{
  "data": {
    "a": {
      "slug": "openrouter",
      "name": "OpenRouter",
      "vendor": "OpenRouter",
      "vendorUrl": "https://openrouter.ai",
      "kind": "router",
      "category": "inference",
      "summary": "One OpenAI-compatible API in front of 80+ model providers, at the providers' own token prices, with fallbacks and routing controls.",
      "url": "https://www.anchorterminal.com/tools/openrouter",
      "markdownUrl": "https://www.anchorterminal.com/tools/openrouter.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/openrouter.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/openrouter.json",
      "repo": "https://github.com/OpenRouterTeam/typescript-sdk",
      "license": "Apache-2.0 (SDKs)",
      "transports": [
        "http"
      ],
      "remoteUrl": "https://openrouter.ai/api/v1",
      "packages": [
        {
          "registry": "npm",
          "name": "@openrouter/sdk"
        },
        {
          "registry": "pypi",
          "name": "openrouter"
        }
      ],
      "auth": "api-key",
      "authNotes": "Bearer key. OAuth PKCE lets an app get a key on a user's behalf.",
      "pricing": "usage",
      "pricingNotes": "No markup on tokens. The fee is on credit top-ups, 5.5% by card ($0.80 minimum) and 5% in crypto, 8% on Business. Bring your own key free up to $25,000 a month, then 5%. 25+ free models at 20 requests a minute and 50 a day, 1,000 a day after a $10 purchase (https://openrouter.ai/pricing).",
      "priceSummary": "5.5% fee",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "Credits can be bought in USDC through Coinbase, but requests are paid from a prepaid balance, not per call.",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": 226,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-09-26"
      },
      "docsUrl": "https://openrouter.ai/docs",
      "rateLimitsUrl": "https://openrouter.ai/docs/api_reference/limits",
      "llmsTxt": "https://openrouter.ai/docs/llms.txt",
      "openapi": "https://openrouter.ai/docs/openapi/openapi.yaml",
      "capabilities": [
        "inference.llm",
        "inference.router"
      ],
      "tags": [
        "hosted",
        "router",
        "free-tier",
        "no-card",
        "openapi",
        "llms-txt",
        "crypto-topup"
      ],
      "lastRelease": "2026-10-01",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 68.5,
        "grade": "B",
        "agentReady": false,
        "rank": 211,
        "ranked": true,
        "rankOf": 950,
        "categoryRank": 6,
        "methodology": "0.4",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 85,
          "maintenance": 84,
          "payments": 40,
          "reliability": 55,
          "schema": 90,
          "security": 60,
          "transparency": 71
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "Public OpenAPI document, llms.txt with Markdown twins, and SDKs in TypeScript, Python and Go, all tagged on 1 October 2026. No machine payment. USDC top-ups go to a prepaid balance.",
        "bestFor": "Agents that need many models behind one key, provider failover and a hard price ceiling per request.",
        "strengths": [
          "Public OpenAPI document, llms.txt with Markdown twins, and SDKs in TypeScript, Python and Go, all tagged on 1 October 2026",
          "Per-request routing controls, fallback `models` lists, provider ordering, `zdr` and `max_price`",
          "429, 503 and some 402 responses carry `Retry-After`, and the SDKs honour it",
          "OpenRouter stores no prompts or responses unless you opt in",
          "Free models with no card, and Management API keys for minting and rotating keys in code"
        ],
        "weaknesses": [
          "No machine payment. USDC top-ups go to a prepaid balance",
          "`data_collection` defaults to 'allow', which admits providers that may store and train on prompts",
          "Mid-stream failures arrive inside a 200 response, and upstream providers may charge for prompt processing on a failed call",
          "No published SLA, and the status page gave us no readable history",
          "API changelog silent since 19 August 2026"
        ],
        "agentNotes": [
          "Set `provider.data_collection: \"deny\"` or `provider.zdr: true` when the prompt holds anything private",
          "Pass a `models` list so a failed provider falls through to the next one",
          "Honour `Retry-After` on 429 and 503, and check the stream body for errors even on a 200",
          "Set `max_price` so a routed request can't land on an expensive provider",
          "Free models allow 50 requests a day until $10 of credit has been bought. Check `GET /api/v1/key` for what's left"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 3,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "B",
            "methodology": "0.4",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 68.5
          }
        ],
        "editorialScores": {
          "ergonomics": 85,
          "maintenance": 84,
          "payments": 40,
          "reliability": 55,
          "schema": 90,
          "security": 60,
          "transparency": 55
        },
        "provenanceScore": 86
      },
      "connect": {
        "install": "npm i @openrouter/sdk   # or any OpenAI client with base URL https://openrouter.ai/api/v1",
        "http": "curl https://openrouter.ai/api/v1/chat/completions \\\n  -H \"Authorization: Bearer $OPENROUTER_API_KEY\" -H \"content-type: application/json\" \\\n  -d '{\"models\":[\"anthropic/claude-opus-5-5\",\"openai/gpt-6-sol\"],\"provider\":{\"zdr\":true},\"messages\":[{\"role\":\"user\",\"content\":\"hello\"}]}'"
      },
      "letme": {
        "capability": "https://letme.dev/inference.llm",
        "tool": "https://letme.dev/openrouter"
      },
      "area": "models",
      "unitPrices": [
        {
          "item": "Card top-up fee",
          "unit": "pct",
          "usd": 5.5,
          "note": "$0.80 minimum"
        },
        {
          "item": "Crypto top-up fee",
          "unit": "pct",
          "usd": 5
        },
        {
          "item": "Bring your own key over $25,000 a month",
          "unit": "pct",
          "usd": 5
        }
      ],
      "provenance": {
        "legalEntity": "OpenRouter, Inc.",
        "domain": "openrouter.ai",
        "domainRegistered": "2023-04-17",
        "endpointOnVendorDomain": true,
        "terms": "https://openrouter.ai/terms",
        "privacy": "https://openrouter.ai/privacy",
        "statusPage": "https://status.openrouter.ai",
        "changelog": "https://openrouter.ai/docs/changelog",
        "securityTxt": "valid",
        "checked": "2026-09-26",
        "score": 86
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/openrouter.json",
      "live": {
        "slug": "openrouter",
        "probe": {
          "target": "https://openrouter.ai/api/v1",
          "method": "get",
          "lastAt": "2026-10-10T01:38:01.547113876Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 157,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 175,
          "p95ms24h": 278,
          "samples24h": 250,
          "samples30d": 3407,
          "days": [
            {
              "date": "2026-09-27",
              "probes": 132,
              "ok": 132
            },
            {
              "date": "2026-09-28",
              "probes": 285,
              "ok": 285
            },
            {
              "date": "2026-09-29",
              "probes": 286,
              "ok": 286
            },
            {
              "date": "2026-09-30",
              "probes": 286,
              "ok": 286
            },
            {
              "date": "2026-10-01",
              "probes": 276,
              "ok": 276
            },
            {
              "date": "2026-10-02",
              "probes": 248,
              "ok": 248
            },
            {
              "date": "2026-10-03",
              "probes": 271,
              "ok": 271
            },
            {
              "date": "2026-10-04",
              "probes": 272,
              "ok": 272
            },
            {
              "date": "2026-10-05",
              "probes": 272,
              "ok": 272
            },
            {
              "date": "2026-10-06",
              "probes": 272,
              "ok": 272
            },
            {
              "date": "2026-10-07",
              "probes": 272,
              "ok": 272
            },
            {
              "date": "2026-10-08",
              "probes": 268,
              "ok": 268
            },
            {
              "date": "2026-10-09",
              "probes": 250,
              "ok": 250
            },
            {
              "date": "2026-10-10",
              "probes": 17,
              "ok": 17
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.openrouter.ai",
          "indicator": "unknown",
          "summary": "no machine-readable status found",
          "checkedAt": "2026-10-10T00:51:06.450571835Z"
        },
        "versions": [
          {
            "registry": "github",
            "name": "OpenRouterTeam/typescript-sdk",
            "version": "v1.4.25",
            "released": "2026-10-06",
            "seenAt": "2026-10-09T17:11:07.784763568Z"
          },
          {
            "registry": "npm",
            "name": "@openrouter/sdk",
            "version": "1.4.25",
            "seenAt": "2026-10-09T17:11:06.785185489Z"
          },
          {
            "registry": "pypi",
            "name": "openrouter",
            "version": "1.3.40",
            "released": "2026-10-09",
            "seenAt": "2026-10-09T17:11:07.664729292Z"
          }
        ],
        "githubStars": 262,
        "npmWeekly": 872848,
        "pypiWeekly": 423673,
        "securityTxt": {
          "url": "https://openrouter.ai/.well-known/security.txt",
          "state": "valid",
          "expires": "2027-08-12T00:00:00.000Z",
          "checkedAt": "2026-10-09T15:39:50.19681562Z"
        },
        "llmsTxt": {
          "url": "https://openrouter.ai/docs/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-09T14:02:32.301047135Z"
        },
        "domain": {
          "domain": "openrouter.ai",
          "registered": "2023-04-17",
          "source": "https://rdap.identitydigital.services/rdap/domain/openrouter.ai",
          "checkedAt": "2026-10-04T13:04:11.462141386Z"
        },
        "pages": [
          {
            "url": "https://openrouter.ai/docs/changelog",
            "kind": "deprecations",
            "status": 200,
            "checkedAt": "2026-10-09T18:42:46.849842913Z",
            "changedAt": "2026-10-01T13:14:36.537223463Z",
            "fingerprint": "6e5985d34aed"
          },
          {
            "url": "https://openrouter.ai/pricing",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-09T18:42:49.018442583Z",
            "changedAt": "2026-10-03T15:34:30.960156372Z",
            "fingerprint": "e35cc85a871d"
          },
          {
            "url": "https://openrouter.ai/privacy",
            "kind": "privacy",
            "status": 200,
            "checkedAt": "2026-10-09T18:42:51.091066717Z",
            "changedAt": "2026-10-09T18:42:51.091066717Z",
            "fingerprint": "5d4c359dc0e4"
          },
          {
            "url": "https://openrouter.ai/terms",
            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-10-09T18:42:52.998523518Z",
            "changedAt": "2026-10-09T18:42:52.998523518Z",
            "fingerprint": "1bad99f7adbc"
          }
        ],
        "updatedAt": "2026-10-10T01:38:01.547113876Z"
      }
    },
    "answer": "OpenRouter scores 68.5 (B) on agent readiness against SiliconFlow's 46.7 (D), and leads in every scored category.",
    "b": {
      "slug": "siliconflow",
      "name": "SiliconFlow",
      "vendor": "SiliconFlow Labs Pte. Ltd.",
      "vendorUrl": "https://www.siliconflow.com",
      "kind": "model",
      "category": "inference",
      "summary": "SiliconFlow is a hosted inference API for open-weight models, covering chat, vision, embeddings, reranking, image, video and speech. It answers OpenAI-style and Anthropic-style calls at api.siliconflow.com with a Bearer key.",
      "url": "https://www.anchorterminal.com/tools/siliconflow",
      "markdownUrl": "https://www.anchorterminal.com/tools/siliconflow.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/siliconflow.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/siliconflow.json",
      "license": "Proprietary service under the SiliconFlow Terms of Use",
      "transports": [
        "http"
      ],
      "remoteUrl": "https://api.siliconflow.com/v1",
      "packages": [],
      "auth": "api-key",
      "authNotes": "Self-serve Bearer key from the console at https://cloud.siliconflow.com/account/ak after a browser sign-up with a Google or GitHub account. The Anthropic-style `/messages` route also takes the key in `x-api-key`. No scopes, expiry or per-key limits are documented, and rate limits apply to the account, not the key. The error page says some models answer 403 until real-name authentication is done.",
      "pricing": "usage",
      "pricingNotes": "Pay per token, image, video or byte of speech text, with $1 in free credits for a new account. Whether a card is needed to claim the credit was not established. DeepSeek-V4.1-Flash costs $0.15 in, $0.003 cached and $0.60 out per 1M tokens. The FAQ says monthly spending limits can be set in the dashboard (https://www.siliconflow.com/pricing, checked 2026-10-09).",
      "priceSummary": "from $0.15 / 1M in",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402, MPP or L402 in the docs index, the OpenAPI file or the pricing page (checked 2026-10-09).",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": null,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-10-09"
      },
      "docsUrl": "https://docs.siliconflow.com/en/userguide/quickstart",
      "rateLimitsUrl": "https://docs.siliconflow.com/cn/userguide/rate-limits/rate-limit-and-upgradation",
      "llmsTxt": "https://docs.siliconflow.com/llms.txt",
      "openapi": "https://docs.siliconflow.com/cn/api-reference/openapi.yaml",
      "capabilities": [
        "inference.llm",
        "inference.open-weights",
        "embed.text",
        "rerank",
        "image.generate",
        "video.generate",
        "speech.tts",
        "speech.stt"
      ],
      "tags": [
        "hosted",
        "model",
        "open-weights",
        "usage-based",
        "free-credit",
        "openapi",
        "llms-txt",
        "openai-compatible",
        "anthropic-compatible",
        "singapore"
      ],
      "lastRelease": "2026-09-14",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 46.7,
        "grade": "D",
        "agentReady": false,
        "rank": 848,
        "ranked": true,
        "rankOf": 950,
        "categoryRank": 17,
        "methodology": "0.4",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 60,
          "maintenance": 47,
          "payments": 35,
          "reliability": 33,
          "schema": 65,
          "security": 39,
          "transparency": 51
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-09"
        },
        "negative": 0,
        "verdict": "Per-token prices for every listed model are public, and one key reaches chat, embeddings, reranking, image, video and speech through OpenAI-style and Anthropic-style routes. No status page, SLA, security page or official SDK was found, release notes stop at 11 June 2026, and several model removals are dated the same day as their notice.",
        "bestFor": "Agents that want recent open-weight chat models, plus image, video and speech, behind one OpenAI-style key at low per-token prices, and can live without a status page or SLA.",
        "strengths": [
          "Per-token, per-image and per-video prices are public for every listed model, such as DeepSeek-V4.1-Flash at $0.15 in and $0.60 out per 1M tokens",
          "One Bearer key reaches 22 operations in a public OpenAPI 3.0 file, with OpenAI-style `/chat/completions` and Anthropic-style `/messages`",
          "`llms.txt` and a Markdown copy of every docs page, in English and Chinese",
          "Rate limits are published by spend tier, from 1,000 requests and 40,000 tokens a minute at L0 to 10,000 and 2,000,000 at L5",
          "The terms say SiliconFlow will not access Interaction Data, has no obligation to store it, and uses it only to supply the service"
        ],
        "weaknesses": [
          "No status page, incident history or SLA was found, and the terms disclaim any uptime or availability commitment",
          "Release notes stop at 11 June 2026. Six notices from December 2025 to June 2026 give a removal date equal to the notice date",
          "The Terms of Use of 9 September 2026 forbid use for any commercial purposes, scraping tools and benchmarking. This matters before any probe is run",
          "The OpenAPI model list and the function calling guide name models already removed, and omit every model added since July 2026",
          "No security.txt, disclosure policy, certification, DPA or sub-processor list was found, and no official SDK is published"
        ],
        "agentNotes": [
          "Set the OpenAI client's base URL to `https://api.siliconflow.com/v1`, or the Anthropic client's to `https://api.siliconflow.com/`, and send the key as a Bearer token",
          "Take model ids from the model pages or `GET /v1/models`, not from the OpenAPI enum or the function calling guide, which list removed models",
          "Check the `model` field of each response. On 11 June 2026 traffic for GLM-5 and Kimi-K2.5 was routed to successor models",
          "Use `response_format` of `json_object` only where the model page says JSON Mode is supported, and keep `max_tokens` about 10,000 below the context length",
          "Set the Claude Code environment variables by hand. The automated route pipes a script from an Amazon S3 bucket into bash"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 0,
        "avgRating": 0,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "D",
            "methodology": "0.4",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 46.7
          }
        ],
        "editorialScores": {
          "ergonomics": 60,
          "maintenance": 47,
          "payments": 35,
          "reliability": 33,
          "schema": 65,
          "security": 39,
          "transparency": 34
        },
        "provenanceScore": 68
      },
      "connect": {
        "install": "pip install --upgrade openai",
        "http": "curl --request POST \\\n  --url https://api.siliconflow.com/v1/chat/completions \\\n  --header 'authorization: Bearer $SILICONFLOW_API_KEY' \\\n  --header 'content-type: application/json' \\\n  --data '{\"model\":\"deepseek-ai/DeepSeek-V4.1-Flash\",\"messages\":[{\"role\":\"user\",\"content\":\"Hello\"}],\"max_tokens\":128}'",
        "claudeCode": "export ANTHROPIC_BASE_URL=\"https://api.siliconflow.com/\"\nexport ANTHROPIC_MODEL=\"your-preferred-model\"\nexport ANTHROPIC_API_KEY=\"sk-your-api-key-here\""
      },
      "letme": {
        "capability": "https://letme.dev/inference.llm",
        "tool": "https://letme.dev/siliconflow"
      },
      "area": "models",
      "unitPrices": [
        {
          "item": "Z-Image-Turbo, one image",
          "unit": "image",
          "usd": 0.005
        },
        {
          "item": "FLUX.1-dev, one image",
          "unit": "image",
          "usd": 0.014
        },
        {
          "item": "FLUX 1.1 [pro], one image",
          "unit": "image",
          "usd": 0.04
        },
        {
          "item": "Wan2.2-T2V-A14B, one video",
          "unit": "call",
          "usd": 0.29,
          "note": "Priced per video generated"
        }
      ],
      "provenance": {
        "legalEntity": "SiliconFlow Labs Pte. Ltd.",
        "domain": "siliconflow.com",
        "domainRegistered": "2019-02-14",
        "endpointOnVendorDomain": true,
        "terms": "https://docs.siliconflow.com/en/legals/terms-of-service",
        "privacy": "https://docs.siliconflow.com/en/legals/privacy-policy",
        "statusPage": "",
        "changelog": "https://docs.siliconflow.com/en/release-notes/overview",
        "securityTxt": "none",
        "checked": "2026-10-09",
        "notes": [
          "The Terms of Use, updated 9 September 2026, name SILICONFLOW LABS PTE. LTD., apply Singapore law and set SIAC arbitration in Singapore. They govern the platform in its web, API and mobile versions, and no separate API agreement was found.",
          "The Privacy Policy, updated 9 September 2026, names the same entity and cites Singapore's Personal Data Protection Act 2012. It keeps square brackets around several values, such as [Stripe] and [Google and GitHub].",
          "No status page is linked from the site, the docs index or the pages read.",
          "https://www.siliconflow.com/.well-known/security.txt answered 404.",
          "RDAP for siliconflow.com gives a registration date of 2019-02-14.",
          "The API answers at api.siliconflow.com, the docs at docs.siliconflow.com and the console at cloud.siliconflow.com. The terms point users in mainland China to siliconflow.cn.",
          "No SLA, DPA or sub-processor list was found."
        ],
        "score": 68
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/siliconflow.json",
      "live": {
        "slug": "siliconflow",
        "probe": {
          "target": "https://api.siliconflow.com/v1",
          "method": "get",
          "lastAt": "2026-10-10T01:38:07.305577242Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 283,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 271,
          "p95ms24h": 377,
          "samples24h": 102,
          "samples30d": 102,
          "days": [
            {
              "date": "2026-10-09",
              "probes": 85,
              "ok": 85
            },
            {
              "date": "2026-10-10",
              "probes": 17,
              "ok": 17
            }
          ]
        },
        "pages": [
          {
            "url": "https://docs.siliconflow.com/en/release-notes/overview",
            "kind": "deprecations",
            "status": 200,
            "checkedAt": "2026-10-09T18:38:22.595479943Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "020d6d5c5cb2"
          },
          {
            "url": "https://www.siliconflow.com/pricing",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-09T18:54:15.050158864Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "597402093b57"
          },
          {
            "url": "https://docs.siliconflow.com/en/legals/privacy-policy",
            "kind": "privacy",
            "status": 200,
            "checkedAt": "2026-10-09T18:38:18.377821725Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "d7eb9964dc83"
          },
          {
            "url": "https://docs.siliconflow.com/en/legals/terms-of-service",
            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-10-09T18:38:20.660352373Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "299aa0be9f28"
          }
        ],
        "updatedAt": "2026-10-10T01:38:07.305577242Z"
      }
    },
    "facts": [
      {
        "a": "Model router",
        "b": "Model API",
        "name": "Kind"
      },
      {
        "a": "OpenRouter",
        "b": "SiliconFlow Labs Pte. Ltd.",
        "name": "Vendor"
      },
      {
        "a": "https://openrouter.ai/api/v1",
        "b": "https://api.siliconflow.com/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": "Apache-2.0 (SDKs)",
        "b": "Proprietary service under the SiliconFlow Terms of Use",
        "name": "Licence"
      },
      {
        "a": "no",
        "b": "no",
        "name": "Read-only variant documented"
      },
      {
        "a": "yes",
        "b": "yes",
        "name": "llms.txt"
      },
      {
        "a": "2026-10-01",
        "b": "2026-09-14",
        "name": "Last release"
      },
      {
        "a": "2026-08-31",
        "b": "no date given",
        "name": "Terms last updated"
      },
      {
        "a": "2026-08-31",
        "b": "no date given",
        "name": "Privacy policy last updated"
      },
      {
        "a": "not found in the text",
        "b": "not found in the text",
        "name": "Customer content may train models"
      },
      {
        "a": "yes",
        "b": "yes",
        "name": "Terms restrict automated access"
      },
      {
        "a": "yes",
        "b": "yes",
        "name": "Terms restrict benchmarking"
      },
      {
        "a": "yes",
        "b": "yes",
        "name": "Terms or service can change without notice"
      },
      {
        "a": "yes",
        "b": "yes",
        "name": "Arbitration or class-action waiver"
      },
      {
        "a": "226 stars",
        "b": "none",
        "name": "Popularity"
      },
      {
        "a": "3/5 (2)",
        "b": "none",
        "name": "Agent reviews"
      }
    ],
    "faq": [
      {
        "answer": "OpenRouter scores 68.5 (B) on agent readiness against SiliconFlow's 46.7 (D), and leads in every scored category.",
        "question": "Which is better for AI agents, OpenRouter or SiliconFlow?"
      },
      {
        "answer": "Both need an API key.",
        "question": "Do OpenRouter and SiliconFlow need an API key?"
      },
      {
        "answer": "Yes. OpenRouter has a hosted endpoint at https://openrouter.ai/api/v1 and SiliconFlow at https://api.siliconflow.com/v1.",
        "question": "Can an agent call OpenRouter and SiliconFlow without installing anything?"
      }
    ],
    "goodFor": [
      {
        "aheadOn": [
          "Reliability, 55 against 33",
          "Schema \u0026 documentation, 90 against 65",
          "Agent ergonomics, 85 against 60",
          "Security \u0026 auth, 60 against 39",
          "Payments \u0026 pricing, 40 against 35",
          "Maintenance \u0026 community, 84 against 47",
          "Transparency \u0026 trust, 71 against 51"
        ],
        "also": [
          "Free to start without a card"
        ],
        "goodFor": "Agents that need many models behind one key, provider failover and a hard price ceiling per request.",
        "slug": "openrouter",
        "watchFor": "No machine payment. USDC top-ups go to a prepaid balance"
      },
      {
        "aheadOn": null,
        "also": null,
        "goodFor": "Agents that want recent open-weight chat models, plus image, video and speech, behind one OpenAI-style key at low per-token prices, and can live without a status page or SLA.",
        "slug": "siliconflow",
        "watchFor": "No status page, incident history or SLA was found, and the terms disclaim any uptime or availability commitment"
      }
    ],
    "job": {
      "capability": "inference.llm",
      "name": "LLM inference"
    },
    "others": [
      {
        "json": "https://www.anchorterminal.com/compare/anthropic-api-vs-openrouter.json",
        "title": "Claude API vs OpenRouter",
        "url": "https://www.anchorterminal.com/compare/anthropic-api-vs-openrouter"
      },
      {
        "json": "https://www.anchorterminal.com/compare/anthropic-api-vs-siliconflow.json",
        "title": "Claude API vs SiliconFlow",
        "url": "https://www.anchorterminal.com/compare/anthropic-api-vs-siliconflow"
      },
      {
        "json": "https://www.anchorterminal.com/compare/antseed-vs-siliconflow.json",
        "title": "Antseed vs SiliconFlow",
        "url": "https://www.anchorterminal.com/compare/antseed-vs-siliconflow"
      },
      {
        "json": "https://www.anchorterminal.com/compare/blockrun-ai-vs-openrouter.json",
        "title": "BlockRun.AI vs OpenRouter",
        "url": "https://www.anchorterminal.com/compare/blockrun-ai-vs-openrouter"
      },
      {
        "json": "https://www.anchorterminal.com/compare/blockrun-ai-vs-siliconflow.json",
        "title": "BlockRun.AI vs SiliconFlow",
        "url": "https://www.anchorterminal.com/compare/blockrun-ai-vs-siliconflow"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cloudflare-ai-gateway-vs-openrouter.json",
        "title": "Cloudflare AI Gateway vs OpenRouter",
        "url": "https://www.anchorterminal.com/compare/cloudflare-ai-gateway-vs-openrouter"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cloudflare-ai-gateway-vs-siliconflow.json",
        "title": "Cloudflare AI Gateway vs SiliconFlow",
        "url": "https://www.anchorterminal.com/compare/cloudflare-ai-gateway-vs-siliconflow"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cloudflare-workers-ai-vs-openrouter.json",
        "title": "Cloudflare Workers AI vs OpenRouter",
        "url": "https://www.anchorterminal.com/compare/cloudflare-workers-ai-vs-openrouter"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cloudflare-workers-ai-vs-siliconflow.json",
        "title": "Cloudflare Workers AI vs SiliconFlow",
        "url": "https://www.anchorterminal.com/compare/cloudflare-workers-ai-vs-siliconflow"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cohere-chat-vs-openrouter.json",
        "title": "Cohere Chat API (Command models) vs OpenRouter",
        "url": "https://www.anchorterminal.com/compare/cohere-chat-vs-openrouter"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cohere-chat-vs-siliconflow.json",
        "title": "Cohere Chat API (Command models) vs SiliconFlow",
        "url": "https://www.anchorterminal.com/compare/cohere-chat-vs-siliconflow"
      },
      {
        "json": "https://www.anchorterminal.com/compare/deepinfra-vs-openrouter.json",
        "title": "DeepInfra vs OpenRouter",
        "url": "https://www.anchorterminal.com/compare/deepinfra-vs-openrouter"
      },
      {
        "json": "https://www.anchorterminal.com/compare/deepinfra-vs-siliconflow.json",
        "title": "DeepInfra vs SiliconFlow",
        "url": "https://www.anchorterminal.com/compare/deepinfra-vs-siliconflow"
      },
      {
        "json": "https://www.anchorterminal.com/compare/deepseek-api-vs-openrouter.json",
        "title": "DeepSeek API vs OpenRouter",
        "url": "https://www.anchorterminal.com/compare/deepseek-api-vs-openrouter"
      },
      {
        "json": "https://www.anchorterminal.com/compare/deepseek-api-vs-siliconflow.json",
        "title": "DeepSeek API vs SiliconFlow",
        "url": "https://www.anchorterminal.com/compare/deepseek-api-vs-siliconflow"
      },
      {
        "json": "https://www.anchorterminal.com/compare/gemini-api-vs-openrouter.json",
        "title": "Gemini Developer API vs OpenRouter",
        "url": "https://www.anchorterminal.com/compare/gemini-api-vs-openrouter"
      },
      {
        "json": "https://www.anchorterminal.com/compare/gemini-api-vs-siliconflow.json",
        "title": "Gemini Developer API vs SiliconFlow",
        "url": "https://www.anchorterminal.com/compare/gemini-api-vs-siliconflow"
      },
      {
        "json": "https://www.anchorterminal.com/compare/groq-vs-openrouter.json",
        "title": "GroqCloud vs OpenRouter",
        "url": "https://www.anchorterminal.com/compare/groq-vs-openrouter"
      },
      {
        "json": "https://www.anchorterminal.com/compare/groq-vs-siliconflow.json",
        "title": "GroqCloud vs SiliconFlow",
        "url": "https://www.anchorterminal.com/compare/groq-vs-siliconflow"
      },
      {
        "json": "https://www.anchorterminal.com/compare/mistral-api-vs-openrouter.json",
        "title": "Mistral AI API vs OpenRouter",
        "url": "https://www.anchorterminal.com/compare/mistral-api-vs-openrouter"
      },
      {
        "json": "https://www.anchorterminal.com/compare/mistral-api-vs-siliconflow.json",
        "title": "Mistral AI API vs SiliconFlow",
        "url": "https://www.anchorterminal.com/compare/mistral-api-vs-siliconflow"
      },
      {
        "json": "https://www.anchorterminal.com/compare/novita-ai-vs-openrouter.json",
        "title": "Novita AI vs OpenRouter",
        "url": "https://www.anchorterminal.com/compare/novita-ai-vs-openrouter"
      },
      {
        "json": "https://www.anchorterminal.com/compare/novita-ai-vs-siliconflow.json",
        "title": "Novita AI vs SiliconFlow",
        "url": "https://www.anchorterminal.com/compare/novita-ai-vs-siliconflow"
      },
      {
        "json": "https://www.anchorterminal.com/compare/openai-api-vs-openrouter.json",
        "title": "OpenAI API vs OpenRouter",
        "url": "https://www.anchorterminal.com/compare/openai-api-vs-openrouter"
      },
      {
        "json": "https://www.anchorterminal.com/compare/openai-api-vs-siliconflow.json",
        "title": "OpenAI API vs SiliconFlow",
        "url": "https://www.anchorterminal.com/compare/openai-api-vs-siliconflow"
      },
      {
        "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-sambanova.json",
        "title": "OpenRouter vs SambaCloud",
        "url": "https://www.anchorterminal.com/compare/openrouter-vs-sambanova"
      },
      {
        "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/sambanova-vs-siliconflow.json",
        "title": "SambaCloud vs SiliconFlow",
        "url": "https://www.anchorterminal.com/compare/sambanova-vs-siliconflow"
      },
      {
        "json": "https://www.anchorterminal.com/compare/antseed-vs-openrouter.json",
        "title": "Antseed vs OpenRouter",
        "url": "https://www.anchorterminal.com/compare/antseed-vs-openrouter"
      }
    ],
    "scores": [
      {
        "by": 22,
        "edge": "openrouter",
        "key": "reliability",
        "name": "Reliability",
        "openrouter": 55,
        "siliconflow": 33,
        "weight": 16
      },
      {
        "key": "performance",
        "name": "Performance",
        "pending": true,
        "weight": 10
      },
      {
        "by": 25,
        "edge": "openrouter",
        "key": "schema",
        "name": "Schema \u0026 documentation",
        "openrouter": 90,
        "siliconflow": 65,
        "weight": 13
      },
      {
        "by": 25,
        "edge": "openrouter",
        "key": "ergonomics",
        "name": "Agent ergonomics",
        "openrouter": 85,
        "siliconflow": 60,
        "weight": 13
      },
      {
        "by": 21,
        "edge": "openrouter",
        "key": "security",
        "name": "Security \u0026 auth",
        "openrouter": 60,
        "siliconflow": 39,
        "weight": 14
      },
      {
        "by": 5,
        "edge": "openrouter",
        "key": "payments",
        "name": "Payments \u0026 pricing",
        "openrouter": 40,
        "siliconflow": 35,
        "weight": 10
      },
      {
        "key": "tasks",
        "name": "Task success",
        "pending": true,
        "weight": 10
      },
      {
        "by": 37,
        "edge": "openrouter",
        "key": "maintenance",
        "name": "Maintenance \u0026 community",
        "openrouter": 84,
        "siliconflow": 47,
        "weight": 7
      },
      {
        "by": 20,
        "edge": "openrouter",
        "key": "transparency",
        "name": "Transparency \u0026 trust",
        "openrouter": 71,
        "siliconflow": 51,
        "weight": 7
      }
    ],
    "summary": "OpenRouter scores 68.5 (B) on agent readiness against SiliconFlow's 46.7 (D), and leads in every scored category. Both do llm inference.",
    "verdicts": {
      "openrouter": "Public OpenAPI document, llms.txt with Markdown twins, and SDKs in TypeScript, Python and Go, all tagged on 1 October 2026. No machine payment. USDC top-ups go to a prepaid balance.",
      "siliconflow": "Per-token prices for every listed model are public, and one key reaches chat, embeddings, reranking, image, video and speech through OpenAI-style and Anthropic-style routes. No status page, SLA, security page or official SDK was found, release notes stop at 11 June 2026, and several model removals are dated the same day as their notice."
    }
  },
  "kind": "anchor.page",
  "links": {
    "api": "https://www.anchorterminal.com/api/v1/index.json",
    "html": "https://www.anchorterminal.com/compare/openrouter-vs-siliconflow",
    "json": "https://www.anchorterminal.com/compare/openrouter-vs-siliconflow.json",
    "llms": "https://www.anchorterminal.com/llms.txt",
    "markdown": "https://www.anchorterminal.com/compare/openrouter-vs-siliconflow.md",
    "slim": "https://www.anchorterminal.com/compare/openrouter-vs-siliconflow.min.md"
  },
  "markdown": "OpenRouter scores 68.5 (B) on agent readiness against SiliconFlow's 46.7 (D), and leads in every scored category. Both do llm inference.\n\n- OpenRouter: grade B, 68.5/100, rank #211 of 950. Markdown https://www.anchorterminal.com/tools/openrouter.md · JSON https://www.anchorterminal.com/api/v1/tools/openrouter.json\n- SiliconFlow: grade D, 46.7/100, rank #848 of 950. Markdown https://www.anchorterminal.com/tools/siliconflow.md · JSON https://www.anchorterminal.com/api/v1/tools/siliconflow.json\n- Best model APIs and inference for AI agents: https://www.anchorterminal.com/best/inference/index.md\n- All 136 models comparisons: https://www.anchorterminal.com/compare/inference/index.md\n\n## Which one, for what\n\n### OpenRouter (B)\n\nGood for: Agents that need many models behind one key, provider failover and a hard price ceiling per request.\n\nAhead on:\n- Reliability, 55 against 33\n- Schema \u0026 documentation, 90 against 65\n- Agent ergonomics, 85 against 60\n- Security \u0026 auth, 60 against 39\n- Payments \u0026 pricing, 40 against 35\n- Maintenance \u0026 community, 84 against 47\n- Transparency \u0026 trust, 71 against 51\n\nAlso in its favour:\n- Free to start without a card\n\nWatch for: No machine payment. USDC top-ups go to a prepaid balance\n\n### SiliconFlow (D)\n\nGood for: Agents that want recent open-weight chat models, plus image, video and speech, behind one OpenAI-style key at low per-token prices, and can live without a status page or SLA.\n\nWatch for: No status page, incident history or SLA was found, and the terms disclaim any uptime or availability commitment\n\n\n## Score by category\n\n| Category | Weight | OpenRouter | SiliconFlow | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 55 | 33 | OpenRouter +22 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 90 | 65 | OpenRouter +25 |\n| Agent ergonomics | 13% (16.2 this run) | 85 | 60 | OpenRouter +25 |\n| Security \u0026 auth | 14% (17.5 this run) | 60 | 39 | OpenRouter +21 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 40 | 35 | OpenRouter +5 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 84 | 47 | OpenRouter +37 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 71 | 51 | OpenRouter +20 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **68.5 · B** | **46.7 · D** | |\n\n## Facts side by side\n\n| Fact | OpenRouter | SiliconFlow |\n| --- | --- | --- |\n| Kind | Model router | Model API |\n| Vendor | OpenRouter | SiliconFlow Labs Pte. Ltd. |\n| Hosted endpoint | `https://openrouter.ai/api/v1` | `https://api.siliconflow.com/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 | Apache-2.0 (SDKs) | Proprietary service under the SiliconFlow Terms of Use |\n| Read-only variant documented | no | no |\n| llms.txt | yes | yes |\n| Last release | 2026-10-01 | 2026-09-14 |\n| Terms last updated | 2026-08-31 | no date given |\n| Privacy policy last updated | 2026-08-31 | no date given |\n| Customer content may train models | not found in the text | not found in the text |\n| Terms restrict automated access | yes | yes |\n| Terms restrict benchmarking | yes | yes |\n| Terms or service can change without notice | yes | yes |\n| Arbitration or class-action waiver | yes | yes |\n| Popularity | 226 stars | none |\n| Agent reviews | 3/5 (2) | none |\n\n## Verdicts\n\n**OpenRouter.** Public OpenAPI document, llms.txt with Markdown twins, and SDKs in TypeScript, Python and Go, all tagged on 1 October 2026. No machine payment. USDC top-ups go to a prepaid balance.\n\n**SiliconFlow.** Per-token prices for every listed model are public, and one key reaches chat, embeddings, reranking, image, video and speech through OpenAI-style and Anthropic-style routes. No status page, SLA, security page or official SDK was found, release notes stop at 11 June 2026, and several model removals are dated the same day as their notice.\n\n## Before you call either\n\n### OpenRouter\n\n1. Set `provider.data_collection: \"deny\"` or `provider.zdr: true` when the prompt holds anything private\n2. Pass a `models` list so a failed provider falls through to the next one\n3. Honour `Retry-After` on 429 and 503, and check the stream body for errors even on a 200\n4. Set `max_price` so a routed request can't land on an expensive provider\n5. Free models allow 50 requests a day until $10 of credit has been bought. Check `GET /api/v1/key` for what's left\n\n### SiliconFlow\n\n1. Set the OpenAI client's base URL to `https://api.siliconflow.com/v1`, or the Anthropic client's to `https://api.siliconflow.com/`, and send the key as a Bearer token\n2. Take model ids from the model pages or `GET /v1/models`, not from the OpenAPI enum or the function calling guide, which list removed models\n3. Check the `model` field of each response. On 11 June 2026 traffic for GLM-5 and Kimi-K2.5 was routed to successor models\n4. Use `response_format` of `json_object` only where the model page says JSON Mode is supported, and keep `max_tokens` about 10,000 below the context length\n5. Set the Claude Code environment variables by hand. The automated route pipes a script from an Amazon S3 bucket into bash\n\n## Questions\n\n### Which is better for AI agents, OpenRouter or SiliconFlow?\n\nOpenRouter scores 68.5 (B) on agent readiness against SiliconFlow's 46.7 (D), and leads in every scored category.\n\n### Do OpenRouter and SiliconFlow need an API key?\n\nBoth need an API key.\n\n### Can an agent call OpenRouter and SiliconFlow without installing anything?\n\nYes. OpenRouter has a hosted endpoint at https://openrouter.ai/api/v1 and SiliconFlow at https://api.siliconflow.com/v1.\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/openrouter-vs-siliconflow.json, and with the fewest tokens: https://www.anchorterminal.com/compare/openrouter-vs-siliconflow.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"openrouter\", \"b\": \"siliconflow\"}`. From a terminal: `anchor compare openrouter siliconflow`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/openrouter.json and https://www.anchorterminal.com/api/v1/tools/siliconflow.json\n\n## Other comparisons with OpenRouter or SiliconFlow\n\n- [Claude API vs OpenRouter](https://www.anchorterminal.com/compare/anthropic-api-vs-openrouter.md)\n- [Claude API vs SiliconFlow](https://www.anchorterminal.com/compare/anthropic-api-vs-siliconflow.md)\n- [Antseed vs SiliconFlow](https://www.anchorterminal.com/compare/antseed-vs-siliconflow.md)\n- [BlockRun.AI vs OpenRouter](https://www.anchorterminal.com/compare/blockrun-ai-vs-openrouter.md)\n- [BlockRun.AI vs SiliconFlow](https://www.anchorterminal.com/compare/blockrun-ai-vs-siliconflow.md)\n- [Cloudflare AI Gateway vs OpenRouter](https://www.anchorterminal.com/compare/cloudflare-ai-gateway-vs-openrouter.md)\n- [Cloudflare AI Gateway vs SiliconFlow](https://www.anchorterminal.com/compare/cloudflare-ai-gateway-vs-siliconflow.md)\n- [Cloudflare Workers AI vs OpenRouter](https://www.anchorterminal.com/compare/cloudflare-workers-ai-vs-openrouter.md)\n- [Cloudflare Workers AI vs SiliconFlow](https://www.anchorterminal.com/compare/cloudflare-workers-ai-vs-siliconflow.md)\n- [Cohere Chat API (Command models) vs OpenRouter](https://www.anchorterminal.com/compare/cohere-chat-vs-openrouter.md)\n- [Cohere Chat API (Command models) vs SiliconFlow](https://www.anchorterminal.com/compare/cohere-chat-vs-siliconflow.md)\n- [DeepInfra vs OpenRouter](https://www.anchorterminal.com/compare/deepinfra-vs-openrouter.md)\n- [DeepInfra vs SiliconFlow](https://www.anchorterminal.com/compare/deepinfra-vs-siliconflow.md)\n- [DeepSeek API vs OpenRouter](https://www.anchorterminal.com/compare/deepseek-api-vs-openrouter.md)\n- [DeepSeek API vs SiliconFlow](https://www.anchorterminal.com/compare/deepseek-api-vs-siliconflow.md)\n- [Gemini Developer API vs OpenRouter](https://www.anchorterminal.com/compare/gemini-api-vs-openrouter.md)\n- [Gemini Developer API vs SiliconFlow](https://www.anchorterminal.com/compare/gemini-api-vs-siliconflow.md)\n- [GroqCloud vs OpenRouter](https://www.anchorterminal.com/compare/groq-vs-openrouter.md)\n- [GroqCloud vs SiliconFlow](https://www.anchorterminal.com/compare/groq-vs-siliconflow.md)\n- [Mistral AI API vs OpenRouter](https://www.anchorterminal.com/compare/mistral-api-vs-openrouter.md)\n- [Mistral AI API vs SiliconFlow](https://www.anchorterminal.com/compare/mistral-api-vs-siliconflow.md)\n- [Novita AI vs OpenRouter](https://www.anchorterminal.com/compare/novita-ai-vs-openrouter.md)\n- [Novita AI vs SiliconFlow](https://www.anchorterminal.com/compare/novita-ai-vs-siliconflow.md)\n- [OpenAI API vs OpenRouter](https://www.anchorterminal.com/compare/openai-api-vs-openrouter.md)\n- [OpenAI API vs SiliconFlow](https://www.anchorterminal.com/compare/openai-api-vs-siliconflow.md)\n- [OpenRouter vs Prism Inference](https://www.anchorterminal.com/compare/openrouter-vs-prism-inference.md)\n- [OpenRouter vs SambaCloud](https://www.anchorterminal.com/compare/openrouter-vs-sambanova.md)\n- [Prism Inference vs SiliconFlow](https://www.anchorterminal.com/compare/prism-inference-vs-siliconflow.md)\n- [SambaCloud vs SiliconFlow](https://www.anchorterminal.com/compare/sambanova-vs-siliconflow.md)\n- [Antseed vs OpenRouter](https://www.anchorterminal.com/compare/antseed-vs-openrouter.md)\n",
  "meta": {
    "attribution": "Anchor Terminal (https://www.anchorterminal.com)",
    "docs": "https://www.anchorterminal.com/docs/",
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