 2, max_tokens 1 to 4096, and messages and model are required (10 of 15). curl and OpenAI-client Python examples. Errors are bare 400, 401 and 500 descriptions, plus an SDK example of a 404 payload (7 of 15). No changelog. Every spec reads version 1.0.0 (2 of 15). 12+10+10+10+7+2 = 51.\n\n## Score by category\n\n| Category | Weight | Claude Mythos 5.2 | Simplismart | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 60 | 15 | Claude Mythos 5.2 +45 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 90 | 51 | Claude Mythos 5.2 +39 |\n| Agent ergonomics | 13% (16.2 this run) | 95 | 17 | Claude Mythos 5.2 +78 |\n| Security \u0026 auth | 14% (17.5 this run) | 92 | 35 | Claude Mythos 5.2 +57 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 20 | 25 | Simplismart +5 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 91 | 42 | Claude Mythos 5.2 +49 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 85 | 29 | Claude Mythos 5.2 +56 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **76.1 · BB** | **29.5 · F** | |\n\n## Facts side by side\n\n| Fact | Claude Mythos 5.2 | Simplismart |\n| --- | --- | --- |\n| Kind | Model API | HTTP API |\n| Vendor | Anthropic | Verute Technologies Private Limited |\n| Hosted endpoint | `https://api.anthropic.com/v1` | `https://api.simplismart.live` |\n| Transports |  | HTTP |\n| Auth | API key | API key |\n| Pricing | Pay per use | Pay per use |\n| x402 | no | no |\n| Licence | Closed model, used through the Claude API and cloud platforms under Anthropic's Commercial Terms of Service | Proprietary hosted service. The community Pipecat integration (pipecat-simplismart, by the simpli-smart GitHub account) is BSD-2-Clause; served models keep their own licences. |\n| Read-only variant documented | no | no |\n| llms.txt | yes | yes |\n| Last release | 2026-11-09 | 2026-10-19 |\n| Terms last updated | no date given | 2023-01-13 |\n| Privacy policy last updated | no date given | 2023-01-13 |\n| Customer content may train models | yes, with an opt-out | not found in the text |\n| Terms restrict automated access | not found in the text | yes |\n| Terms restrict benchmarking | yes | not found in the text |\n| Terms or service can change without notice | not found in the text | yes |\n| Arbitration or class-action waiver | yes | yes |\n\n## How the scores have moved\n\n### Claude Mythos 5.2\n\nNo score change since it was listed.\n\n### Simplismart\n\n- -0.2 on 30 October 2026: checklist\n\n## Verdicts\n\n**Claude Mythos 5.2.** Fable 5.2 without Fable's stronger cyber and biology safeguards, for verified security and life-science teams, on the same mature API at $8 and $40 per million tokens. Most agents can't use it, since access depends on Anthropic approving the organisation, and it requires 30-day retention.\n\n**Simplismart.** Simplismart exposes open models through an OpenAI-compatible endpoint with public per-token prices and expiring, revocable keys. Its public docs give no request rate limits, status page, retry guidance, tool-calling or structured-output reference, and its terms and privacy policy cover the website, not API data.\n\n## Before you call either\n\n### Claude Mythos 5.2\n\n1. Confirm your organisation is verified before routing work here; otherwise use claude-fable-5-2\n2. Call https://api.anthropic.com/v1/messages with model claude-mythos-5-2 and your key\n3. Steer thinking with the effort parameter (default high); don't send temperature, top_p or top_k\n4. Don't force a tool with tool_choice any or tool; describe the tool and let the model choose\n5. Thinking blocks from it are read only by Fable 5.2 and Mythos 5.2, so keep them out of other models' context\n6. Check data retention before sending regulated data, since 30 days is required\n\n### Simplismart\n\n1. Point an OpenAI-compatible client at https://api.simplismart.live with SIMPLISMART_API_KEY as a Bearer token, and take model ids from the marketplace or the per-model API pages.\n2. Set a key expiry and rotate before midnight UTC on the expiry date, because an expired key returns 401.\n3. Cap retries yourself with exponential backoff, because no rate limits, 429 format or retry guidance are published.\n4. Check that a model supports tools or JSON output with a test call before relying on it, because neither is documented.\n5. Confirm the per-token price of the exact model in the console before running large jobs, because the public price list is incomplete.\n\n## Questions\n\n### Which is better for AI agents, Claude Mythos 5.2 or Simplismart?\n\nClaude Mythos 5.2 scores 76.1 (BB) on agent readiness against Simplismart's 29.5 (F), and leads in 6 of 7 scored categories. Simplismart leads on payments \u0026 pricing.\n\n### Do Claude Mythos 5.2 and Simplismart need an API key?\n\nBoth need an API key.\n\n### Can an agent call Claude Mythos 5.2 and Simplismart without installing anything?\n\nYes. Claude Mythos 5.2 has a hosted endpoint at https://api.anthropic.com/v1 and Simplismart at https://api.simplismart.live.\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-simplismart.json, and with the fewest tokens: https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-simplismart.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"claude-mythos-5-2\", \"b\": \"simplismart\"}`. From a terminal: `anchor compare claude-mythos-5-2 simplismart`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/claude-mythos-5-2.json and https://www.anchorterminal.com/api/v1/tools/simplismart.json\n\n## Other comparisons with Claude Mythos 5.2 or Simplismart\n\n- [Amazon Bedrock vs Claude Mythos 5.2](https://www.anchorterminal.com/compare/amazon-bedrock-vs-claude-mythos-5-2.md)\n- [Amazon Bedrock vs Simplismart](https://www.anchorterminal.com/compare/amazon-bedrock-vs-simplismart.md)\n- [Claude API vs Claude Mythos 5.2](https://www.anchorterminal.com/compare/anthropic-api-vs-claude-mythos-5-2.md)\n- [Claude API vs Simplismart](https://www.anchorterminal.com/compare/anthropic-api-vs-simplismart.md)\n- [Antseed vs Claude Mythos 5.2](https://www.anchorterminal.com/compare/antseed-vs-claude-mythos-5-2.md)\n- [Antseed vs Simplismart](https://www.anchorterminal.com/compare/antseed-vs-simplismart.md)\n- [Azure OpenAI in Foundry Models vs Claude Mythos 5.2](https://www.anchorterminal.com/compare/azure-openai-vs-claude-mythos-5-2.md)\n- [Azure OpenAI in Foundry Models vs Simplismart](https://www.anchorterminal.com/compare/azure-openai-vs-simplismart.md)\n- [BlockRun.AI vs Claude Mythos 5.2](https://www.anchorterminal.com/compare/blockrun-ai-vs-claude-mythos-5-2.md)\n- [BlockRun.AI vs Simplismart](https://www.anchorterminal.com/compare/blockrun-ai-vs-simplismart.md)\n- [Cerebras Inference vs Claude Mythos 5.2](https://www.anchorterminal.com/compare/cerebras-inference-vs-claude-mythos-5-2.md)\n- [Cerebras Inference vs Simplismart](https://www.anchorterminal.com/compare/cerebras-inference-vs-simplismart.md)\n- [Claude Fable 5.2 vs Claude Mythos 5.2](https://www.anchorterminal.com/compare/claude-fable-5-2-vs-claude-mythos-5-2.md)\n- [Claude Fable 5.2 vs Simplismart](https://www.anchorterminal.com/compare/claude-fable-5-2-vs-simplismart.md)\n- [Claude Mythos 5.2 vs Cloudflare AI Gateway](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-cloudflare-ai-gateway.md)\n- [Claude Mythos 5.2 vs Cloudflare Workers AI](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-cloudflare-workers-ai.md)\n- [Claude Mythos 5.2 vs Cohere Chat API (Command models)](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-cohere-chat.md)\n- [Claude Mythos 5.2 vs DeepInfra](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-deepinfra.md)\n- [Claude Mythos 5.2 vs DeepSeek API](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-deepseek-api.md)\n- [Claude Mythos 5.2 vs Eden AI](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-eden-ai.md)\n- [Claude Mythos 5.2 vs Glimpse](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-elorian-glimpse.md)\n- [Claude Mythos 5.2 vs Fireworks AI Inference](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-fireworks-inference.md)\n- [Claude Mythos 5.2 vs Gemini Developer API](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-gemini-api.md)\n- [Claude Mythos 5.2 vs GroqCloud](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-groq.md)\n- [Claude Mythos 5.2 vs Hugging Face Inference Providers](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-hugging-face-inference-providers.md)\n- [Claude Mythos 5.2 vs Inkling 2 Small](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-inkling-2-small.md)\n- [Claude Mythos 5.2 vs Jais 3](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-jais-3.md)\n- [Claude Mythos 5.2 vs Meta Model API](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-meta-model-api.md)\n- [Claude Mythos 5.2 vs MiniMax API](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-minimax-api.md)\n- [Claude Mythos 5.2 vs Mistral AI API](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-mistral-api.md)\n- [Claude Mythos 5.2 vs Muse Ember](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-muse-ember.md)\n- [Claude Mythos 5.2 vs Muse Spark Open](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-muse-spark-open.md)\n- [Claude Mythos 5.2 vs Nemotron 3.5 Super VL](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-nemotron-3-5-super-vl.md)\n- [Claude Mythos 5.2 vs Novita AI](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-novita-ai.md)\n- [Claude Mythos 5.2 vs OpenAI API](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-openai-api.md)\n- [Claude Mythos 5.2 vs OpenRouter](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-openrouter.md)\n- [Claude Mythos 5.2 vs Prism Inference](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-prism-inference.md)\n- [Claude Mythos 5.2 vs Router.com (Ramp Router)](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-ramp-router.md)\n- [Claude Mythos 5.2 vs Beam 1.0](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-reflection-beam.md)\n- [Claude Mythos 5.2 vs RouterPlus](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-routerplus.md)\n- [Claude Mythos 5.2 vs SambaCloud](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-sambanova.md)\n- [Claude Mythos 5.2 vs SiliconFlow](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-siliconflow.md)\n- [Claude Mythos 5.2 vs StepFun API](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-stepfun-api.md)\n- [Claude Mythos 5.2 vs SWE-2 Flash](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-swe-2-flash.md)\n- [Claude Mythos 5.2 vs Tencent Cloud TokenHub](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-tencent-tokenhub.md)\n- [Claude Mythos 5.2 vs Together AI Inference](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-together-inference.md)\n- [Claude Mythos 5.2 vs Vercel AI Gateway](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-vercel-ai-gateway.md)\n- [Claude Mythos 5.2 vs Vertex AI (Gemini Enterprise Agent Platform)](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-vertex-ai.md)\n- [Claude Mythos 5.2 vs xAI API (Grok)](https://www.anchorterminal.com/compare/claude-mythos-5-2-vs-xai-api.md)\n- [Cloudflare AI Gateway vs Simplismart](https://www.anchorterminal.com/compare/cloudflare-ai-gateway-vs-simplismart.md)\n- [Cloudflare Workers AI vs Simplismart](https://www.anchorterminal.com/compare/cloudflare-workers-ai-vs-simplismart.md)\n- [Cohere Chat API (Command models) vs Simplismart](https://www.anchorterminal.com/compare/cohere-chat-vs-simplismart.md)\n- [DeepInfra vs Simplismart](https://www.anchorterminal.com/compare/deepinfra-vs-simplismart.md)\n- [DeepSeek API vs Simplismart](https://www.anchorterminal.com/compare/deepseek-api-vs-simplismart.md)\n- [Eden AI vs Simplismart](https://www.anchorterminal.com/compare/eden-ai-vs-simplismart.md)\n- [Glimpse vs Simplismart](https://www.anchorterminal.com/compare/elorian-glimpse-vs-simplismart.md)\n- [Fireworks AI Inference vs Simplismart](https://www.anchorterminal.com/compare/fireworks-inference-vs-simplismart.md)\n- [Gemini Developer API vs Simplismart](https://www.anchorterminal.com/compare/gemini-api-vs-simplismart.md)\n- [GroqCloud vs Simplismart](https://www.anchorterminal.com/compare/groq-vs-simplismart.md)\n- [Hugging Face Inference Providers vs Simplismart](https://www.anchorterminal.com/compare/hugging-face-inference-providers-vs-simplismart.md)\n- [Inkling 2 Small vs Simplismart](https://www.anchorterminal.com/compare/inkling-2-small-vs-simplismart.md)\n- [Jais 3 vs Simplismart](https://www.anchorterminal.com/compare/jais-3-vs-simplismart.md)\n- [Meta Model API vs Simplismart](https://www.anchorterminal.com/compare/meta-model-api-vs-simplismart.md)\n- [MiniMax API vs Simplismart](https://www.anchorterminal.com/compare/minimax-api-vs-simplismart.md)\n- [Mistral AI API vs Simplismart](https://www.anchorterminal.com/compare/mistral-api-vs-simplismart.md)\n- [Muse Ember vs Simplismart](https://www.anchorterminal.com/compare/muse-ember-vs-simplismart.md)\n- [Muse Spark Open vs Simplismart](https://www.anchorterminal.com/compare/muse-spark-open-vs-simplismart.md)\n- [Novita AI vs Simplismart](https://www.anchorterminal.com/compare/novita-ai-vs-simplismart.md)\n- [OpenAI API vs Simplismart](https://www.anchorterminal.com/compare/openai-api-vs-simplismart.md)\n- [OpenRouter vs Simplismart](https://www.anchorterminal.com/compare/openrouter-vs-simplismart.md)\n- [Prism Inference vs Simplismart](https://www.anchorterminal.com/compare/prism-inference-vs-simplismart.md)\n- [Router.com (Ramp Router) vs Simplismart](https://www.anchorterminal.com/compare/ramp-router-vs-simplismart.md)\n- [Beam 1.0 vs Simplismart](https://www.anchorterminal.com/compare/reflection-beam-vs-simplismart.md)\n- [RouterPlus vs Simplismart](https://www.anchorterminal.com/compare/routerplus-vs-simplismart.md)\n- [SambaCloud vs Simplismart](https://www.anchorterminal.com/compare/sambanova-vs-simplismart.md)\n- [SiliconFlow vs Simplismart](https://www.anchorterminal.com/compare/siliconflow-vs-simplismart.md)\n- [Simplismart vs StepFun API](https://www.anchorterminal.com/compare/simplismart-vs-stepfun-api.md)\n- [Simplismart vs SWE-2 Flash](https://www.anchorterminal.com/compare/simplismart-vs-swe-2-flash.md)\n- [Simplismart vs Tencent Cloud TokenHub](https://www.anchorterminal.com/compare/simplismart-vs-tencent-tokenhub.md)\n- [Simplismart vs Together AI Inference](https://www.anchorterminal.com/compare/simplismart-vs-together-inference.md)\n- [Simplismart vs Vercel AI Gateway](https://www.anchorterminal.com/compare/simplismart-vs-vercel-ai-gateway.md)\n- [Simplismart vs Vertex AI (Gemini Enterprise Agent Platform)](https://www.anchorterminal.com/compare/simplismart-vs-vertex-ai.md)\n- [Simplismart vs xAI API (Grok)](https://www.anchorterminal.com/compare/simplismart-vs-xai-api.md)\n- [Nemotron 3.5 Super VL vs Simplismart](https://www.anchorterminal.com/compare/nemotron-3-5-super-vl-vs-simplismart.md)\n\n## Disclosure\n\n- Anthropic makes the models this research run and the review panel run on. This listing was graded by an agent running on Claude, by the same published checklist as every other listing, from Anthropic's own pages and the Claude API listing's platform readings, with every judgement call written in the note. The panel reviews Anthropic's listings at our founder's request, and every review carries a conflict label, because every reviewer and the arbiter run on Claude.\n",
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