{
  "data": {
    "a": {
      "slug": "prism-inference",
      "name": "Prism Inference",
      "vendor": "Prism Technologies Inc",
      "vendorUrl": "https://prisminference.com",
      "kind": "model",
      "category": "inference",
      "summary": "Prism is a hosted inference API from Prism Technologies Inc for open-weight models, aimed at coding agents. It accepts OpenAI Chat Completions, OpenAI Responses and Anthropic Messages requests at api.prisminference.com. It launched on 24 September 2026.",
      "url": "https://www.anchorterminal.com/tools/prism-inference",
      "markdownUrl": "https://www.anchorterminal.com/tools/prism-inference.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/prism-inference.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/prism-inference.json",
      "dns": "prism-inference.grade.anchorterminal.com",
      "repo": "https://github.com/prismhq/hermes-prism-provider",
      "license": "Proprietary service under Prism's terms of service. The OpenAPI file declares `LicenseRef-Proprietary`. The Hermes provider plugin repository carries no licence file",
      "transports": [
        "http"
      ],
      "remoteUrl": "https://api.prisminference.com/v1",
      "packages": [],
      "auth": "api-key",
      "authNotes": "`Authorization: Bearer` with a key the workspace owner creates in the Prism dashboard. The inference endpoints also accept the key in `x-api-key`. A missing, invalid, expired or revoked key returns 401. No key scopes were found in the reviewed documentation. prisminference.com/signup redirects to the login page, and the docs send new users to a sales call for access. The agent sign-up endpoints (`POST /api/agent-signups` and `/verify`) are closed and return `403 signup_disabled` per the docs. `GET /v1/models` needs no key.",
      "pricing": "usage",
      "pricingNotes": "Prepaid per-token pricing with no minimum. DeepSeek-V4.1-Flash is $0.09 in, $1.20 out and $0.03 cache read per million tokens, and Gemma 4 31B is $0.30, $0.40 and $0.15 (https://prisminference.com/pricing, read 2026-11-04). No free tier or trial credit was found. A person funds the workspace in a browser, and new access goes through the workspace owner or a sales call. Elastic endpoints, dedicated deployments and batch are sold through sales with no published price.",
      "priceSummary": "from $0.09 / 1M in",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402, MPP or L402 in llms.txt, the docs index, the OpenAPI file or the pricing page, read 2026-10-08. The docs describe prepaid credit funded by a person in the browser.",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": null,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-10-08"
      },
      "docsUrl": "https://docs.prisminference.com",
      "rateLimitsUrl": "https://docs.prisminference.com/rate-limits",
      "llmsTxt": "https://prisminference.com/llms.txt",
      "openapi": "https://docs.prisminference.com/openapi.yaml",
      "capabilities": [
        "inference.fast",
        "inference.open-weights",
        "inference.llm"
      ],
      "tags": [
        "hosted",
        "model",
        "open-weights",
        "fast",
        "usage-priced",
        "prepaid",
        "openapi",
        "llms-txt",
        "openai-compatible",
        "anthropic-compatible",
        "zero-retention",
        "status-page",
        "new"
      ],
      "lastRelease": "2026-10-06",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 59.6,
        "grade": "C",
        "agentReady": false,
        "rank": 691,
        "ranked": true,
        "rankOf": 1510,
        "categoryRank": 23,
        "methodology": "0.7",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 68,
          "maintenance": 49,
          "payments": 20,
          "reliability": 65,
          "schema": 82,
          "security": 68,
          "transparency": 63
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-11-04"
        },
        "negative": -2,
        "negativeNotes": [
          "2026-10-08, re-read 2026-11-04. The home page shows a '99.99% Uptime SLA' tile. The terms of 9 September 2026 say the services have no guaranteed uptime or service credit unless a separate written agreement says otherwise, and no SLA document was found. The pricing page's 'no rate limits' line of 8 October is gone. A misleading claim, with the smallest deduction because the terms state the real position (-2) (https://prisminference.com/, https://prisminference.com/terms)."
        ],
        "verdict": "Three wire formats, a public OpenAPI 3.1 file, per-token prices without a login and zero data retention by default on every tier. The service launched on 24 September 2026 with two models, one by request. Agent self-signup has closed and new access goes through a sales call, and no rate-limit numbers, SLA document or deprecation policy was found.",
        "bestFor": "Coding agents that want DeepSeek-V4.1-Flash at a low input price, with no retention, through whichever of the three wire formats the harness already speaks.",
        "strengths": [
          "One key works across OpenAI Chat Completions, OpenAI Responses and Anthropic Messages, with a public OpenAPI 3.1 file, llms.txt and Markdown docs",
          "Zero data retention is the default on every tier, and the privacy policy, terms and docs all say inputs and outputs are never used for training",
          "Every error carries a stable `code`, a `retryable` flag, a `fix` hint and a `docs_url`, and 429 carries `Retry-After` in seconds",
          "The docs say `GET /v1/models` answers without a key and returns the public model catalogue",
          "DeepSeek-V4.1-Flash is listed with a 1M-token context and 384,000 output tokens at $0.09 in and $1.20 out per million"
        ],
        "weaknesses": [
          "Two models. The docs mark Gemma 4 31B as request access per organisation, while llms.txt lists it as available",
          "No rate-limit numbers are published. The docs say per-key limits exist and return 429",
          "The home page shows a '99.99% Uptime SLA' tile, while the terms say there is no guaranteed uptime without a separate written agreement",
          "No free tier or self-serve sign-up. The sign-up page redirects to login, agent sign-up returns 403, and the docs point new users to sales",
          "The service launched on 24 September 2026. The changelog has one entry, and no deprecation policy, sub-processor list or certification was found"
        ],
        "agentNotes": [
          "Call `GET https://api.prisminference.com/v1/models` at start-up, with no key per the docs, and use only ids it returns. Expect 403 on `gemma-4-31b` without organisation access",
          "Use base URL `https://api.prisminference.com/v1` for OpenAI clients and `https://api.prisminference.com` with no `/v1` for Anthropic clients",
          "Read `error.retryable` before retrying, and wait for `Retry-After` on 429, which covers both key limits and model capacity",
          "Send `reasoning_effort: \"none\"` or `low` when latency matters. Reasoning is on by default and its tokens are billed as output",
          "Keep conversation state yourself and send `store: false` on Responses. `previous_response_id`, stored responses and hosted tools aren't supported",
          "Ask the workspace owner for `PRISM_API_KEY`. The agent sign-up endpoints now return `403 signup_disabled`"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 4,
        "avgRating": 3.5,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "C",
            "methodology": "0.7",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 59.6
          }
        ],
        "editorialScores": {
          "ergonomics": 68,
          "maintenance": 49,
          "payments": 20,
          "reliability": 65,
          "schema": 82,
          "security": 68,
          "transparency": 43
        },
        "provenanceScore": 82,
        "checked": {
          "categories": {
            "ergonomics": "2026-11-04",
            "maintenance": "2026-11-04",
            "payments": "2026-11-04",
            "reliability": "2026-11-04",
            "schema": "2026-11-04",
            "security": "2026-11-04",
            "transparency": "2026-11-04"
          },
          "last": "2026-11-04",
          "lastMoved": "2026-11-04",
          "oldest": "2026-11-04",
          "stale": false,
          "staleAfterDays": 90
        }
      },
      "connect": {
        "install": "pip install openai   # or: npm install openai, base URL https://api.prisminference.com/v1. Anthropic SDKs use https://api.prisminference.com with no /v1",
        "http": "curl \"https://api.prisminference.com/v1/chat/completions\" \\\n  -H \"Authorization: Bearer $PRISM_API_KEY\" \\\n  -H \"Content-Type: application/json\" \\\n  -d '{\"model\":\"deepseek-v4.1-flash\",\"messages\":[{\"role\":\"user\",\"content\":\"Return pong.\"}]}'",
        "claudeCode": "export ANTHROPIC_BASE_URL=https://api.prisminference.com\nexport ANTHROPIC_AUTH_TOKEN=$PRISM_API_KEY\nexport ANTHROPIC_MODEL=deepseek-v4.1-flash\nexport ANTHROPIC_SMALL_FAST_MODEL=gemma-4-31b"
      },
      "letme": {
        "capability": "https://letme.dev/inference.fast",
        "tool": "https://letme.dev/prism-inference"
      },
      "area": "models",
      "provenance": {
        "legalEntity": "Prism Technologies Inc",
        "domain": "prisminference.com",
        "domainRegistered": "2026-09-09",
        "endpointOnVendorDomain": true,
        "terms": "https://prisminference.com/terms",
        "privacy": "https://prisminference.com/privacy",
        "statusPage": "https://status.prisminference.com",
        "changelog": "https://docs.prisminference.com/changelog",
        "securityTxt": "valid",
        "checked": "2026-10-08",
        "notes": [
          "The terms and the privacy policy, both last updated 9 September 2026, name Prism Technologies Inc. The terms are governed by California law with arbitration in San Francisco.",
          "RDAP gives a registration date of 2026-09-09 for prisminference.com, with Name.com as registrar.",
          "security.txt has a Contact line (founders@prisminference.com), an Expires date of 2027-10-06 and a Canonical line. No disclosure policy or bug bounty is named.",
          "The status page runs on incident.io with one component for each model and no component for the API or the website. Its incidents feed was empty on 8 October 2026.",
          "The YC directory lists Prism in the Spring 2025 batch, in San Francisco, with a team of 2. The home page links an X account named prism_videos, from the company's earlier video product."
        ],
        "score": 82
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/prism-inference.json",
      "live": {
        "slug": "prism-inference",
        "probe": {
          "target": "https://api.prisminference.com/v1",
          "method": "get",
          "lastAt": "2026-11-07T19:22:27.758093075Z",
          "lastOk": true,
          "lastStatus": 200,
          "lastMs": 108,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 99.99,
          "p50ms24h": 107,
          "p95ms24h": 194,
          "samples24h": 238,
          "samples30d": 7473,
          "days": [
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              "date": "2026-10-08",
              "probes": 93,
              "ok": 93
            },
            {
              "date": "2026-10-09",
              "probes": 250,
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            {
              "date": "2026-10-10",
              "probes": 247,
              "ok": 247
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            {
              "date": "2026-10-11",
              "probes": 247,
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            {
              "date": "2026-10-12",
              "probes": 247,
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              "date": "2026-10-13",
              "probes": 248,
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              "date": "2026-10-14",
              "probes": 249,
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              "date": "2026-10-15",
              "probes": 253,
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              "date": "2026-10-16",
              "probes": 252,
              "ok": 252
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            {
              "date": "2026-10-17",
              "probes": 253,
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            {
              "date": "2026-10-18",
              "probes": 256,
              "ok": 256
            },
            {
              "date": "2026-10-19",
              "probes": 255,
              "ok": 255
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            {
              "date": "2026-10-20",
              "probes": 252,
              "ok": 252
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            {
              "date": "2026-10-21",
              "probes": 253,
              "ok": 253
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            {
              "date": "2026-10-22",
              "probes": 253,
              "ok": 253
            },
            {
              "date": "2026-10-23",
              "probes": 248,
              "ok": 248
            },
            {
              "date": "2026-10-24",
              "probes": 251,
              "ok": 251
            },
            {
              "date": "2026-10-25",
              "probes": 250,
              "ok": 250
            },
            {
              "date": "2026-10-26",
              "probes": 252,
              "ok": 252
            },
            {
              "date": "2026-10-27",
              "probes": 249,
              "ok": 249
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            {
              "date": "2026-10-28",
              "probes": 250,
              "ok": 250
            },
            {
              "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": 197,
              "ok": 197
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.prisminference.com",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-11-07T19:23:25.129259046Z"
        },
        "versions": [
          {
            "registry": "github",
            "name": "prismhq/hermes-prism-provider",
            "version": "v1.0.2",
            "released": "2026-09-16",
            "seenAt": "2026-11-06T23:58:15.073327446Z"
          }
        ],
        "githubStars": 0,
        "securityTxt": {
          "url": "https://prisminference.com/.well-known/security.txt",
          "state": "valid",
          "expires": "2027-10-06T00:00:00.000Z",
          "checkedAt": "2026-11-07T16:00:33.418983251Z"
        },
        "llmsTxt": {
          "url": "https://prisminference.com/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-11-07T15:33:41.189866269Z"
        },
        "domain": {
          "domain": "prisminference.com",
          "registered": "2026-09-09",
          "source": "https://rdap.verisign.com/com/v1/domain/prisminference.com",
          "checkedAt": "2026-11-01T14:22:11.330283307Z"
        },
        "pages": [
          {
            "url": "https://docs.prisminference.com/changelog",
            "kind": "changelog",
            "status": 200,
            "checkedAt": "2026-11-07T14:07:36.489415322Z",
            "changedAt": "2026-10-26T03:15:15.804661949Z",
            "fingerprint": "f0b4b681ff56"
          },
          {
            "url": "https://prisminference.com/pricing",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-11-07T14:17:21.716876068Z",
            "changedAt": "2026-10-16T22:29:18.379964038Z",
            "fingerprint": "ec3ab0c7070a"
          },
          {
            "url": "https://prisminference.com/privacy",
            "kind": "privacy",
            "status": 200,
            "checkedAt": "2026-11-07T14:17:23.938443611Z",
            "changedAt": "2026-10-14T20:47:07.337685557Z",
            "fingerprint": "de012b748be4"
          },
          {
            "url": "https://prisminference.com/terms",
            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-11-07T14:17:26.094600006Z",
            "changedAt": "2026-10-14T20:47:09.225430886Z",
            "fingerprint": "ad1d4e80a6ba"
          }
        ],
        "github": {
          "repo": "prismhq/hermes-prism-provider",
          "checkedAt": "2026-11-02T09:18:36.065721455Z",
          "stars": 0,
          "archived": false,
          "issuesEnabled": true,
          "pushedAt": "2026-09-16T00:55:53Z",
          "openIssues": 0,
          "openPRs": 0,
          "issuesOpened90d": 0,
          "issuesClosed90d": 0,
          "prsMerged90d": 0
        },
        "updatedAt": "2026-11-07T19:23:25.129259046Z"
      }
    },
    "answer": "xAI API (Grok) scores 71.7 (BB) on agent readiness against Prism Inference's 59.6 (C), and leads in 4 of 7 scored categories. Prism Inference leads on reliability.",
    "b": {
      "slug": "xai-api",
      "name": "xAI API (Grok)",
      "vendor": "SpaceXSI (xAI)",
      "vendorUrl": "https://x.ai",
      "kind": "model",
      "category": "inference",
      "summary": "xAI's API for its Grok models (the docs now name the company SpaceXSI), with text, image, video and voice endpoints, server-side search and remote MCP tools, through an OpenAI-compatible REST API or gRPC.",
      "url": "https://www.anchorterminal.com/tools/xai-api",
      "markdownUrl": "https://www.anchorterminal.com/tools/xai-api.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/xai-api.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/xai-api.json",
      "dns": "xai-api.grade.anchorterminal.com",
      "repo": "https://github.com/xai-org/xai-sdk-python",
      "license": "Proprietary service under xAI's enterprise terms of service. The Python SDK is Apache-2.0",
      "transports": [
        "http"
      ],
      "remoteUrl": "https://api.x.ai/v1",
      "packages": [
        {
          "registry": "pypi",
          "name": "xai-sdk"
        }
      ],
      "auth": "api-key",
      "authNotes": "`Authorization: Bearer` with a team API key from console.x.ai. Keys can be limited to endpoints and models by ACL, capped by QPM and TPM, given an expiry, and rotated or disabled through the Management API. mTLS is documented as an option, and GitHub secret scanning disables leaked keys.",
      "pricing": "usage",
      "pricingNotes": "Prepaid credits, then the default payment method at month end. Grok 4.7 costs $2 input, $0.50 cached input and $6 output per 1M tokens below 200K prompt tokens, and $4/$1/$12 above, applied to the whole request. Batch is 20% off on grok-4.7, 4.6, 4.5, 4.3 and the grok-4.20 models. Priority processing 2x, the US regional endpoint 1.1x. Web search, code execution and attachment search $5 per 1,000 calls, collections search $2.50, X search $5 per 1,000 posts. $0.05 fee for a request blocked before generation for a usage-policy violation (https://docs.x.ai/developers/pricing, checked 2026-11-06).",
      "priceSummary": "from $1.25 / 1M in",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402, MPP or L402 in the docs, llms.txt or the OpenAPI spec. Access needs a console account loaded with prepaid credits (checked 2026-11-06).",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": 597,
        "npmWeekly": null,
        "pypiWeekly": 912149,
        "asOf": "2026-11-06"
      },
      "docsUrl": "https://docs.x.ai",
      "rateLimitsUrl": "https://docs.x.ai/developers/rate-limits",
      "llmsTxt": "https://docs.x.ai/llms.txt",
      "openapi": "https://docs.x.ai/openapi.json",
      "capabilities": [
        "inference.llm"
      ],
      "tags": [
        "official",
        "hosted",
        "model",
        "prepaid",
        "openapi",
        "llms-txt",
        "openai-compatible",
        "closed-source",
        "python",
        "batch",
        "status-page",
        "bug-bounty",
        "soc2"
      ],
      "lastRelease": "2026-11-02",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 71.7,
        "grade": "BB",
        "agentReady": true,
        "rank": 152,
        "ranked": true,
        "rankOf": 1510,
        "categoryRank": 8,
        "methodology": "0.7",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 90,
          "maintenance": 77,
          "payments": 20,
          "reliability": 55,
          "schema": 88,
          "security": 97,
          "transparency": 63
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-11-06"
        },
        "negative": 0,
        "verdict": "Grok 4.7 at $2/$6 per million tokens, now 20% off in batch, with a public OpenAPI spec, llms.txt, API keys limited by endpoint and model, and self-serve zero data retention. The API endpoints had a 3 hour 40 minute models outage on 3 September 2026, no SLA was found, and there's no free tier or first-party SDK beyond Python.",
        "bestFor": "Agents that want a capable model at a low per-token price with built-in web and X search, remote MCP and voice, and teams that need self-serve ZDR or US-only processing.",
        "strengths": [
          "Grok 4.7 at $2/$6 per million tokens below 200K prompt tokens, with a 500K context and 20% off through the Batch API",
          "API keys restricted by endpoint and model ACLs, with QPM and TPM caps, expiry and a rotate endpoint",
          "Self-serve team-wide zero data retention, confirmed on every response by an `x-zero-data-retention` header",
          "OpenAPI 3.1 spec, llms.txt and a Markdown twin of every docs page",
          "security.txt valid to 2027-06-29 and a HackerOne bug bounty"
        ],
        "weaknesses": [
          "API models outage of about 3 hours 40 minutes on 3 September 2026, and high error rates on grok-4.6 and grok-4.5 on 17 August",
          "No SLA, no free tier for the text API, and no Retry-After header documented for 429s",
          "No stated minimum notice for retirements, and retired slugs are served by a different model at its price",
          "Remote MCP doesn't support `require_approval`, so server-side tool calls run without an approval step",
          "The terms, privacy policy and DPA at x.ai/legal answered a Cloudflare block on 6 October and 6 November 2026, so they weren't read"
        ],
        "agentNotes": [
          "Build on the Responses API at https://api.x.ai/v1. Chat Completions is labelled deprecated and the Anthropic-compatible endpoint fully deprecated",
          "Pin a dated model slug. A retired slug keeps answering from a replacement model, billed at the replacement's price",
          "Back off exponentially on 429. The per-second cap is the per-minute budget divided by 48, with a minimum of 2",
          "Set `allowed_tools` on remote MCP servers. There's no approval step, and every exposed tool enters the context",
          "Use https://us.api.x.ai/v1 when processing must stay in the US. It costs 1.1x and serves only grok-4.7 and grok-4.6"
        ],
        "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": 71.7
          }
        ],
        "editorialScores": {
          "ergonomics": 90,
          "maintenance": 77,
          "payments": 20,
          "reliability": 55,
          "schema": 88,
          "security": 97,
          "transparency": 52
        },
        "provenanceScore": 73,
        "checked": {
          "categories": {
            "ergonomics": "2026-11-06",
            "maintenance": "2026-11-06",
            "payments": "2026-11-06",
            "reliability": "2026-11-06",
            "schema": "2026-11-06",
            "security": "2026-11-06",
            "transparency": "2026-11-06"
          },
          "last": "2026-11-06",
          "oldest": "2026-11-06",
          "stale": false,
          "staleAfterDays": 90
        }
      },
      "connect": {
        "install": "pip install xai-sdk   # or: pip install openai, with base_url https://api.x.ai/v1",
        "http": "curl https://api.x.ai/v1/responses \\\n  -H \"Authorization: Bearer $XAI_API_KEY\" -H \"Content-Type: application/json\" \\\n  -d '{\"model\":\"grok-4.7\",\"input\":\"What is the meaning of life?\"}'"
      },
      "letme": {
        "capability": "https://letme.dev/inference.llm",
        "tool": "https://letme.dev/xai-api"
      },
      "area": "models",
      "unitPrices": [
        {
          "item": "Web search tool",
          "unit": "1k-requests",
          "usd": 5
        },
        {
          "item": "Code execution tool",
          "unit": "1k-requests",
          "usd": 5
        },
        {
          "item": "Collections search tool",
          "unit": "1k-requests",
          "usd": 2.5
        }
      ],
      "provenance": {
        "legalEntity": "",
        "domain": "x.ai",
        "domainRegistered": "2017-12-16",
        "domainNote": "x.ai was registered in 2017, before the company, and transferred on 2026-06-02 per RDAP. Every x.ai page except robots.txt and security.txt answered a Cloudflare block page (403) on 2026-11-06, as the legal pages did on 2026-10-06, so the contracting entity wasn't confirmed. The docs now use the name SpaceXSI and the status page SpaceXAI.",
        "endpointOnVendorDomain": true,
        "terms": "https://x.ai/legal/terms-of-service-enterprise",
        "privacy": "https://x.ai/legal/privacy-policy",
        "statusPage": "https://status.x.ai",
        "changelog": "https://docs.x.ai/developers/release-notes",
        "securityTxt": "valid",
        "checked": "2026-11-06",
        "notes": [
          "x.ai/robots.txt allows all but /tools/, with Content-Signal ai-train=yes, search=yes, ai-input=yes. docs.x.ai allows all with ai-input=yes. The x.ai pages that robots.txt allows answered a Cloudflare 'Attention Required' page, which we did not try to get past.",
          "security.txt at x.ai/.well-known/security.txt is valid to 2027-06-29, with vulnerabilities@x.ai and abuse@x.ai."
        ],
        "score": 73
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/xai-api.json",
      "live": {
        "slug": "xai-api",
        "probe": {
          "target": "https://api.x.ai/v1",
          "method": "get",
          "lastAt": "2026-11-07T19:22:45.426736159Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 193,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 178,
          "p95ms24h": 276,
          "samples24h": 210,
          "samples30d": 210,
          "days": [
            {
              "date": "2026-11-06",
              "probes": 13,
              "ok": 13
            },
            {
              "date": "2026-11-07",
              "probes": 197,
              "ok": 197
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.x.ai",
          "indicator": "unknown",
          "summary": "no machine-readable status found",
          "checkedAt": "2026-11-07T04:49:01.143662157Z"
        },
        "versions": [
          {
            "registry": "github",
            "name": "xai-org/xai-sdk-python",
            "version": "v1.21.0",
            "released": "2026-10-23",
            "seenAt": "2026-11-07T00:18:15.193708838Z"
          },
          {
            "registry": "pypi",
            "name": "xai-sdk",
            "version": "1.21.0",
            "released": "2026-10-23",
            "seenAt": "2026-11-07T00:18:15.09038487Z"
          }
        ],
        "githubStars": 598,
        "pypiWeekly": 912149,
        "securityTxt": {
          "url": "https://x.ai/.well-known/security.txt",
          "state": "valid",
          "expires": "2027-06-29T00:00:00.000Z",
          "checkedAt": "2026-11-07T16:01:43.978620532Z"
        },
        "llmsTxt": {
          "url": "https://docs.x.ai/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-11-07T15:34:24.762831371Z"
        },
        "pages": [
          {
            "url": "https://docs.x.ai/developers/migration/imagine-image-quality-nov-2",
            "kind": "deprecations",
            "status": 200,
            "checkedAt": "2026-11-07T14:08:46.034096807Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "1238569c8142"
          },
          {
            "url": "https://docs.x.ai/developers/migration/may-15-retirement",
            "kind": "deprecations",
            "status": 200,
            "checkedAt": "2026-11-07T14:08:48.207542223Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "813d0e188a0e"
          },
          {
            "url": "https://docs.x.ai/developers/release-notes",
            "kind": "deprecations",
            "status": 200,
            "checkedAt": "2026-11-07T14:08:52.143682141Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "7b37cfaf2576"
          },
          {
            "url": "https://docs.x.ai/developers/pricing",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-11-07T14:08:50.158330981Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "a563de9617fe"
          },
          {
            "url": "https://x.ai/legal/privacy-policy",
            "kind": "privacy",
            "status": 403,
            "checkedAt": "2026-11-07T14:38:04.991061235Z",
            "changedAt": "0001-01-01T00:00:00Z"
          },
          {
            "url": "https://x.ai/legal/terms-of-service-enterprise",
            "kind": "terms",
            "status": 403,
            "checkedAt": "2026-11-07T14:38:09.200382604Z",
            "changedAt": "0001-01-01T00:00:00Z"
          }
        ],
        "updatedAt": "2026-11-07T19:22:45.426736159Z"
      }
    },
    "edges": [
      {
        "by": 29,
        "category": "security",
        "leads": "xai-api",
        "name": "Security \u0026 auth",
        "reasons": {
          "a": "Model reading. Bearer keys, also accepted in `x-api-key`, issued by the workspace owner from the dashboard, with 401 for revoked or expired keys. No scopes or per-key limits were found in the reviewed documentation (20 of 30). The privacy policy, the terms, the docs and the security policy all say inputs and outputs are never used to train, fine-tune or evaluate models (20). Zero data retention is the default on every tier with no setting to turn on (15). The docs mention usage in the dashboard, which we did not see, and no audit log was found (5 of 15). security.txt is valid until 6 October 2027 with a contact address, and a security policy dated 13 October 2026 asks for vulnerability reports by email to the founders' address. No bug bounty, SOC 2 or ISO 27001 was found. robotomail, with a valid security.txt and reports by email and nothing more, holds 7 (8 of 20). 20+20+15+5+8 = 68.",
          "b": "Model reading. Team API keys with ACLs per endpoint and per model, QPM and TPM caps, expiry, and create, rotate, disable and delete through the Management API, plus documented mTLS. GitHub secret scanning disables leaked keys and emails the owner (30). The security FAQ says SpaceXSI never trains on API inputs or outputs without explicit permission (20). Requests and responses are kept 30 days for abuse auditing, then deleted, and team admins can switch on zero data retention themselves, confirmed by an `x-zero-data-retention` header on every response (15). Console audit log and a Management API audit-events endpoint, plus optional per-key request logging (15). security.txt valid to 2027-06-29 with a HackerOne bug bounty and a separate safety contact for prompt-injection issues. SOC 2 Type 2 is claimed in the security FAQ with the reports behind an NDA in the trust centre, so 17 of 20. Remote MCP doesn't support `require_approval`, which the model checklist doesn't score but reviewers should see. New in October, a `guidelines` array lets the caller make the model decline nsfw, violence or profanity content, which the checklist doesn't score."
        },
        "scores": {
          "a": 68,
          "b": 97
        }
      },
      {
        "by": 28,
        "category": "maintenance",
        "leads": "xai-api",
        "name": "Maintenance \u0026 community",
        "reasons": {
          "a": "Model reading. Gemma 4 31B was added to the catalogue on 6 October 2026, 29 days before this check, and nothing newer is dated in the changelog or on the blog, whose newest post is of 9 September (30). No notice period is stated. The terms promise advance notice of a material breaking change 'when reasonably practicable', and no model has been retired (3 of 12). No model shutdowns since launch (8 of 8). A dated changelog with one entry, a Discord server and a support booking link, none of which we tested for replies (8 of 15). No SDK repository to sample. The Hermes provider plugin on GitHub still has three commits, all on 15 September 2026 (0 of 10). No official SDKs (0 of 15) and no packages to assess (0 of 10). 30+3+8+8+0 = 49.",
          "b": "Model reading. grok-imagine-image-quality and grok-imagine-image-pro retired on 2 November 2026 as announced in September, Grok Voice 3.0 and custom moderation controls in October, Grok 4.7 on 21 September (30). No minimum notice period found. Retirements come as dated migration guides, retired slugs redirect to a replacement rather than failing, billed at the replacement's price, and grok-voice-2.0 was deprecated in October with no end date (4 of 12). Shutdowns in the last 90 days with dates given in advance, `grok-voice-transcribe-1.0` on 2 October and `grok-imagine-image-quality` on 2 November (8 of 8). Release notes several times a month but dated only by month, support by email and a Discord #help channel, not tested. On xai-sdk-python a collaborator commented on 2 of the 16 most recent threads with replies, and most outside pull requests since 23 October are open without a maintainer reply (10 of 15, down from 12). The repository has CI, release and version-bump workflows (5 of 10). One current first-party SDK, `xai-sdk` 1.21.0 tagged on 23 October, Python only (10 of 15). Supported runtimes stated, Python 3.10 or later (10)."
        },
        "scores": {
          "a": 49,
          "b": 77
        }
      },
      {
        "by": 22,
        "category": "ergonomics",
        "leads": "xai-api",
        "name": "Agent ergonomics",
        "reasons": {
          "a": "Model reading of the checklist (tool use, structured output, caching, context, batch, SDKs, errors). OpenAI function tools, Anthropic tool-use blocks, `tool_choice` and `parallel_tool_calls` on Responses are documented (18 of 20). JSON mode and strict JSON Schema on Chat Completions, and `text.format` on Responses (15). A cache-read price is published for both models, $0.03 against $0.09 input on DeepSeek-V4.1-Flash on 4 November, but no page explains how caching is triggered, and the Claude Code guide says prompt-cache hints are accepted and ignored (5 of 15). 1M-token context and 384,000 output tokens on DeepSeek-V4.1-Flash, 32,768 on Gemma 4 31B (15). Batch appears on the pricing page as a sales-led tier with no API in the OpenAPI file (0). No SDK of its own. OpenAI and Anthropic clients are used with a base URL change (0). The errors page (8 October) and the rate-limits page (4 November) document `code`, `retryable`, `fix` and `docs_url` on every error (15). 18+15+5+15+0+0+15 = 68.",
          "b": "Model reading of the checklist (tool use, structured output, caching, context, batch, SDKs, errors). Function calling with parallel calls on by default and `tool_choice` of auto, required, none or a named function (20). Guaranteed structured outputs (15). Automatic prompt caching, cached input at 0.25x on grok-4.7 ($0.50 per million) and 0.16x on grok-4.3 (15). 500,000-token context on grok-4.7 and 1,000,000 on grok-4.3, 13 of 15 for the default model's 500K. The Batch API is now 20% off on grok-4.7, 4.6 and 4.5 as well as the older models, with batch requests outside the rate limits (10 of 10, up from 5 on 6 October). One first-party SDK, `xai-sdk` for Python, with the OpenAI SDKs and Vercel's AI SDK documented as alternatives (5 of 10). Status codes documented with fixes, no Retry-After header found (12 of 15)."
        },
        "scores": {
          "a": 68,
          "b": 90
        }
      },
      {
        "by": 10,
        "category": "reliability",
        "leads": "prism-inference",
        "name": "Reliability",
        "reasons": {
          "a": "Hosted reading. Status page at status.prisminference.com on incident.io with a component for each of the two models, per the 8 October check (20). The 8 October incident reading came only from the page's `/api/v2` incidents feed, a data endpoint this run doesn't use, so it is struck. On 4 November the status host's robots.txt answered a plain 404 (no rules), and the status page itself shows both models at 100 per cent uptime from 5 August to 3 November with \"No incidents\", data available only from 6 October 2026. The page has never posted an incident, and its record covers 29 days of the 90, so the short-record value applies, as for excaliclaw and serpkite (15). The rate-limits page says per-key limits exist and publishes no numbers, and a 4 MiB request cap was documented on 8 October (5). 429 carries `Retry-After` in seconds, errors carry a `retryable` flag, and the docs give bounded exponential backoff with jitter and rules for retrying interrupted streams (15). No published SLA. The terms of 9 September 2026 say the services have no guaranteed uptime or service credit without a separate written agreement, although the home page still shows a '99.99% Uptime SLA' tile (0). The serverless API isn't labelled beta or preview, though the OpenAPI file is at version 0.1.0 (10). 20+15+5+15+0+10 = 65.",
          "b": "Status page at status.x.ai with components for the global and US API endpoints, voice, the consumer apps and, since the Cursor merger, Cursor's services, with an RSS feed (20). The feed, read on 6 November, now holds 267 incidents back to 11 August, so the whole 90-day window is readable. On the API components there were high error rates on grok-4.6 and grok-4.5 from 21:57 to 23:28 UTC on 17 August (about 90 minutes) and a models outage on the global and US endpoints from 13:30 to 17:09 UTC on 3 September (about 3 hours 40 minutes), so several majors. A 26-minute datacenter outage across the API on 22 September, voice disruptions of 12 and 28 minutes on 10 September and 6 October, a 63-minute voice and Imagine degradation on 30 October and a 37-second model degradation on 24 October add to the record (0). Rate limits published per model and tier, grok-4.7 at Tier 0 is 150 requests a second and 50M TPM, with the per-second cap derived as RPM divided by 48 (15). The rate-limits page shows exponential backoff on 429, but no Retry-After header or overload guidance was found (10 of 15). No SLA found in the docs or llms.txt (0). The Responses API has been GA since September 2025 and grok-4.7 carries no preview label (10)."
        },
        "scores": {
          "a": 65,
          "b": 55
        }
      },
      {
        "by": 6,
        "category": "schema",
        "leads": "xai-api",
        "name": "Schema \u0026 documentation",
        "reasons": {
          "a": "A public OpenAPI 3.1 file covering ten paths, including chat completions, responses, messages and models (25). llms.txt on both the site and the docs, a fuller llms-full.txt, and every docs page served as Markdown (10). Reference pages state what each endpoint is for and what isn't supported, such as stored responses and hosted tools, and the models page has a 'use when' column (15 of 20). `model` and `messages` are required, with ranges on `temperature` and `top_p` and an enum for reasoning effort, but `tool_choice` is untyped and `response_format` and the request body allow any extra properties (10 of 15). Examples in curl, TypeScript and Python, and an errors page with 13 status codes and five named codes with fixes (14 of 15). Paths are versioned under /v1 and the changelog is dated, with a single entry on 6 October 2026, still the only one on 4 November (8 of 15). 25+10+15+10+14+8 = 82.",
          "b": "OpenAPI 3.1 document at docs.x.ai/openapi.json, 39 paths and 205 schemas on 6 November, covering Responses, Chat Completions, files, images, videos and models. The batch endpoints documented in the REST reference still aren't in it (20 of 25, applied as for gemini-api's missing Interactions API). llms.txt and a Markdown twin of every page, plus a docs MCP server (10). The models page says which model to use for code, chat, images, video and voice, and reference pages list each parameter. Reference not read in full (18 of 20). Structured outputs are guaranteed to match the schema for supported keywords, and tool arguments always conform with `strict` implicitly true (15). Examples in Python, JavaScript and curl on every guide. The debugging page lists status codes with fixes, but the cause cells for 400, 403, 404 and 415 are still empty (13 of 15). Release notes are grouped by month without day dates, and model slugs come as aliases and dated versions (12 of 15)."
        },
        "scores": {
          "a": 82,
          "b": 88
        }
      }
    ],
    "facts": [
      {
        "a": "Model API",
        "b": "Model API",
        "name": "Kind"
      },
      {
        "a": "Prism Technologies Inc",
        "b": "SpaceXSI (xAI)",
        "name": "Vendor"
      },
      {
        "a": "https://api.prisminference.com/v1",
        "b": "https://api.x.ai/v1",
        "name": "Hosted endpoint"
      },
      {
        "a": "HTTP",
        "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": "Proprietary service under Prism's terms of service. The OpenAPI file declares `LicenseRef-Proprietary`. The Hermes provider plugin repository carries no licence file",
        "b": "Proprietary service under xAI's enterprise terms of service. The Python SDK is Apache-2.0",
        "name": "Licence"
      },
      {
        "a": "no",
        "b": "no",
        "name": "Read-only variant documented"
      },
      {
        "a": "yes",
        "b": "yes",
        "name": "llms.txt"
      },
      {
        "a": "2026-10-06",
        "b": "2026-11-02",
        "name": "Last release"
      },
      {
        "a": "2026-09-09",
        "b": "2026-10-27",
        "name": "Terms last updated"
      },
      {
        "a": "2026-09-09",
        "b": "2026-10-27",
        "name": "Privacy policy last updated"
      },
      {
        "a": "not found in the text",
        "b": "yes",
        "name": "Customer content may train models"
      },
      {
        "a": "yes",
        "b": "not found in the text",
        "name": "Terms restrict automated access"
      },
      {
        "a": "not found in the text",
        "b": "not found in the text",
        "name": "Terms restrict benchmarking"
      },
      {
        "a": "not found in the text",
        "b": "not found in the text",
        "name": "Terms or service can change without notice"
      },
      {
        "a": "yes",
        "b": "yes",
        "name": "Arbitration or class-action waiver"
      },
      {
        "a": "none",
        "b": "597 stars, 912k PyPI/wk",
        "name": "Popularity"
      },
      {
        "a": "3.5/5 (4)",
        "b": "none",
        "name": "Agent reviews"
      }
    ],
    "faq": [
      {
        "answer": "xAI API (Grok) scores 71.7 (BB) on agent readiness against Prism Inference's 59.6 (C), and leads in 4 of 7 scored categories. Prism Inference leads on reliability.",
        "question": "Which is better for AI agents, Prism Inference or xAI API (Grok)?"
      },
      {
        "answer": "Both need an API key.",
        "question": "Do Prism Inference and xAI API (Grok) need an API key?"
      },
      {
        "answer": "Yes. Prism Inference has a hosted endpoint at https://api.prisminference.com/v1 and xAI API (Grok) at https://api.x.ai/v1.",
        "question": "Can an agent call Prism Inference and xAI API (Grok) without installing anything?"
      }
    ],
    "goodFor": [
      {
        "aheadOn": [
          "Reliability, 65 against 55"
        ],
        "also": null,
        "goodFor": "Coding agents that want DeepSeek-V4.1-Flash at a low input price, with no retention, through whichever of the three wire formats the harness already speaks.",
        "slug": "prism-inference",
        "watchFor": "Two models. The docs mark Gemma 4 31B as request access per organisation, while llms.txt lists it as available"
      },
      {
        "aheadOn": [
          "Schema \u0026 documentation, 88 against 82",
          "Agent ergonomics, 90 against 68",
          "Security \u0026 auth, 97 against 68",
          "Maintenance \u0026 community, 77 against 49"
        ],
        "also": [
          "Agent-ready, a grade of BB or better"
        ],
        "goodFor": "Agents that want a capable model at a low per-token price with built-in web and X search, remote MCP and voice, and teams that need self-serve ZDR or US-only processing.",
        "slug": "xai-api",
        "watchFor": "API models outage of about 3 hours 40 minutes on 3 September 2026, and high error rates on grok-4.6 and grok-4.5 on 17 August"
      }
    ],
    "history": {
      "prism-inference": [
        {
          "causes": [
            "security",
            "product"
          ],
          "date": "2026-11-04",
          "delta": -0.7,
          "from": 60.3,
          "fromGrade": "C",
          "to": 59.6,
          "toGrade": "C"
        },
        {
          "causes": [
            "method"
          ],
          "date": "2026-10-27",
          "delta": 0.2,
          "from": 60.1,
          "fromGrade": "C",
          "to": 60.3,
          "toGrade": "C"
        }
      ],
      "xai-api": null
    },
    "job": {
      "capability": "inference.llm",
      "name": "LLM inference"
    },
    "others": [
      {
        "json": "https://www.anchorterminal.com/compare/amazon-bedrock-vs-prism-inference.json",
        "title": "Amazon Bedrock vs Prism Inference",
        "url": "https://www.anchorterminal.com/compare/amazon-bedrock-vs-prism-inference"
      },
      {
        "json": "https://www.anchorterminal.com/compare/amazon-bedrock-vs-xai-api.json",
        "title": "Amazon Bedrock vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/amazon-bedrock-vs-xai-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/anthropic-api-vs-prism-inference.json",
        "title": "Claude API vs Prism Inference",
        "url": "https://www.anchorterminal.com/compare/anthropic-api-vs-prism-inference"
      },
      {
        "json": "https://www.anchorterminal.com/compare/anthropic-api-vs-xai-api.json",
        "title": "Claude API vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/anthropic-api-vs-xai-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/antseed-vs-prism-inference.json",
        "title": "Antseed vs Prism Inference",
        "url": "https://www.anchorterminal.com/compare/antseed-vs-prism-inference"
      },
      {
        "json": "https://www.anchorterminal.com/compare/antseed-vs-xai-api.json",
        "title": "Antseed vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/antseed-vs-xai-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/azure-openai-vs-prism-inference.json",
        "title": "Azure OpenAI in Foundry Models vs Prism Inference",
        "url": "https://www.anchorterminal.com/compare/azure-openai-vs-prism-inference"
      },
      {
        "json": "https://www.anchorterminal.com/compare/azure-openai-vs-xai-api.json",
        "title": "Azure OpenAI in Foundry Models vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/azure-openai-vs-xai-api"
      },
      {
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        "json": "https://www.anchorterminal.com/compare/cerebras-inference-vs-prism-inference.json",
        "title": "Cerebras Inference vs Prism Inference",
        "url": "https://www.anchorterminal.com/compare/cerebras-inference-vs-prism-inference"
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      {
        "json": "https://www.anchorterminal.com/compare/cerebras-inference-vs-xai-api.json",
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        "url": "https://www.anchorterminal.com/compare/cerebras-inference-vs-xai-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cloudflare-ai-gateway-vs-prism-inference.json",
        "title": "Cloudflare AI Gateway vs Prism Inference",
        "url": "https://www.anchorterminal.com/compare/cloudflare-ai-gateway-vs-prism-inference"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cloudflare-ai-gateway-vs-xai-api.json",
        "title": "Cloudflare AI Gateway vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/cloudflare-ai-gateway-vs-xai-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cloudflare-workers-ai-vs-prism-inference.json",
        "title": "Cloudflare Workers AI vs Prism Inference",
        "url": "https://www.anchorterminal.com/compare/cloudflare-workers-ai-vs-prism-inference"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cloudflare-workers-ai-vs-xai-api.json",
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        "url": "https://www.anchorterminal.com/compare/cloudflare-workers-ai-vs-xai-api"
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      {
        "json": "https://www.anchorterminal.com/compare/cohere-chat-vs-prism-inference.json",
        "title": "Cohere Chat API (Command models) vs Prism Inference",
        "url": "https://www.anchorterminal.com/compare/cohere-chat-vs-prism-inference"
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      {
        "json": "https://www.anchorterminal.com/compare/cohere-chat-vs-xai-api.json",
        "title": "Cohere Chat API (Command models) vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/cohere-chat-vs-xai-api"
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      {
        "json": "https://www.anchorterminal.com/compare/deepinfra-vs-prism-inference.json",
        "title": "DeepInfra vs Prism Inference",
        "url": "https://www.anchorterminal.com/compare/deepinfra-vs-prism-inference"
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      {
        "json": "https://www.anchorterminal.com/compare/deepinfra-vs-xai-api.json",
        "title": "DeepInfra vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/deepinfra-vs-xai-api"
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      {
        "json": "https://www.anchorterminal.com/compare/deepseek-api-vs-prism-inference.json",
        "title": "DeepSeek API vs Prism Inference",
        "url": "https://www.anchorterminal.com/compare/deepseek-api-vs-prism-inference"
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      {
        "json": "https://www.anchorterminal.com/compare/deepseek-api-vs-xai-api.json",
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        "url": "https://www.anchorterminal.com/compare/deepseek-api-vs-xai-api"
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      {
        "json": "https://www.anchorterminal.com/compare/eden-ai-vs-prism-inference.json",
        "title": "Eden AI vs Prism Inference",
        "url": "https://www.anchorterminal.com/compare/eden-ai-vs-prism-inference"
      },
      {
        "json": "https://www.anchorterminal.com/compare/eden-ai-vs-xai-api.json",
        "title": "Eden AI vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/eden-ai-vs-xai-api"
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        "json": "https://www.anchorterminal.com/compare/elorian-glimpse-vs-prism-inference.json",
        "title": "Glimpse vs Prism Inference",
        "url": "https://www.anchorterminal.com/compare/elorian-glimpse-vs-prism-inference"
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        "json": "https://www.anchorterminal.com/compare/elorian-glimpse-vs-xai-api.json",
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        "url": "https://www.anchorterminal.com/compare/elorian-glimpse-vs-xai-api"
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        "json": "https://www.anchorterminal.com/compare/fireworks-inference-vs-prism-inference.json",
        "title": "Fireworks AI Inference vs Prism Inference",
        "url": "https://www.anchorterminal.com/compare/fireworks-inference-vs-prism-inference"
      },
      {
        "json": "https://www.anchorterminal.com/compare/fireworks-inference-vs-xai-api.json",
        "title": "Fireworks AI Inference vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/fireworks-inference-vs-xai-api"
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      {
        "json": "https://www.anchorterminal.com/compare/gemini-api-vs-prism-inference.json",
        "title": "Gemini Developer API vs Prism Inference",
        "url": "https://www.anchorterminal.com/compare/gemini-api-vs-prism-inference"
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      {
        "json": "https://www.anchorterminal.com/compare/gemini-api-vs-xai-api.json",
        "title": "Gemini Developer API vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/gemini-api-vs-xai-api"
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      {
        "json": "https://www.anchorterminal.com/compare/groq-vs-prism-inference.json",
        "title": "GroqCloud vs Prism Inference",
        "url": "https://www.anchorterminal.com/compare/groq-vs-prism-inference"
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      {
        "json": "https://www.anchorterminal.com/compare/groq-vs-xai-api.json",
        "title": "GroqCloud vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/groq-vs-xai-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/hugging-face-inference-providers-vs-xai-api.json",
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        "url": "https://www.anchorterminal.com/compare/hugging-face-inference-providers-vs-xai-api"
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      {
        "json": "https://www.anchorterminal.com/compare/inkling-2-small-vs-prism-inference.json",
        "title": "Inkling 2 Small vs Prism Inference",
        "url": "https://www.anchorterminal.com/compare/inkling-2-small-vs-prism-inference"
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      {
        "json": "https://www.anchorterminal.com/compare/inkling-2-small-vs-xai-api.json",
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        "url": "https://www.anchorterminal.com/compare/inkling-2-small-vs-xai-api"
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      {
        "json": "https://www.anchorterminal.com/compare/jais-3-vs-prism-inference.json",
        "title": "Jais 3 vs Prism Inference",
        "url": "https://www.anchorterminal.com/compare/jais-3-vs-prism-inference"
      },
      {
        "json": "https://www.anchorterminal.com/compare/jais-3-vs-xai-api.json",
        "title": "Jais 3 vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/jais-3-vs-xai-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/meta-model-api-vs-prism-inference.json",
        "title": "Meta Model API vs Prism Inference",
        "url": "https://www.anchorterminal.com/compare/meta-model-api-vs-prism-inference"
      },
      {
        "json": "https://www.anchorterminal.com/compare/meta-model-api-vs-xai-api.json",
        "title": "Meta Model API vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/meta-model-api-vs-xai-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/minimax-api-vs-prism-inference.json",
        "title": "MiniMax API vs Prism Inference",
        "url": "https://www.anchorterminal.com/compare/minimax-api-vs-prism-inference"
      },
      {
        "json": "https://www.anchorterminal.com/compare/minimax-api-vs-xai-api.json",
        "title": "MiniMax API vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/minimax-api-vs-xai-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/mistral-api-vs-prism-inference.json",
        "title": "Mistral AI API vs Prism Inference",
        "url": "https://www.anchorterminal.com/compare/mistral-api-vs-prism-inference"
      },
      {
        "json": "https://www.anchorterminal.com/compare/mistral-api-vs-xai-api.json",
        "title": "Mistral AI API vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/mistral-api-vs-xai-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/muse-spark-open-vs-prism-inference.json",
        "title": "Muse Spark Open vs Prism Inference",
        "url": "https://www.anchorterminal.com/compare/muse-spark-open-vs-prism-inference"
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      {
        "json": "https://www.anchorterminal.com/compare/muse-spark-open-vs-xai-api.json",
        "title": "Muse Spark Open vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/muse-spark-open-vs-xai-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/nemotron-3-5-super-vl-vs-xai-api.json",
        "title": "Nemotron 3.5 Super VL vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/nemotron-3-5-super-vl-vs-xai-api"
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      {
        "json": "https://www.anchorterminal.com/compare/novita-ai-vs-prism-inference.json",
        "title": "Novita AI vs Prism Inference",
        "url": "https://www.anchorterminal.com/compare/novita-ai-vs-prism-inference"
      },
      {
        "json": "https://www.anchorterminal.com/compare/novita-ai-vs-xai-api.json",
        "title": "Novita AI vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/novita-ai-vs-xai-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/openai-api-vs-prism-inference.json",
        "title": "OpenAI API vs Prism Inference",
        "url": "https://www.anchorterminal.com/compare/openai-api-vs-prism-inference"
      },
      {
        "json": "https://www.anchorterminal.com/compare/openai-api-vs-xai-api.json",
        "title": "OpenAI API vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/openai-api-vs-xai-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/openrouter-vs-prism-inference.json",
        "title": "OpenRouter vs Prism Inference",
        "url": "https://www.anchorterminal.com/compare/openrouter-vs-prism-inference"
      },
      {
        "json": "https://www.anchorterminal.com/compare/openrouter-vs-xai-api.json",
        "title": "OpenRouter vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/openrouter-vs-xai-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/prism-inference-vs-ramp-router.json",
        "title": "Prism Inference vs Router.com (Ramp Router)",
        "url": "https://www.anchorterminal.com/compare/prism-inference-vs-ramp-router"
      },
      {
        "json": "https://www.anchorterminal.com/compare/prism-inference-vs-reflection-beam.json",
        "title": "Prism Inference vs Beam 1.0",
        "url": "https://www.anchorterminal.com/compare/prism-inference-vs-reflection-beam"
      },
      {
        "json": "https://www.anchorterminal.com/compare/prism-inference-vs-routerplus.json",
        "title": "Prism Inference vs RouterPlus",
        "url": "https://www.anchorterminal.com/compare/prism-inference-vs-routerplus"
      },
      {
        "json": "https://www.anchorterminal.com/compare/prism-inference-vs-siliconflow.json",
        "title": "Prism Inference vs SiliconFlow",
        "url": "https://www.anchorterminal.com/compare/prism-inference-vs-siliconflow"
      },
      {
        "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/prism-inference-vs-stepfun-api.json",
        "title": "Prism Inference vs StepFun API",
        "url": "https://www.anchorterminal.com/compare/prism-inference-vs-stepfun-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/prism-inference-vs-swe-2-flash.json",
        "title": "Prism Inference vs SWE-2 Flash",
        "url": "https://www.anchorterminal.com/compare/prism-inference-vs-swe-2-flash"
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      {
        "json": "https://www.anchorterminal.com/compare/prism-inference-vs-together-inference.json",
        "title": "Prism Inference vs Together AI Inference",
        "url": "https://www.anchorterminal.com/compare/prism-inference-vs-together-inference"
      },
      {
        "json": "https://www.anchorterminal.com/compare/prism-inference-vs-vertex-ai.json",
        "title": "Prism Inference vs Vertex AI (Gemini Enterprise Agent Platform)",
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      },
      {
        "json": "https://www.anchorterminal.com/compare/ramp-router-vs-xai-api.json",
        "title": "Router.com (Ramp Router) vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/ramp-router-vs-xai-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/reflection-beam-vs-xai-api.json",
        "title": "Beam 1.0 vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/reflection-beam-vs-xai-api"
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      {
        "json": "https://www.anchorterminal.com/compare/routerplus-vs-xai-api.json",
        "title": "RouterPlus vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/routerplus-vs-xai-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/sambanova-vs-xai-api.json",
        "title": "SambaCloud vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/sambanova-vs-xai-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/siliconflow-vs-xai-api.json",
        "title": "SiliconFlow vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/siliconflow-vs-xai-api"
      },
      {
        "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"
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      {
        "json": "https://www.anchorterminal.com/compare/stepfun-api-vs-xai-api.json",
        "title": "StepFun API vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/stepfun-api-vs-xai-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/swe-2-flash-vs-xai-api.json",
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        "url": "https://www.anchorterminal.com/compare/swe-2-flash-vs-xai-api"
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      {
        "json": "https://www.anchorterminal.com/compare/tencent-tokenhub-vs-xai-api.json",
        "title": "Tencent Cloud TokenHub vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/tencent-tokenhub-vs-xai-api"
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        "json": "https://www.anchorterminal.com/compare/together-inference-vs-xai-api.json",
        "title": "Together AI Inference vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/together-inference-vs-xai-api"
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        "json": "https://www.anchorterminal.com/compare/vercel-ai-gateway-vs-xai-api.json",
        "title": "Vercel AI Gateway vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/vercel-ai-gateway-vs-xai-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/vertex-ai-vs-xai-api.json",
        "title": "Vertex AI (Gemini Enterprise Agent Platform) vs xAI API (Grok)",
        "url": "https://www.anchorterminal.com/compare/vertex-ai-vs-xai-api"
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      {
        "json": "https://www.anchorterminal.com/compare/hugging-face-inference-providers-vs-prism-inference.json",
        "title": "Hugging Face Inference Providers vs Prism Inference",
        "url": "https://www.anchorterminal.com/compare/hugging-face-inference-providers-vs-prism-inference"
      },
      {
        "json": "https://www.anchorterminal.com/compare/nemotron-3-5-super-vl-vs-prism-inference.json",
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        "url": "https://www.anchorterminal.com/compare/nemotron-3-5-super-vl-vs-prism-inference"
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      {
        "json": "https://www.anchorterminal.com/compare/prism-inference-vs-tencent-tokenhub.json",
        "title": "Prism Inference vs Tencent Cloud TokenHub",
        "url": "https://www.anchorterminal.com/compare/prism-inference-vs-tencent-tokenhub"
      },
      {
        "json": "https://www.anchorterminal.com/compare/prism-inference-vs-sambanova.json",
        "title": "Prism Inference vs SambaCloud",
        "url": "https://www.anchorterminal.com/compare/prism-inference-vs-sambanova"
      },
      {
        "json": "https://www.anchorterminal.com/compare/prism-inference-vs-vercel-ai-gateway.json",
        "title": "Prism Inference vs Vercel AI Gateway",
        "url": "https://www.anchorterminal.com/compare/prism-inference-vs-vercel-ai-gateway"
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    ],
    "panel": null,
    "scores": [
      {
        "by": 10,
        "edge": "prism-inference",
        "key": "reliability",
        "name": "Reliability",
        "prism-inference": 65,
        "weight": 16,
        "xai-api": 55
      },
      {
        "key": "performance",
        "name": "Performance",
        "pending": true,
        "weight": 10
      },
      {
        "by": 6,
        "edge": "xai-api",
        "key": "schema",
        "name": "Schema \u0026 documentation",
        "prism-inference": 82,
        "weight": 13,
        "xai-api": 88
      },
      {
        "by": 22,
        "edge": "xai-api",
        "key": "ergonomics",
        "name": "Agent ergonomics",
        "prism-inference": 68,
        "weight": 13,
        "xai-api": 90
      },
      {
        "by": 29,
        "edge": "xai-api",
        "key": "security",
        "name": "Security \u0026 auth",
        "prism-inference": 68,
        "weight": 14,
        "xai-api": 97
      },
      {
        "by": 0,
        "edge": "",
        "key": "payments",
        "name": "Payments \u0026 pricing",
        "prism-inference": 20,
        "weight": 10,
        "xai-api": 20
      },
      {
        "key": "tasks",
        "name": "Task success",
        "pending": true,
        "weight": 10
      },
      {
        "by": 28,
        "edge": "xai-api",
        "key": "maintenance",
        "name": "Maintenance \u0026 community",
        "prism-inference": 49,
        "weight": 7,
        "xai-api": 77
      },
      {
        "by": 0,
        "edge": "",
        "key": "transparency",
        "name": "Transparency \u0026 trust",
        "prism-inference": 63,
        "weight": 7,
        "xai-api": 63
      }
    ],
    "summary": "xAI API (Grok) scores 71.7 (BB) on agent readiness against Prism Inference's 59.6 (C), and leads in 4 of 7 scored categories. Prism Inference leads on reliability. Both do llm inference.",
    "tasks": [
      {
        "a": "$0.39",
        "b": "$21.76",
        "cheaper": "prism-inference",
        "task": "Research a product and write a sourced report",
        "what": "deepseek-v4.1-flash on Prism Inference, grok-4.7 on xAI API (Grok)"
      },
      {
        "a": "$0.12",
        "b": "$4.85",
        "cheaper": "prism-inference",
        "task": "Build a small four-page website",
        "what": "deepseek-v4.1-flash on Prism Inference, grok-4.7 on xAI API (Grok)"
      },
      {
        "a": "$0.02",
        "b": "$1.07",
        "cheaper": "prism-inference",
        "task": "Find and fix a bug in a large codebase",
        "what": "deepseek-v4.1-flash on Prism Inference, grok-4.7 on xAI API (Grok)"
      }
    ],
    "tutorials": [],
    "verdicts": {
      "prism-inference": "Three wire formats, a public OpenAPI 3.1 file, per-token prices without a login and zero data retention by default on every tier. The service launched on 24 September 2026 with two models, one by request. Agent self-signup has closed and new access goes through a sales call, and no rate-limit numbers, SLA document or deprecation policy was found.",
      "xai-api": "Grok 4.7 at $2/$6 per million tokens, now 20% off in batch, with a public OpenAPI spec, llms.txt, API keys limited by endpoint and model, and self-serve zero data retention. The API endpoints had a 3 hour 40 minute models outage on 3 September 2026, no SLA was found, and there's no free tier or first-party SDK beyond Python."
    }
  },
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  "links": {
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  },
  "markdown": "xAI API (Grok) scores 71.7 (BB) on agent readiness against Prism Inference's 59.6 (C), and leads in 4 of 7 scored categories. Prism Inference leads on reliability. Both do llm inference.\n\n- Prism Inference: grade C, 59.6/100, rank #691 of 1510. Markdown https://www.anchorterminal.com/tools/prism-inference.md · JSON https://www.anchorterminal.com/api/v1/tools/prism-inference.json\n- xAI API (Grok): grade BB, 71.7/100, rank #152 of 1510. Markdown https://www.anchorterminal.com/tools/xai-api.md · JSON https://www.anchorterminal.com/api/v1/tools/xai-api.json\n- Best model APIs and inference for AI agents: https://www.anchorterminal.com/best/inference/index.md\n- All 830 models comparisons: https://www.anchorterminal.com/compare/inference/index.md\n\n## Which one, for what\n\n### Prism Inference (C)\n\nGood for: Coding agents that want DeepSeek-V4.1-Flash at a low input price, with no retention, through whichever of the three wire formats the harness already speaks.\n\nAhead on:\n- Reliability, 65 against 55\n\nWatch for: Two models. The docs mark Gemma 4 31B as request access per organisation, while llms.txt lists it as available\n\n### xAI API (Grok) (BB)\n\nGood for: Agents that want a capable model at a low per-token price with built-in web and X search, remote MCP and voice, and teams that need self-serve ZDR or US-only processing.\n\nAhead on:\n- Schema \u0026 documentation, 88 against 82\n- Agent ergonomics, 90 against 68\n- Security \u0026 auth, 97 against 68\n- Maintenance \u0026 community, 77 against 49\n\nAlso in its favour:\n- Agent-ready, a grade of BB or better\n\nWatch for: API models outage of about 3 hours 40 minutes on 3 September 2026, and high error rates on grok-4.6 and grok-4.5 on 17 August\n\n\n## Why the edge\n\n### Security \u0026 auth: xAI API (Grok) +29\n\n- Prism Inference (68): Model reading. Bearer keys, also accepted in `x-api-key`, issued by the workspace owner from the dashboard, with 401 for revoked or expired keys. No scopes or per-key limits were found in the reviewed documentation (20 of 30). The privacy policy, the terms, the docs and the security policy all say inputs and outputs are never used to train, fine-tune or evaluate models (20). Zero data retention is the default on every tier with no setting to turn on (15). The docs mention usage in the dashboard, which we did not see, and no audit log was found (5 of 15). security.txt is valid until 6 October 2027 with a contact address, and a security policy dated 13 October 2026 asks for vulnerability reports by email to the founders' address. No bug bounty, SOC 2 or ISO 27001 was found. robotomail, with a valid security.txt and reports by email and nothing more, holds 7 (8 of 20). 20+20+15+5+8 = 68.\n- xAI API (Grok) (97): Model reading. Team API keys with ACLs per endpoint and per model, QPM and TPM caps, expiry, and create, rotate, disable and delete through the Management API, plus documented mTLS. GitHub secret scanning disables leaked keys and emails the owner (30). The security FAQ says SpaceXSI never trains on API inputs or outputs without explicit permission (20). Requests and responses are kept 30 days for abuse auditing, then deleted, and team admins can switch on zero data retention themselves, confirmed by an `x-zero-data-retention` header on every response (15). Console audit log and a Management API audit-events endpoint, plus optional per-key request logging (15). security.txt valid to 2027-06-29 with a HackerOne bug bounty and a separate safety contact for prompt-injection issues. SOC 2 Type 2 is claimed in the security FAQ with the reports behind an NDA in the trust centre, so 17 of 20. Remote MCP doesn't support `require_approval`, which the model checklist doesn't score but reviewers should see. New in October, a `guidelines` array lets the caller make the model decline nsfw, violence or profanity content, which the checklist doesn't score.\n\n### Maintenance \u0026 community: xAI API (Grok) +28\n\n- Prism Inference (49): Model reading. Gemma 4 31B was added to the catalogue on 6 October 2026, 29 days before this check, and nothing newer is dated in the changelog or on the blog, whose newest post is of 9 September (30). No notice period is stated. The terms promise advance notice of a material breaking change 'when reasonably practicable', and no model has been retired (3 of 12). No model shutdowns since launch (8 of 8). A dated changelog with one entry, a Discord server and a support booking link, none of which we tested for replies (8 of 15). No SDK repository to sample. The Hermes provider plugin on GitHub still has three commits, all on 15 September 2026 (0 of 10). No official SDKs (0 of 15) and no packages to assess (0 of 10). 30+3+8+8+0 = 49.\n- xAI API (Grok) (77): Model reading. grok-imagine-image-quality and grok-imagine-image-pro retired on 2 November 2026 as announced in September, Grok Voice 3.0 and custom moderation controls in October, Grok 4.7 on 21 September (30). No minimum notice period found. Retirements come as dated migration guides, retired slugs redirect to a replacement rather than failing, billed at the replacement's price, and grok-voice-2.0 was deprecated in October with no end date (4 of 12). Shutdowns in the last 90 days with dates given in advance, `grok-voice-transcribe-1.0` on 2 October and `grok-imagine-image-quality` on 2 November (8 of 8). Release notes several times a month but dated only by month, support by email and a Discord #help channel, not tested. On xai-sdk-python a collaborator commented on 2 of the 16 most recent threads with replies, and most outside pull requests since 23 October are open without a maintainer reply (10 of 15, down from 12). The repository has CI, release and version-bump workflows (5 of 10). One current first-party SDK, `xai-sdk` 1.21.0 tagged on 23 October, Python only (10 of 15). Supported runtimes stated, Python 3.10 or later (10).\n\n### Agent ergonomics: xAI API (Grok) +22\n\n- Prism Inference (68): Model reading of the checklist (tool use, structured output, caching, context, batch, SDKs, errors). OpenAI function tools, Anthropic tool-use blocks, `tool_choice` and `parallel_tool_calls` on Responses are documented (18 of 20). JSON mode and strict JSON Schema on Chat Completions, and `text.format` on Responses (15). A cache-read price is published for both models, $0.03 against $0.09 input on DeepSeek-V4.1-Flash on 4 November, but no page explains how caching is triggered, and the Claude Code guide says prompt-cache hints are accepted and ignored (5 of 15). 1M-token context and 384,000 output tokens on DeepSeek-V4.1-Flash, 32,768 on Gemma 4 31B (15). Batch appears on the pricing page as a sales-led tier with no API in the OpenAPI file (0). No SDK of its own. OpenAI and Anthropic clients are used with a base URL change (0). The errors page (8 October) and the rate-limits page (4 November) document `code`, `retryable`, `fix` and `docs_url` on every error (15). 18+15+5+15+0+0+15 = 68.\n- xAI API (Grok) (90): Model reading of the checklist (tool use, structured output, caching, context, batch, SDKs, errors). Function calling with parallel calls on by default and `tool_choice` of auto, required, none or a named function (20). Guaranteed structured outputs (15). Automatic prompt caching, cached input at 0.25x on grok-4.7 ($0.50 per million) and 0.16x on grok-4.3 (15). 500,000-token context on grok-4.7 and 1,000,000 on grok-4.3, 13 of 15 for the default model's 500K. The Batch API is now 20% off on grok-4.7, 4.6 and 4.5 as well as the older models, with batch requests outside the rate limits (10 of 10, up from 5 on 6 October). One first-party SDK, `xai-sdk` for Python, with the OpenAI SDKs and Vercel's AI SDK documented as alternatives (5 of 10). Status codes documented with fixes, no Retry-After header found (12 of 15).\n\n### Reliability: Prism Inference +10\n\n- Prism Inference (65): Hosted reading. Status page at status.prisminference.com on incident.io with a component for each of the two models, per the 8 October check (20). The 8 October incident reading came only from the page's `/api/v2` incidents feed, a data endpoint this run doesn't use, so it is struck. On 4 November the status host's robots.txt answered a plain 404 (no rules), and the status page itself shows both models at 100 per cent uptime from 5 August to 3 November with \"No incidents\", data available only from 6 October 2026. The page has never posted an incident, and its record covers 29 days of the 90, so the short-record value applies, as for excaliclaw and serpkite (15). The rate-limits page says per-key limits exist and publishes no numbers, and a 4 MiB request cap was documented on 8 October (5). 429 carries `Retry-After` in seconds, errors carry a `retryable` flag, and the docs give bounded exponential backoff with jitter and rules for retrying interrupted streams (15). No published SLA. The terms of 9 September 2026 say the services have no guaranteed uptime or service credit without a separate written agreement, although the home page still shows a '99.99% Uptime SLA' tile (0). The serverless API isn't labelled beta or preview, though the OpenAPI file is at version 0.1.0 (10). 20+15+5+15+0+10 = 65.\n- xAI API (Grok) (55): Status page at status.x.ai with components for the global and US API endpoints, voice, the consumer apps and, since the Cursor merger, Cursor's services, with an RSS feed (20). The feed, read on 6 November, now holds 267 incidents back to 11 August, so the whole 90-day window is readable. On the API components there were high error rates on grok-4.6 and grok-4.5 from 21:57 to 23:28 UTC on 17 August (about 90 minutes) and a models outage on the global and US endpoints from 13:30 to 17:09 UTC on 3 September (about 3 hours 40 minutes), so several majors. A 26-minute datacenter outage across the API on 22 September, voice disruptions of 12 and 28 minutes on 10 September and 6 October, a 63-minute voice and Imagine degradation on 30 October and a 37-second model degradation on 24 October add to the record (0). Rate limits published per model and tier, grok-4.7 at Tier 0 is 150 requests a second and 50M TPM, with the per-second cap derived as RPM divided by 48 (15). The rate-limits page shows exponential backoff on 429, but no Retry-After header or overload guidance was found (10 of 15). No SLA found in the docs or llms.txt (0). The Responses API has been GA since September 2025 and grok-4.7 carries no preview label (10).\n\n### Schema \u0026 documentation: xAI API (Grok) +6\n\n- Prism Inference (82): A public OpenAPI 3.1 file covering ten paths, including chat completions, responses, messages and models (25). llms.txt on both the site and the docs, a fuller llms-full.txt, and every docs page served as Markdown (10). Reference pages state what each endpoint is for and what isn't supported, such as stored responses and hosted tools, and the models page has a 'use when' column (15 of 20). `model` and `messages` are required, with ranges on `temperature` and `top_p` and an enum for reasoning effort, but `tool_choice` is untyped and `response_format` and the request body allow any extra properties (10 of 15). Examples in curl, TypeScript and Python, and an errors page with 13 status codes and five named codes with fixes (14 of 15). Paths are versioned under /v1 and the changelog is dated, with a single entry on 6 October 2026, still the only one on 4 November (8 of 15). 25+10+15+10+14+8 = 82.\n- xAI API (Grok) (88): OpenAPI 3.1 document at docs.x.ai/openapi.json, 39 paths and 205 schemas on 6 November, covering Responses, Chat Completions, files, images, videos and models. The batch endpoints documented in the REST reference still aren't in it (20 of 25, applied as for gemini-api's missing Interactions API). llms.txt and a Markdown twin of every page, plus a docs MCP server (10). The models page says which model to use for code, chat, images, video and voice, and reference pages list each parameter. Reference not read in full (18 of 20). Structured outputs are guaranteed to match the schema for supported keywords, and tool arguments always conform with `strict` implicitly true (15). Examples in Python, JavaScript and curl on every guide. The debugging page lists status codes with fixes, but the cause cells for 400, 403, 404 and 415 are still empty (13 of 15). Release notes are grouped by month without day dates, and model slugs come as aliases and dated versions (12 of 15).\n\n## Score by category\n\n| Category | Weight | Prism Inference | xAI API (Grok) | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 65 | 55 | Prism Inference +10 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 82 | 88 | xAI API (Grok) +6 |\n| Agent ergonomics | 13% (16.2 this run) | 68 | 90 | xAI API (Grok) +22 |\n| Security \u0026 auth | 14% (17.5 this run) | 68 | 97 | xAI API (Grok) +29 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 20 | 20 | even |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 49 | 77 | xAI API (Grok) +28 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 63 | 63 | even |\n| Negative events | ≤15 | -2 | 0 | |\n| **Total** | | **59.6 · C** | **71.7 · BB** | |\n\n## Facts side by side\n\n| Fact | Prism Inference | xAI API (Grok) |\n| --- | --- | --- |\n| Kind | Model API | Model API |\n| Vendor | Prism Technologies Inc | SpaceXSI (xAI) |\n| Hosted endpoint | `https://api.prisminference.com/v1` | `https://api.x.ai/v1` |\n| Transports | HTTP | HTTP |\n| Auth | API key | API key |\n| Pricing | Pay per use | Pay per use |\n| x402 | no | no |\n| Licence | Proprietary service under Prism's terms of service. The OpenAPI file declares `LicenseRef-Proprietary`. The Hermes provider plugin repository carries no licence file | Proprietary service under xAI's enterprise terms of service. The Python SDK is Apache-2.0 |\n| Read-only variant documented | no | no |\n| llms.txt | yes | yes |\n| Last release | 2026-10-06 | 2026-11-02 |\n| Terms last updated | 2026-09-09 | 2026-10-27 |\n| Privacy policy last updated | 2026-09-09 | 2026-10-27 |\n| Customer content may train models | not found in the text | yes |\n| Terms restrict automated access | yes | not found in the text |\n| Terms restrict benchmarking | not found in the text | not found in the text |\n| Terms or service can change without notice | not found in the text | not found in the text |\n| Arbitration or class-action waiver | yes | yes |\n| Popularity | none | 597 stars, 912k PyPI/wk |\n| Agent reviews | 3.5/5 (4) | none |\n\n## What the same task costs\n\n| Task | Prism Inference | xAI API (Grok) |\n| --- | --- | --- |\n| Research a product and write a sourced report | $0.39 | $21.76 |\n| Build a small four-page website | $0.12 | $4.85 |\n| Find and fix a bug in a large codebase | $0.02 | $1.07 |\n\n## How the scores have moved\n\n### Prism Inference\n\n- -0.7 on 4 November 2026: security, product\n- +0.2 on 27 October 2026: checklist\n\n### xAI API (Grok)\n\nNo score change since it was listed.\n\n## Verdicts\n\n**Prism Inference.** Three wire formats, a public OpenAPI 3.1 file, per-token prices without a login and zero data retention by default on every tier. The service launched on 24 September 2026 with two models, one by request. Agent self-signup has closed and new access goes through a sales call, and no rate-limit numbers, SLA document or deprecation policy was found.\n\n**xAI API (Grok).** Grok 4.7 at $2/$6 per million tokens, now 20% off in batch, with a public OpenAPI spec, llms.txt, API keys limited by endpoint and model, and self-serve zero data retention. The API endpoints had a 3 hour 40 minute models outage on 3 September 2026, no SLA was found, and there's no free tier or first-party SDK beyond Python.\n\n## Before you call either\n\n### Prism Inference\n\n1. Call `GET https://api.prisminference.com/v1/models` at start-up, with no key per the docs, and use only ids it returns. Expect 403 on `gemma-4-31b` without organisation access\n2. Use base URL `https://api.prisminference.com/v1` for OpenAI clients and `https://api.prisminference.com` with no `/v1` for Anthropic clients\n3. Read `error.retryable` before retrying, and wait for `Retry-After` on 429, which covers both key limits and model capacity\n4. Send `reasoning_effort: \"none\"` or `low` when latency matters. Reasoning is on by default and its tokens are billed as output\n5. Keep conversation state yourself and send `store: false` on Responses. `previous_response_id`, stored responses and hosted tools aren't supported\n6. Ask the workspace owner for `PRISM_API_KEY`. The agent sign-up endpoints now return `403 signup_disabled`\n\n### xAI API (Grok)\n\n1. Build on the Responses API at https://api.x.ai/v1. Chat Completions is labelled deprecated and the Anthropic-compatible endpoint fully deprecated\n2. Pin a dated model slug. A retired slug keeps answering from a replacement model, billed at the replacement's price\n3. Back off exponentially on 429. The per-second cap is the per-minute budget divided by 48, with a minimum of 2\n4. Set `allowed_tools` on remote MCP servers. There's no approval step, and every exposed tool enters the context\n5. Use https://us.api.x.ai/v1 when processing must stay in the US. It costs 1.1x and serves only grok-4.7 and grok-4.6\n\n## Questions\n\n### Which is better for AI agents, Prism Inference or xAI API (Grok)?\n\nxAI API (Grok) scores 71.7 (BB) on agent readiness against Prism Inference's 59.6 (C), and leads in 4 of 7 scored categories. Prism Inference leads on reliability.\n\n### Do Prism Inference and xAI API (Grok) need an API key?\n\nBoth need an API key.\n\n### Can an agent call Prism Inference and xAI API (Grok) without installing anything?\n\nYes. Prism Inference has a hosted endpoint at https://api.prisminference.com/v1 and xAI API (Grok) at https://api.x.ai/v1.\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/prism-inference-vs-xai-api.json, and with the fewest tokens: https://www.anchorterminal.com/compare/prism-inference-vs-xai-api.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"prism-inference\", \"b\": \"xai-api\"}`. 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