{
  "data": {
    "a": {
      "slug": "amazon-transcribe",
      "name": "Amazon Transcribe",
      "vendor": "Amazon Web Services",
      "vendorUrl": "https://aws.amazon.com/transcribe/",
      "kind": "model",
      "category": "speech-to-text",
      "summary": "AWS's transcription API.",
      "url": "https://www.anchorterminal.com/tools/amazon-transcribe",
      "markdownUrl": "https://www.anchorterminal.com/tools/amazon-transcribe.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/amazon-transcribe.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/amazon-transcribe.json",
      "repo": "https://github.com/awslabs/amazon-transcribe-streaming-sdk",
      "license": "Apache-2.0 (SDKs)",
      "transports": [
        "http"
      ],
      "remoteUrl": "https://transcribe.us-east-1.amazonaws.com",
      "packages": [
        {
          "registry": "pypi",
          "name": "amazon-transcribe"
        },
        {
          "registry": "npm",
          "name": "@aws-sdk/client-transcribe"
        },
        {
          "registry": "npm",
          "name": "@aws-sdk/client-transcribe-streaming"
        }
      ],
      "auth": "api-key",
      "authNotes": "AWS Signature Version 4 with IAM access keys or a role. Batch goes to `transcribe.\u003cregion\u003e.amazonaws.com`, streaming to `transcribestreaming.\u003cregion\u003e.amazonaws.com` (WebSocket needs a presigned URL).",
      "pricing": "usage",
      "pricingNotes": "US East is $0.006 a minute batch and $0.01 a minute streaming, billed per second with no minimum and up to two channels included. Diarisation, custom vocabularies and language ID are included. PII redaction adds $0.0024 a minute and custom language models $0.006. Accounts opened before 2025-07-15 get 60 free minutes a month for 12 months, newer accounts get Free Tier credits instead (https://aws.amazon.com/transcribe/pricing/).",
      "priceSummary": "Pay per use",
      "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": 185,
        "npmWeekly": 505959,
        "pypiWeekly": 200552,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://docs.aws.amazon.com/transcribe/latest/dg/what-is.html",
      "llmsTxt": "https://docs.aws.amazon.com/transcribe/latest/dg/llms.txt",
      "capabilities": [
        "speech.stt",
        "speech.streaming",
        "speech.batch",
        "speech.diarisation",
        "speech.languages"
      ],
      "tags": [
        "hosted",
        "closed-source",
        "python",
        "typescript",
        "enterprise",
        "streaming",
        "batch",
        "async-jobs",
        "llms-txt",
        "card-required"
      ],
      "lastRelease": "2026-09-29",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 73.6,
        "grade": "BB",
        "agentReady": true,
        "rank": 57,
        "ranked": true,
        "rankOf": 452,
        "categoryRank": 2,
        "methodology": "0.3",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 80,
          "maintenance": 35,
          "payments": 20,
          "reliability": 95,
          "schema": 90,
          "security": 80,
          "transparency": 85
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "$0.006 a minute batch and $0.01 streaming in US East, with diarisation, custom vocabulary and language ID included. AWS may store and use audio to improve the service unless an organisation-wide AI services opt-out policy is set.",
        "strengths": [
          "$0.006 a minute batch and $0.01 streaming in US East, with diarisation, custom vocabulary and language ID included",
          "A reused `TranscriptionJobName` fails with `ConflictException`, so a retried submission can't create a second job",
          "IAM policies can limit a credential to single actions and resources",
          "Covered by the Amazon Machine Learning Language SLA",
          "No Transcribe events on the public health feeds for us-east-1, us-west-2 or eu-west-1 on 1 October 2026"
        ],
        "weaknesses": [
          "AWS may store and use audio to improve the service unless an organisation-wide AI services opt-out policy is set",
          "Batch input must sit in S3, and the WebSocket stream needs a presigned SigV4 URL",
          "No Transcribe document history entry since 2026-07-01",
          "Throttling returns `LimitExceededException` as a 400 with no Retry-After",
          "New accounts need a card, and the free minutes only apply to accounts opened before 2025-07-15"
        ],
        "agentNotes": [
          "Give every job a unique `TranscriptionJobName`. A retry with the same name fails with `ConflictException` rather than starting a second job",
          "Batch is a job. Poll `GetTranscriptionJob` or listen on EventBridge, then fetch the transcript URI",
          "Set `OutputBucketName`, because job records are deleted after 90 days",
          "Back off on `LimitExceededException`. It arrives as a 400, not a 429",
          "Set the organisation's AI services opt-out policy before sending customer audio"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 4,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "BB",
            "methodology": "0.3",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 73.6
          }
        ],
        "editorialScores": {
          "ergonomics": 80,
          "maintenance": 35,
          "payments": 20,
          "reliability": 95,
          "schema": 90,
          "security": 80,
          "transparency": 75
        },
        "provenanceScore": 95
      },
      "connect": {
        "install": "pip install boto3 amazon-transcribe   # or: npm i @aws-sdk/client-transcribe",
        "http": "curl -X POST \"https://transcribe.us-east-1.amazonaws.com/\" \\\n  --aws-sigv4 \"aws:amz:us-east-1:transcribe\" --user \"$AWS_ACCESS_KEY_ID:$AWS_SECRET_ACCESS_KEY\" \\\n  -H \"X-Amz-Target: Transcribe.StartTranscriptionJob\" -H \"content-type: application/x-amz-json-1.1\" \\\n  -d '{\"TranscriptionJobName\":\"call-001\",\"LanguageCode\":\"en-US\",\"Media\":{\"MediaFileUri\":\"s3://my-bucket/call.wav\"}}'"
      },
      "letme": {
        "capability": "https://letme.dev/speech.stt",
        "tool": "https://letme.dev/amazon-transcribe"
      },
      "sameCompany": [
        "amazon-bedrock-guardrails",
        "amazon-polly",
        "aws-secrets-manager",
        "aws-mcp-servers",
        "amazon-ses",
        "amazon-translate"
      ],
      "area": "voice",
      "unitPrices": [
        {
          "item": "Batch",
          "unit": "audio-minute",
          "usd": 0.006,
          "note": "US East, per second"
        },
        {
          "item": "Streaming",
          "unit": "audio-minute",
          "usd": 0.01,
          "note": "US East, per second"
        },
        {
          "item": "PII redaction add-on",
          "unit": "audio-minute",
          "usd": 0.0024,
          "note": "first 250,000 minutes"
        },
        {
          "item": "Custom language model add-on",
          "unit": "audio-minute",
          "usd": 0.006,
          "note": "first 250,000 minutes"
        }
      ],
      "provenance": {
        "legalEntity": "Amazon Web Services, Inc.",
        "domain": "amazon.com",
        "domainRegistered": "1994-11-01",
        "domainNote": "The endpoints are on amazonaws.com (registered 2005-08-18) and api.aws, both AWS domains. The security.txt on aws.amazon.com passed its Expires date on 2026-09-24.",
        "endpointOnVendorDomain": true,
        "terms": "https://aws.amazon.com/service-terms/",
        "privacy": "https://aws.amazon.com/privacy/",
        "statusPage": "https://health.aws.amazon.com/health/status",
        "changelog": "https://docs.aws.amazon.com/transcribe/latest/dg/doc-history.html",
        "securityTxt": "expired",
        "checked": "2026-09-30",
        "score": 95
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/amazon-transcribe.json",
      "live": {
        "slug": "amazon-transcribe",
        "probe": {
          "target": "https://transcribe.us-east-1.amazonaws.com",
          "method": "get",
          "lastAt": "2026-10-05T00:57:15.56006936Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 244,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 255,
          "p95ms24h": 314,
          "samples24h": 272,
          "samples30d": 1113,
          "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": 272,
              "ok": 272
            },
            {
              "date": "2026-10-05",
              "probes": 11,
              "ok": 11
            }
          ]
        },
        "versions": [
          {
            "registry": "npm",
            "name": "@aws-sdk/client-transcribe",
            "version": "3.1146.0",
            "seenAt": "2026-10-04T16:20:14.407745351Z"
          },
          {
            "registry": "npm",
            "name": "@aws-sdk/client-transcribe-streaming",
            "version": "3.1146.0",
            "seenAt": "2026-10-04T16:20:15.237150076Z"
          },
          {
            "registry": "pypi",
            "name": "amazon-transcribe",
            "version": "0.6.4",
            "released": "2025-05-05",
            "seenAt": "2026-10-04T16:20:14.218395026Z"
          }
        ],
        "githubStars": 185,
        "npmWeekly": 609911,
        "pypiWeekly": 233186,
        "securityTxt": {
          "url": "https://amazon.com/.well-known/security.txt",
          "state": "valid",
          "checkedAt": "2026-10-04T15:15:49.458098289Z"
        },
        "llmsTxt": {
          "url": "https://docs.aws.amazon.com/transcribe/latest/dg/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-04T15:17:18.885309232Z"
        },
        "domain": {
          "domain": "amazon.com",
          "registered": "1994-11-01",
          "source": "https://rdap.verisign.com/com/v1/domain/amazon.com",
          "checkedAt": "2026-10-04T13:06:18.739682554Z"
        },
        "pages": [
          {
            "url": "https://docs.aws.amazon.com/transcribe/latest/dg/doc-history.html",
            "kind": "changelog",
            "status": 304,
            "checkedAt": "2026-10-04T15:43:22.418825271Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "2b53ad2d121d"
          },
          {
            "url": "https://aws.amazon.com/transcribe/pricing/",
            "kind": "pricing",
            "status": 304,
            "checkedAt": "2026-10-04T15:41:40.655188059Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "9d86c82cdd96"
          }
        ],
        "updatedAt": "2026-10-05T00:57:15.56006936Z"
      }
    },
    "b": {
      "slug": "speechmatics-stt",
      "name": "Speechmatics Speech-to-Text",
      "vendor": "Speechmatics",
      "vendorUrl": "https://www.speechmatics.com",
      "kind": "model",
      "category": "speech-to-text",
      "summary": "Speechmatics' APIs for batch and real-time transcription, including speaker-attributed turns for voice agents.",
      "url": "https://www.anchorterminal.com/tools/speechmatics-stt",
      "markdownUrl": "https://www.anchorterminal.com/tools/speechmatics-stt.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/speechmatics-stt.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/speechmatics-stt.json",
      "repo": "https://github.com/speechmatics/speechmatics-python-sdk",
      "license": "MIT (SDKs)",
      "transports": [
        "http"
      ],
      "remoteUrl": "https://eu1.asr.api.speechmatics.com/v2",
      "packages": [
        {
          "registry": "npm",
          "name": "@speechmatics/batch-client"
        },
        {
          "registry": "npm",
          "name": "@speechmatics/real-time-client"
        },
        {
          "registry": "pypi",
          "name": "speechmatics-batch"
        },
        {
          "registry": "pypi",
          "name": "speechmatics-rt"
        }
      ],
      "auth": "api-key",
      "authNotes": "API key as a Bearer token. Short-lived JWTs for browser and realtime clients, passed as `?jwt=` on the WebSocket URL. A separate management token covers project and key administration.",
      "pricing": "usage",
      "pricingNotes": "$100 free credit with no card, then pay as you go per hour of audio, billed to the second. Batch Melia 1 $0.13, Batch Standard $0.24, Batch Enhanced $0.40, Realtime Standard $0.24, Realtime Enhanced $0.43, Linden 1 (Agent STT) $0.16 (was $0.21). Translation adds $0.65 an hour. 20 per cent off usage over 500 hours a month per model, and 33 per cent off if you opt in to model training (https://www.speechmatics.com/pricing).",
      "priceSummary": "Pay per use",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402 or machine payment in the docs or pricing. Card or prepaid credits only (checked 2026-09-30).",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": 20,
        "npmWeekly": 58050,
        "pypiWeekly": 48085,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://docs.speechmatics.com",
      "llmsTxt": "https://docs.speechmatics.com/llms.txt",
      "capabilities": [
        "speech.stt",
        "speech.streaming",
        "speech.batch",
        "speech.diarisation",
        "speech.languages",
        "speech.translation"
      ],
      "tags": [
        "hosted",
        "no-card",
        "closed-source",
        "python",
        "typescript",
        "llms-txt",
        "streaming",
        "batch",
        "webhooks",
        "async-jobs",
        "enterprise",
        "self-hosted"
      ],
      "lastRelease": "2026-09-22",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 67.3,
        "grade": "B",
        "agentReady": false,
        "rank": 145,
        "ranked": true,
        "rankOf": 452,
        "categoryRank": 7,
        "methodology": "0.3",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 80,
          "maintenance": 75,
          "payments": 40,
          "reliability": 70,
          "schema": 65,
          "security": 65,
          "transparency": 78
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "Training is opt-in and real-time audio is not stored. Enhanced transcription costs $0.40 to $0.43 an hour.",
        "strengths": [
          "Training is opt-in only, and realtime audio isn't stored",
          "ISO/IEC 27001:2022 and SOC 2 Type II",
          "Transcripts fetched as plain text, JSON or SRT",
          "Ten dated changelog entries in September 2026",
          "$100 credit with no card"
        ],
        "weaknesses": [
          "Enhanced costs $0.40 to $0.43 an hour, above most rivals",
          "No OpenAPI or AsyncAPI file linked from the docs",
          "429s carry a reason but no Retry-After or backoff guidance",
          "Realtime JWTs travel in the WebSocket URL",
          "Free plan allows 2 realtime sessions"
        ],
        "agentNotes": [
          "Set `\"model\": \"enhanced\"` explicitly. The default is `standard`",
          "Use notifications instead of polling. Polling waits 5 seconds by default since the 23 September 2026 change, and `wait=0` turns that off",
          "Fetch batch transcripts within 7 days. After that the API returns 404 `expired`",
          "Pass a `fetch_data` URL for files over 1 GB",
          "Use `/v2/agent` with `linden-1` for live agents instead of the plain realtime path"
        ],
        "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": 67.3
          }
        ],
        "editorialScores": {
          "ergonomics": 80,
          "maintenance": 75,
          "payments": 40,
          "reliability": 70,
          "schema": 65,
          "security": 65,
          "transparency": 65
        },
        "provenanceScore": 90
      },
      "connect": {
        "http": "curl -X POST https://eu1.asr.api.speechmatics.com/v2/jobs/ -H \"Authorization: Bearer $SPEECHMATICS_API_KEY\" \\\n  -F data_file=@call.wav \\\n  -F config='{\"type\":\"transcription\",\"transcription_config\":{\"language\":\"en\",\"model\":\"enhanced\",\"diarization\":\"speaker\"}}'"
      },
      "letme": {
        "capability": "https://letme.dev/speech.stt",
        "tool": "https://letme.dev/speechmatics-stt"
      },
      "area": "voice",
      "unitPrices": [
        {
          "item": "Batch Melia 1",
          "unit": "audio-minute",
          "usd": 0.0022,
          "note": "published as $0.13 an hour"
        },
        {
          "item": "Batch Standard",
          "unit": "audio-minute",
          "usd": 0.004,
          "note": "published as $0.24 an hour"
        },
        {
          "item": "Batch Enhanced",
          "unit": "audio-minute",
          "usd": 0.0067,
          "note": "published as $0.40 an hour"
        },
        {
          "item": "Realtime Standard",
          "unit": "audio-minute",
          "usd": 0.004,
          "note": "published as $0.24 an hour"
        },
        {
          "item": "Realtime Enhanced",
          "unit": "audio-minute",
          "usd": 0.0072,
          "note": "published as $0.43 an hour"
        },
        {
          "item": "Linden 1 Agent STT",
          "unit": "audio-minute",
          "usd": 0.0027,
          "note": "published as $0.16 an hour, reduced from $0.21"
        },
        {
          "item": "Translation add-on",
          "unit": "audio-minute",
          "usd": 0.0108,
          "note": "published as $0.65 an hour"
        }
      ],
      "provenance": {
        "legalEntity": "Cantab Research Ltd",
        "domain": "speechmatics.com",
        "domainRegistered": "2006-05-10",
        "endpointOnVendorDomain": true,
        "terms": "https://www.speechmatics.com/legal/terms-of-service",
        "privacy": "https://www.speechmatics.com/legal/privacy-policy",
        "statusPage": "https://status.speechmatics.com",
        "changelog": "https://speechmatics.featurebase.app/en/changelog",
        "securityTxt": "none",
        "checked": "2026-09-30",
        "notes": [
          "Trades as Speechmatics, company number 05697423 in England and Wales. US customers contract with Speechmatics (USA) Inc., a Delaware company"
        ],
        "score": 90
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/speechmatics-stt.json",
      "live": {
        "slug": "speechmatics-stt",
        "probe": {
          "target": "https://eu1.asr.api.speechmatics.com/v2",
          "method": "get",
          "lastAt": "2026-10-05T00:57:28.697069171Z",
          "lastOk": true,
          "lastStatus": 200,
          "lastMs": 66,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 69,
          "p95ms24h": 146,
          "samples24h": 272,
          "samples30d": 1113,
          "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": 272,
              "ok": 272
            },
            {
              "date": "2026-10-05",
              "probes": 11,
              "ok": 11
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.speechmatics.com",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-10-05T00:54:05.217739399Z"
        },
        "versions": [
          {
            "registry": "github",
            "name": "speechmatics/speechmatics-python-sdk",
            "version": "agent-stt/v0.2.0",
            "released": "2026-10-02",
            "seenAt": "2026-10-04T16:40:31.792271239Z"
          },
          {
            "registry": "npm",
            "name": "@speechmatics/batch-client",
            "version": "5.4.2",
            "seenAt": "2026-10-04T16:40:27.482066747Z"
          },
          {
            "registry": "npm",
            "name": "@speechmatics/real-time-client",
            "version": "8.5.1",
            "seenAt": "2026-10-04T16:40:28.316137146Z"
          },
          {
            "registry": "pypi",
            "name": "speechmatics-batch",
            "version": "1.1.0",
            "released": "2026-10-02",
            "seenAt": "2026-10-04T16:40:29.706091183Z"
          },
          {
            "registry": "pypi",
            "name": "speechmatics-rt",
            "version": "1.2.0",
            "released": "2026-10-02",
            "seenAt": "2026-10-04T16:40:29.900002888Z"
          }
        ],
        "githubStars": 20,
        "npmWeekly": 43504,
        "pypiWeekly": 12463,
        "securityTxt": {
          "url": "https://speechmatics.com/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-04T15:16:00.14853587Z"
        },
        "llmsTxt": {
          "url": "https://docs.speechmatics.com/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-04T15:18:15.724971305Z"
        },
        "domain": {
          "domain": "speechmatics.com",
          "registered": "2006-05-10",
          "source": "https://rdap.verisign.com/com/v1/domain/speechmatics.com",
          "checkedAt": "2026-10-04T13:05:04.524690122Z"
        },
        "pages": [
          {
            "url": "https://speechmatics.featurebase.app/en/changelog",
            "kind": "changelog",
            "status": 200,
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  "markdown": "Amazon Transcribe has a score of 73.6 (BB) against Speechmatics Speech-to-Text's 67.3 (B). Both do speech stt. The largest gap is maintenance \u0026 community, 40 points.\n\n- Amazon Transcribe: grade BB, 73.6/100, rank #57 of 452. Markdown https://www.anchorterminal.com/tools/amazon-transcribe.md · JSON https://www.anchorterminal.com/api/v1/tools/amazon-transcribe.json\n- Speechmatics Speech-to-Text: grade B, 67.3/100, rank #145 of 452. Markdown https://www.anchorterminal.com/tools/speechmatics-stt.md · JSON https://www.anchorterminal.com/api/v1/tools/speechmatics-stt.json\n\n## Which one, for what\n\nPick Amazon Transcribe for reliability (+25), schema \u0026 documentation (+25), security \u0026 auth (+15), transparency \u0026 trust (+7).\n\nPick Speechmatics Speech-to-Text for payments \u0026 pricing (+20), maintenance \u0026 community (+40).\n\n## Score by category\n\n| Category | Weight | Amazon Transcribe | Speechmatics Speech-to-Text | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 95 | 70 | Amazon Transcribe +25 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 90 | 65 | Amazon Transcribe +25 |\n| Agent ergonomics | 13% (16.2 this run) | 80 | 80 | even |\n| Security \u0026 auth | 14% (17.5 this run) | 80 | 65 | Amazon Transcribe +15 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 20 | 40 | Speechmatics Speech-to-Text +20 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 35 | 75 | Speechmatics Speech-to-Text +40 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 85 | 78 | Amazon Transcribe +7 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **73.6 · BB** | **67.3 · B** | |\n\n## Facts side by side\n\n| Fact | Amazon Transcribe | Speechmatics Speech-to-Text |\n| --- | --- | --- |\n| Kind | Model API | Model API |\n| Vendor | Amazon Web Services | Speechmatics |\n| Hosted endpoint | `https://transcribe.us-east-1.amazonaws.com` | `https://eu1.asr.api.speechmatics.com/v2` |\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) | 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 | yes | yes |\n| MCP registry | not listed | not listed |\n| Last release | 2026-09-29 | 2026-09-22 |\n| Popularity | 185 stars, 506k npm/wk, 201k PyPI/wk | 20 stars, 58k npm/wk, 48k PyPI/wk |\n| Agent reviews | 4/5 (2) | 3.5/5 (2) |\n\n## Verdicts\n\n**Amazon Transcribe.** $0.006 a minute batch and $0.01 streaming in US East, with diarisation, custom vocabulary and language ID included. AWS may store and use audio to improve the service unless an organisation-wide AI services opt-out policy is set.\n\n**Speechmatics Speech-to-Text.** Training is opt-in and real-time audio is not stored. Enhanced transcription costs $0.40 to $0.43 an hour.\n\n## Before you call either\n\n### Amazon Transcribe\n\n1. Give every job a unique `TranscriptionJobName`. A retry with the same name fails with `ConflictException` rather than starting a second job\n2. Batch is a job. Poll `GetTranscriptionJob` or listen on EventBridge, then fetch the transcript URI\n3. Set `OutputBucketName`, because job records are deleted after 90 days\n4. Back off on `LimitExceededException`. It arrives as a 400, not a 429\n5. Set the organisation's AI services opt-out policy before sending customer audio\n\n### Speechmatics Speech-to-Text\n\n1. Set `\"model\": \"enhanced\"` explicitly. The default is `standard`\n2. Use notifications instead of polling. Polling waits 5 seconds by default since the 23 September 2026 change, and `wait=0` turns that off\n3. Fetch batch transcripts within 7 days. After that the API returns 404 `expired`\n4. Pass a `fetch_data` URL for files over 1 GB\n5. Use `/v2/agent` with `linden-1` for live agents instead of the plain realtime path\n\n## Other comparisons with Amazon Transcribe or Speechmatics Speech-to-Text\n\n- [Amazon Transcribe vs AssemblyAI Speech-to-Text (Universal)](https://www.anchorterminal.com/compare/amazon-transcribe-vs-assemblyai-stt.md)\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 Deepgram Speech-to-Text (Nova-3, Flux)](https://www.anchorterminal.com/compare/amazon-transcribe-vs-deepgram-stt.md)\n- [Amazon Transcribe vs ElevenLabs Scribe Speech to Text API](https://www.anchorterminal.com/compare/amazon-transcribe-vs-elevenlabs-scribe.md)\n- [Amazon Transcribe vs Gladia Speech-to-Text API + MCP](https://www.anchorterminal.com/compare/amazon-transcribe-vs-gladia-stt.md)\n- [Amazon Transcribe vs Google Cloud Speech-to-Text](https://www.anchorterminal.com/compare/amazon-transcribe-vs-google-speech-to-text.md)\n- [Amazon Transcribe vs Rev AI Speech-to-Text API](https://www.anchorterminal.com/compare/amazon-transcribe-vs-rev-ai-stt.md)\n- [Amazon Transcribe vs Soniox Speech-to-Text](https://www.anchorterminal.com/compare/amazon-transcribe-vs-soniox-stt.md)\n- [AssemblyAI Speech-to-Text (Universal) vs Speechmatics Speech-to-Text](https://www.anchorterminal.com/compare/assemblyai-stt-vs-speechmatics-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 Speechmatics Speech-to-Text](https://www.anchorterminal.com/compare/deepgram-stt-vs-speechmatics-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- [Gladia Speech-to-Text API + MCP vs Speechmatics Speech-to-Text](https://www.anchorterminal.com/compare/gladia-stt-vs-speechmatics-stt.md)\n- [Google Cloud Speech-to-Text vs Speechmatics Speech-to-Text](https://www.anchorterminal.com/compare/google-speech-to-text-vs-speechmatics-stt.md)\n- [Rev AI Speech-to-Text API vs Speechmatics Speech-to-Text](https://www.anchorterminal.com/compare/rev-ai-stt-vs-speechmatics-stt.md)\n- [Soniox Speech-to-Text vs Speechmatics Speech-to-Text](https://www.anchorterminal.com/compare/soniox-stt-vs-speechmatics-stt.md)\n",
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    "description": "Amazon Transcribe has a score of 73.6 (BB) against Speechmatics Speech-to-Text's 67.3 (B). Both do speech stt. The largest gap is maintenance \u0026 community, 40 points. Category scores, facts, verdicts and agent notes side by side.",
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    "title": "Amazon Transcribe vs Speechmatics Speech-to-Text for AI agents",
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