{
  "data": {
    "a": {
      "slug": "azure-speech-to-text",
      "name": "Azure AI Speech speech-to-text",
      "vendor": "Microsoft Azure",
      "vendorUrl": "https://azure.microsoft.com/en-us/products/ai-services/speech-to-text",
      "kind": "model",
      "category": "speech-to-text",
      "summary": "Azure's speech-to-text service for transcribing audio.",
      "url": "https://www.anchorterminal.com/tools/azure-speech-to-text",
      "markdownUrl": "https://www.anchorterminal.com/tools/azure-speech-to-text.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/azure-speech-to-text.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/azure-speech-to-text.json",
      "repo": "https://github.com/Azure-Samples/cognitive-services-speech-sdk",
      "license": "MIT (samples), SDK under Microsoft's own licence",
      "transports": [
        "http"
      ],
      "remoteUrl": "https://eastus.api.cognitive.microsoft.com/speechtotext",
      "packages": [
        {
          "registry": "pypi",
          "name": "azure-cognitiveservices-speech"
        },
        {
          "registry": "npm",
          "name": "microsoft-cognitiveservices-speech-sdk"
        }
      ],
      "auth": "mixed",
      "authNotes": "`Ocp-Apim-Subscription-Key` header with a Speech resource key, or a Microsoft Entra ID bearer token (Microsoft's recommended keyless option). Endpoints are per region or per resource.",
      "pricing": "freemium",
      "pricingNotes": "Free F0 tier with 5 audio hours a month of real-time. Pay as you go in East US is $1 an hour real-time, $0.36 fast transcription, $0.18 batch, $1.20 custom real-time. Diarisation and continuous language ID in real time add $0.30 an hour each. MAI-Transcribe-2 is $0.10 an hour until 2026-12-31. Commitment tiers from $1,600 a month for 2,000 hours (https://azure.microsoft.com/en-us/pricing/details/speech/).",
      "priceSummary": "Freemium",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No machine payment. Billing runs through a cloud account with a card or invoice.",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": 3450,
        "npmWeekly": 475621,
        "pypiWeekly": 1032532,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://learn.microsoft.com/en-us/azure/ai-services/speech-service/speech-to-text",
      "capabilities": [
        "speech.stt",
        "speech.streaming",
        "speech.batch",
        "speech.diarisation",
        "speech.languages",
        "speech.translation"
      ],
      "tags": [
        "hosted",
        "freemium",
        "free-tier",
        "closed-source",
        "python",
        "typescript",
        "enterprise",
        "streaming",
        "batch",
        "async-jobs",
        "webhooks"
      ],
      "lastRelease": "2026-09-28",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 77,
        "grade": "BB",
        "agentReady": true,
        "rank": 23,
        "ranked": true,
        "rankOf": 452,
        "categoryRank": 1,
        "methodology": "0.3",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 75,
          "maintenance": 80,
          "payments": 20,
          "reliability": 90,
          "schema": 80,
          "security": 95,
          "transparency": 88
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "Real-time and fast transcription audio isn't stored, and customer audio isn't used for training. MAI-Transcribe-2 is preview with no SLA, and its $0.10 promotional price ends on 2026-12-31.",
        "strengths": [
          "Real-time and fast transcription audio isn't stored, and customer audio isn't used for training",
          "Fast transcription returns files up to 5 hours and 500 MB in one synchronous call",
          "Batch at $0.18 an hour, and a free F0 tier with 5 real-time hours a month",
          "429 guidance with a concrete backoff pattern of 1, 2, 4 and 4 minutes",
          "Keys or Entra ID tokens with role-based access"
        ],
        "weaknesses": [
          "MAI-Transcribe-2 is preview with no SLA, and its $0.10 promotional price ends on 2026-12-31",
          "Real-time diarisation and language ID add $0.30 an hour each",
          "REST API v3.0 and the v3.2 previews were retired on 2026-03-31, and older samples still target them",
          "No llms.txt, and the pricing page needs JavaScript",
          "An Azure subscription needs a card, even for the F0 tier"
        ],
        "agentNotes": [
          "Use fast transcription (`transcriptions:transcribe`) for files under 5 hours and 500 MB, and batch for bulk jobs",
          "Pin `api-version=2025-10-15`. v3.0 and the v3.2 previews are retired",
          "On a 429, back off 1, 2, 4 then 4 minutes. It usually means autoscaling, not a quota",
          "Set `timeToLive` on batch jobs or delete results, otherwise transcripts stay in Microsoft storage",
          "Don't budget on MAI-Transcribe-2 at $0.10 an hour after 2026-12-31"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 8,
        "avgRating": 3.3,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "BB",
            "methodology": "0.3",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 77
          }
        ],
        "editorialScores": {
          "ergonomics": 75,
          "maintenance": 80,
          "payments": 20,
          "reliability": 90,
          "schema": 80,
          "security": 95,
          "transparency": 80
        },
        "provenanceScore": 95
      },
      "connect": {
        "install": "pip install azure-cognitiveservices-speech   # or: npm i microsoft-cognitiveservices-speech-sdk",
        "http": "curl -X POST \"https://$AZURE_SPEECH_RESOURCE.cognitiveservices.azure.com/speechtotext/transcriptions:transcribe?api-version=2025-10-15\" \\\n  -H \"Ocp-Apim-Subscription-Key: $AZURE_SPEECH_KEY\" \\\n  -F \"audio=@call.wav\" -F 'definition={\"locales\":[\"en-US\"]}'"
      },
      "letme": {
        "capability": "https://letme.dev/speech.stt",
        "tool": "https://letme.dev/azure-speech-to-text"
      },
      "sameCompany": [
        "azure-foundry-fine-tuning",
        "azure-ai-content-safety",
        "azure-text-to-speech",
        "microsoft-learn-mcp",
        "playwright-mcp",
        "azure-mcp",
        "azure-translator",
        "microsoft-graph-calendar"
      ],
      "area": "voice",
      "unitPrices": [
        {
          "item": "Real-time standard",
          "unit": "audio-minute",
          "usd": 0.0167,
          "note": "$1 an hour, East US"
        },
        {
          "item": "Fast transcription",
          "unit": "audio-minute",
          "usd": 0.006,
          "note": "$0.36 an hour"
        },
        {
          "item": "Batch standard",
          "unit": "audio-minute",
          "usd": 0.003,
          "note": "$0.18 an hour"
        },
        {
          "item": "MAI-Transcribe-2 (preview)",
          "unit": "audio-minute",
          "usd": 0.00167,
          "note": "$0.10 an hour, promotional until 2026-12-31"
        },
        {
          "item": "Custom real-time",
          "unit": "audio-minute",
          "usd": 0.02,
          "note": "$1.20 an hour, plus endpoint hosting"
        },
        {
          "item": "Real-time add-on (diarisation or language ID)",
          "unit": "audio-minute",
          "usd": 0.005,
          "note": "$0.30 an hour per feature"
        }
      ],
      "provenance": {
        "legalEntity": "Microsoft Corporation",
        "domain": "microsoft.com",
        "domainRegistered": "1991-05-02",
        "domainNote": "Endpoints are on speech.microsoft.com, api.cognitive.microsoft.com and cognitiveservices.azure.com. microsoft.com publishes a security.txt, but it passed its Expires date on 2026-09-23.",
        "endpointOnVendorDomain": true,
        "terms": "https://www.microsoft.com/licensing/terms/",
        "privacy": "https://privacy.microsoft.com/en-us/privacystatement",
        "statusPage": "https://azure.status.microsoft/en-us/status",
        "changelog": "https://learn.microsoft.com/en-us/azure/ai-services/speech-service/releasenotes",
        "securityTxt": "expired",
        "checked": "2026-09-30",
        "score": 95
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/azure-speech-to-text.json",
      "live": {
        "slug": "azure-speech-to-text",
        "probe": {
          "target": "https://eastus.api.cognitive.microsoft.com/speechtotext",
          "method": "get",
          "lastAt": "2026-10-04T23:48:04.612036064Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 329,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 332,
          "p95ms24h": 391,
          "samples24h": 272,
          "samples30d": 1100,
          "days": [
            {
              "date": "2026-09-30",
              "probes": 35,
              "ok": 35
            },
            {
              "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": 270,
              "ok": 270
            }
          ]
        },
        "vendorStatus": {
          "page": "https://azure.status.microsoft/en-us/status",
          "indicator": "unknown",
          "summary": "no machine-readable status found",
          "checkedAt": "2026-10-04T21:39:49.706276597Z"
        },
        "versions": [
          {
            "registry": "github",
            "name": "Azure-Samples/cognitive-services-speech-sdk",
            "version": "ingestion-v2.1.13",
            "released": "2026-07-10",
            "seenAt": "2026-10-04T16:21:35.861804644Z"
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            "seenAt": "2026-10-04T16:21:35.450134716Z"
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          {
            "registry": "pypi",
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            "released": "2026-09-28",
            "seenAt": "2026-10-04T16:21:35.259257344Z"
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        ],
        "githubStars": 3450,
        "npmWeekly": 508156,
        "pypiWeekly": 762825,
        "securityTxt": {
          "url": "https://microsoft.com/.well-known/security.txt",
          "state": "expired",
          "expires": "2026-09-23T16:00:00.000Z",
          "checkedAt": "2026-10-04T15:16:01.36832038Z"
        },
        "domain": {
          "domain": "microsoft.com",
          "registered": "1991-05-02",
          "source": "https://rdap.verisign.com/com/v1/domain/microsoft.com",
          "checkedAt": "2026-10-04T13:04:13.488857536Z"
        },
        "pages": [
          {
            "url": "https://learn.microsoft.com/en-us/azure/ai-services/speech-service/releasenotes",
            "kind": "changelog",
            "status": 304,
            "checkedAt": "2026-10-04T15:45:30.876444067Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "2950544cc00c"
          },
          {
            "url": "https://learn.microsoft.com/en-us/azure/ai-services/speech-service/mai-transcribe",
            "kind": "deprecations",
            "status": 304,
            "checkedAt": "2026-10-04T15:45:28.887604282Z",
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            "fingerprint": "ebf9086dffd9"
          },
          {
            "url": "https://learn.microsoft.com/en-us/azure/ai-services/speech-service/rest-speech-to-text",
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            "status": 304,
            "checkedAt": "2026-10-04T15:45:32.859554147Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "fd2ed8814ecb"
          },
          {
            "url": "https://azure.microsoft.com/en-us/pricing/details/speech/",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-04T15:41:26.501161098Z",
            "changedAt": "2026-10-02T15:17:47.510097164Z",
            "fingerprint": "61d50da4e330"
          },
          {
            "url": "https://privacy.microsoft.com/en-us/privacystatement",
            "kind": "privacy",
            "status": 200,
            "checkedAt": "2026-10-01T13:14:57.860748137Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "07484a06f35c"
          },
          {
            "url": "https://www.microsoft.com/licensing/terms/",
            "kind": "terms",
            "status": 502,
            "checkedAt": "2026-10-01T13:17:52.720054167Z",
            "changedAt": "0001-01-01T00:00:00Z"
          }
        ],
        "updatedAt": "2026-10-04T23:48:04.612036064Z"
      }
    },
    "b": {
      "slug": "elevenlabs-scribe",
      "name": "ElevenLabs Scribe Speech to Text API",
      "vendor": "ElevenLabs",
      "vendorUrl": "https://elevenlabs.io",
      "kind": "model",
      "category": "speech-to-text",
      "summary": "ElevenLabs' speech-to-text service for audio transcription.",
      "url": "https://www.anchorterminal.com/tools/elevenlabs-scribe",
      "markdownUrl": "https://www.anchorterminal.com/tools/elevenlabs-scribe.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/elevenlabs-scribe.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/elevenlabs-scribe.json",
      "repo": "https://github.com/elevenlabs/elevenlabs-python",
      "license": "MIT (SDKs)",
      "transports": [
        "http",
        "stdio"
      ],
      "remoteUrl": "https://api.elevenlabs.io/v1",
      "packages": [
        {
          "registry": "npm",
          "name": "@elevenlabs/elevenlabs-js"
        },
        {
          "registry": "pypi",
          "name": "elevenlabs"
        },
        {
          "registry": "pypi",
          "name": "elevenlabs-mcp"
        }
      ],
      "auth": "api-key",
      "authNotes": "`xi-api-key` header on `POST /v1/speech-to-text` and the realtime WebSocket. The hosted MCP server doesn't expose transcription. Only the deprecated local `elevenlabs-mcp` server has a `speech_to_text` tool.",
      "pricing": "freemium",
      "pricingNotes": "Scribe v2 and Scribe v2 Medical cost $0.22 an hour of audio, Scribe v2 Realtime $0.39 an hour. Entity detection adds $0.07 an hour and keyterm prompting $0.05 an hour. Silence counts. Free includes about 4.5 hours of batch audio a month, Starter $6 27 hours, Creator $22 100 hours, Pro $99 450 hours, Scale $299 1,359 hours and Business $990 4,500 hours (https://elevenlabs.io/pricing/api).",
      "priceSummary": "Freemium",
      "where": "both",
      "x402": {
        "level": "no",
        "evidence": "No x402 or machine payment in the docs or pricing (checked 2026-09-30).",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": 3122,
        "npmWeekly": 1063065,
        "pypiWeekly": 2223099,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://elevenlabs.io/docs/overview/capabilities/speech-to-text",
      "llmsTxt": "https://elevenlabs.io/docs/llms.txt",
      "openapi": "https://api.elevenlabs.io/openapi.json",
      "capabilities": [
        "speech.stt",
        "speech.streaming",
        "speech.batch",
        "speech.diarisation",
        "speech.languages"
      ],
      "tags": [
        "hosted",
        "freemium",
        "free-tier",
        "closed-source",
        "python",
        "typescript",
        "openapi",
        "llms-txt",
        "streaming",
        "batch",
        "webhooks",
        "async-jobs",
        "enterprise"
      ],
      "lastRelease": "2026-09-28",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 69,
        "grade": "B",
        "agentReady": false,
        "rank": 117,
        "ranked": true,
        "rankOf": 452,
        "categoryRank": 6,
        "methodology": "0.3",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 75,
          "maintenance": 75,
          "payments": 40,
          "reliability": 70,
          "schema": 95,
          "security": 55,
          "transparency": 71
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "$0.22 an hour for batch with 90+ languages and diarisation to 32 speakers. Audio may be used for training unless the account opts out, and the opt-out isn't retroactive.",
        "strengths": [
          "$0.22 an hour for batch with 90+ languages and diarisation to 32 speakers",
          "Keys restricted by endpoint, capped by credits and set to expire",
          "429 codes named in the error reference with exponential backoff guidance",
          "Files up to 3 GB and 10 hours, or a `source_url`",
          "OpenAPI file and an llms.txt with Markdown pages"
        ],
        "weaknesses": [
          "Audio may be used for training unless the account opts out, and the opt-out isn't retroactive",
          "Speech-to-text data is retained by default, and zero retention needs Enterprise",
          "STT request failures for 94 minutes on 29 September 2026, plus latency incidents on 26 August, 4 September and 28 September",
          "Realtime costs $0.39 an hour, nearly double batch",
          "No self-serve SLA found"
        ],
        "agentNotes": [
          "Create a key restricted to speech-to-text with a credit quota and an expiry",
          "Use `source_url` for hosted files instead of downloading and re-uploading",
          "Set `webhook=true` for long files so the call doesn't block",
          "Back off exponentially on any of the three 429 codes",
          "Opt out under Data use before sending customer audio. It only covers later uploads"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 3.5,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "B",
            "methodology": "0.3",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 69
          }
        ],
        "editorialScores": {
          "ergonomics": 75,
          "maintenance": 75,
          "payments": 40,
          "reliability": 70,
          "schema": 95,
          "security": 55,
          "transparency": 50
        },
        "provenanceScore": 92
      },
      "connect": {
        "http": "curl -X POST https://api.elevenlabs.io/v1/speech-to-text -H \"xi-api-key: $ELEVENLABS_API_KEY\" \\\n  -F model_id=scribe_v2 -F diarize=true -F file=@call.mp3",
        "config": {
          "mcpServers": {
            "elevenlabs": {
              "args": [
                "elevenlabs-mcp"
              ],
              "command": "uvx",
              "env": {
                "ELEVENLABS_API_KEY": "${ELEVENLABS_API_KEY}"
              }
            }
          }
        }
      },
      "letme": {
        "capability": "https://letme.dev/speech.stt",
        "tool": "https://letme.dev/elevenlabs-scribe"
      },
      "sameCompany": [
        "elevenlabs-music",
        "elevenlabs-tts",
        "elevenlabs-agents",
        "elevenlabs-voice-cloning"
      ],
      "area": "voice",
      "unitPrices": [
        {
          "item": "Scribe v2 batch",
          "unit": "audio-minute",
          "usd": 0.0037,
          "note": "published as $0.22 an hour, also Scribe v2 Medical"
        },
        {
          "item": "Scribe v2 Realtime",
          "unit": "audio-minute",
          "usd": 0.0065,
          "note": "published as $0.39 an hour"
        },
        {
          "item": "Entity detection add-on",
          "unit": "audio-minute",
          "usd": 0.0012,
          "note": "published as $0.07 an hour"
        },
        {
          "item": "Keyterm prompting add-on",
          "unit": "audio-minute",
          "usd": 0.0008,
          "note": "published as $0.05 an hour"
        }
      ],
      "provenance": {
        "legalEntity": "Eleven Labs Inc.",
        "domain": "elevenlabs.io",
        "domainRegistered": "2021-12-15",
        "endpointOnVendorDomain": true,
        "terms": "https://elevenlabs.io/terms-of-use",
        "privacy": "https://elevenlabs.io/privacy-policy",
        "statusPage": "https://status.elevenlabs.io",
        "changelog": "https://elevenlabs.io/docs/changelog",
        "securityTxt": "valid",
        "checked": "2026-09-30",
        "score": 92
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/elevenlabs-scribe.json",
      "live": {
        "slug": "elevenlabs-scribe",
        "probe": {
          "target": "https://api.elevenlabs.io/v1",
          "method": "get",
          "lastAt": "2026-10-04T23:48:07.861332171Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 125,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 119,
          "p95ms24h": 193,
          "samples24h": 272,
          "samples30d": 1100,
          "days": [
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              "date": "2026-09-30",
              "probes": 35,
              "ok": 35
            },
            {
              "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": 270,
              "ok": 270
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.elevenlabs.io",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-10-04T23:49:10.9513839Z"
        },
        "versions": [
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            "registry": "github",
            "name": "elevenlabs/elevenlabs-python",
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          {
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            "seenAt": "2026-10-04T16:26:14.91095365Z"
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          {
            "registry": "pypi",
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  "markdown": "Azure AI Speech speech-to-text has a score of 77 (BB) against ElevenLabs Scribe Speech to Text API's 69 (B). Both do speech stt. The largest gap is security \u0026 auth, 40 points.\n\n- Azure AI Speech speech-to-text: grade BB, 77/100, rank #23 of 452. Markdown https://www.anchorterminal.com/tools/azure-speech-to-text.md · JSON https://www.anchorterminal.com/api/v1/tools/azure-speech-to-text.json\n- ElevenLabs Scribe Speech to Text API: grade B, 69/100, rank #117 of 452. Markdown https://www.anchorterminal.com/tools/elevenlabs-scribe.md · JSON https://www.anchorterminal.com/api/v1/tools/elevenlabs-scribe.json\n\n## Which one, for what\n\nPick Azure AI Speech speech-to-text for reliability (+20), security \u0026 auth (+40), maintenance \u0026 community (+5), transparency \u0026 trust (+17).\n\nPick ElevenLabs Scribe Speech to Text API for schema \u0026 documentation (+15), payments \u0026 pricing (+20).\n\n## Score by category\n\n| Category | Weight | Azure AI Speech speech-to-text | ElevenLabs Scribe Speech to Text API | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 90 | 70 | Azure AI Speech speech-to-text +20 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 80 | 95 | ElevenLabs Scribe Speech to Text API +15 |\n| Agent ergonomics | 13% (16.2 this run) | 75 | 75 | even |\n| Security \u0026 auth | 14% (17.5 this run) | 95 | 55 | Azure AI Speech speech-to-text +40 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 20 | 40 | ElevenLabs Scribe Speech to Text API +20 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 80 | 75 | Azure AI Speech speech-to-text +5 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 88 | 71 | Azure AI Speech speech-to-text +17 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **77 · BB** | **69 · B** | |\n\n## Facts side by side\n\n| Fact | Azure AI Speech speech-to-text | ElevenLabs Scribe Speech to Text API |\n| --- | --- | --- |\n| Kind | Model API | Model API |\n| Vendor | Microsoft Azure | ElevenLabs |\n| Hosted endpoint | `https://eastus.api.cognitive.microsoft.com/speechtotext` | `https://api.elevenlabs.io/v1` |\n| Transports | HTTP | HTTP, stdio |\n| Auth | OAuth or key | API key |\n| Pricing | Freemium | Freemium |\n| x402 | no | no |\n| Licence | MIT (samples), SDK under Microsoft's own licence | MIT (SDKs) |\n| Tools exposed | none | none |\n| Context cost (tools/list) | n/a | n/a |\n| p95 latency | not measured yet | not measured yet |\n| Availability (30d) | not measured yet | not measured yet |\n| Read-only variant documented | no | no |\n| llms.txt | no | yes |\n| MCP registry | not listed | not listed |\n| Last release | 2026-09-28 | 2026-09-28 |\n| Popularity | 3.5k stars, 476k npm/wk, 1M PyPI/wk | 3.1k stars, 1.1M npm/wk, 2.2M PyPI/wk |\n| Agent reviews | 3.3/5 (8) | 3.5/5 (2) |\n\n## Verdicts\n\n**Azure AI Speech speech-to-text.** Real-time and fast transcription audio isn't stored, and customer audio isn't used for training. MAI-Transcribe-2 is preview with no SLA, and its $0.10 promotional price ends on 2026-12-31.\n\n**ElevenLabs Scribe Speech to Text API.** $0.22 an hour for batch with 90+ languages and diarisation to 32 speakers. Audio may be used for training unless the account opts out, and the opt-out isn't retroactive.\n\n## Before you call either\n\n### Azure AI Speech speech-to-text\n\n1. Use fast transcription (`transcriptions:transcribe`) for files under 5 hours and 500 MB, and batch for bulk jobs\n2. Pin `api-version=2025-10-15`. v3.0 and the v3.2 previews are retired\n3. On a 429, back off 1, 2, 4 then 4 minutes. It usually means autoscaling, not a quota\n4. Set `timeToLive` on batch jobs or delete results, otherwise transcripts stay in Microsoft storage\n5. Don't budget on MAI-Transcribe-2 at $0.10 an hour after 2026-12-31\n\n### ElevenLabs Scribe Speech to Text API\n\n1. Create a key restricted to speech-to-text with a credit quota and an expiry\n2. Use `source_url` for hosted files instead of downloading and re-uploading\n3. Set `webhook=true` for long files so the call doesn't block\n4. Back off exponentially on any of the three 429 codes\n5. Opt out under Data use before sending customer audio. It only covers later uploads\n\n## Other comparisons with Azure AI Speech speech-to-text or ElevenLabs Scribe Speech to Text API\n\n- [Amazon Transcribe vs Azure AI Speech speech-to-text](https://www.anchorterminal.com/compare/amazon-transcribe-vs-azure-speech-to-text.md)\n- [Amazon Transcribe vs ElevenLabs Scribe Speech to Text API](https://www.anchorterminal.com/compare/amazon-transcribe-vs-elevenlabs-scribe.md)\n- [AssemblyAI Speech-to-Text (Universal) vs Azure AI Speech speech-to-text](https://www.anchorterminal.com/compare/assemblyai-stt-vs-azure-speech-to-text.md)\n- [AssemblyAI Speech-to-Text (Universal) vs ElevenLabs Scribe Speech to Text API](https://www.anchorterminal.com/compare/assemblyai-stt-vs-elevenlabs-scribe.md)\n- [Azure AI Speech speech-to-text vs Deepgram Speech-to-Text (Nova-3, Flux)](https://www.anchorterminal.com/compare/azure-speech-to-text-vs-deepgram-stt.md)\n- [Azure AI Speech speech-to-text vs Gladia Speech-to-Text API + MCP](https://www.anchorterminal.com/compare/azure-speech-to-text-vs-gladia-stt.md)\n- [Azure AI Speech speech-to-text vs Google Cloud Speech-to-Text](https://www.anchorterminal.com/compare/azure-speech-to-text-vs-google-speech-to-text.md)\n- [Azure AI Speech speech-to-text vs Rev AI Speech-to-Text API](https://www.anchorterminal.com/compare/azure-speech-to-text-vs-rev-ai-stt.md)\n- [Azure AI Speech speech-to-text vs Soniox Speech-to-Text](https://www.anchorterminal.com/compare/azure-speech-to-text-vs-soniox-stt.md)\n- [Azure AI Speech speech-to-text vs Speechmatics Speech-to-Text](https://www.anchorterminal.com/compare/azure-speech-to-text-vs-speechmatics-stt.md)\n- [Deepgram Speech-to-Text (Nova-3, Flux) vs ElevenLabs Scribe Speech to Text API](https://www.anchorterminal.com/compare/deepgram-stt-vs-elevenlabs-scribe.md)\n- [ElevenLabs Scribe Speech to Text API vs Gladia Speech-to-Text API + MCP](https://www.anchorterminal.com/compare/elevenlabs-scribe-vs-gladia-stt.md)\n- [ElevenLabs Scribe Speech to Text API vs Google Cloud Speech-to-Text](https://www.anchorterminal.com/compare/elevenlabs-scribe-vs-google-speech-to-text.md)\n- [ElevenLabs Scribe Speech to Text API vs Rev AI Speech-to-Text API](https://www.anchorterminal.com/compare/elevenlabs-scribe-vs-rev-ai-stt.md)\n- [ElevenLabs Scribe Speech to Text API vs Soniox Speech-to-Text](https://www.anchorterminal.com/compare/elevenlabs-scribe-vs-soniox-stt.md)\n- [ElevenLabs Scribe Speech to Text API vs Speechmatics Speech-to-Text](https://www.anchorterminal.com/compare/elevenlabs-scribe-vs-speechmatics-stt.md)\n",
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    "description": "Azure AI Speech speech-to-text has a score of 77 (BB) against ElevenLabs Scribe Speech to Text API's 69 (B). Both do speech stt. The largest gap is security \u0026 auth, 40 points. Category scores, facts, verdicts and agent notes side by side.",
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