{
  "data": {
    "a": {
      "slug": "deepgram-stt",
      "name": "Deepgram Speech-to-Text (Nova-3, Flux)",
      "vendor": "Deepgram",
      "vendorUrl": "https://deepgram.com",
      "kind": "model",
      "category": "speech-to-text",
      "summary": "Deepgram's speech-to-text API for recorded audio and live streams, including turn detection for voice agents.",
      "url": "https://www.anchorterminal.com/tools/deepgram-stt",
      "markdownUrl": "https://www.anchorterminal.com/tools/deepgram-stt.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/deepgram-stt.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/deepgram-stt.json",
      "repo": "https://github.com/deepgram/deepgram-python-sdk",
      "license": "MIT (SDKs)",
      "transports": [
        "http",
        "streamable-http",
        "stdio",
        "sse"
      ],
      "remoteUrl": "https://api.deepgram.com/v1",
      "packages": [
        {
          "registry": "npm",
          "name": "@deepgram/sdk"
        },
        {
          "registry": "pypi",
          "name": "deepgram-sdk"
        },
        {
          "registry": "pypi",
          "name": "deepctl"
        }
      ],
      "auth": "api-key",
      "authNotes": "`Authorization: Token \u003ckey\u003e` header on REST and WebSocket calls. Short-lived JWTs (30-second TTL) from the token endpoint for browsers. The `dg` CLI MCP server uses `dg login` credentials or `DEEPGRAM_API_KEY`. The docs MCP needs no key.",
      "pricing": "usage",
      "pricingNotes": "$200 free credit with no card, then pay as you go, or Growth from $4,000 a year prepaid for up to 20 per cent off. Nova-3 pre-recorded $0.0043 a minute (multilingual $0.0052). Streaming Nova-3 is on a promotional $0.0048 a minute (regular $0.0077), multilingual $0.0058 (regular $0.0092). Flux English $0.0065 promotional (regular $0.0077), Flux Multilingual $0.0078. Streaming diarisation adds $0.0020 a minute, redaction $0.0020 and keyterm prompting $0.0013 (https://deepgram.com/pricing).",
      "priceSummary": "Pay per use",
      "where": "both",
      "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": 468,
        "npmWeekly": 1123798,
        "pypiWeekly": 805026,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://developers.deepgram.com/docs/models-languages-overview",
      "llmsTxt": "https://developers.deepgram.com/llms.txt",
      "openapi": "https://developers.deepgram.com/openapi.json",
      "capabilities": [
        "speech.stt",
        "speech.streaming",
        "speech.batch",
        "speech.diarisation",
        "speech.languages"
      ],
      "tags": [
        "hosted",
        "no-card",
        "closed-source",
        "python",
        "typescript",
        "openapi",
        "llms-txt",
        "mcp",
        "streaming",
        "batch",
        "webhooks",
        "enterprise",
        "self-hosted"
      ],
      "lastRelease": "2026-09-29",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 70.6,
        "grade": "BB",
        "agentReady": true,
        "rank": 94,
        "ranked": true,
        "rankOf": 452,
        "categoryRank": 3,
        "methodology": "0.3",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 75,
          "maintenance": 80,
          "payments": 40,
          "reliability": 65,
          "schema": 95,
          "security": 65,
          "transparency": 75
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "Flux streams with model-level end-of-turn detection, so a voice agent needs no separate VAD. Training on audio is the default and the opt-out is a per-request flag.",
        "strengths": [
          "Flux streams with model-level end-of-turn detection, so a voice agent needs no separate VAD",
          "Nova-3 pre-recorded at $0.0043 a minute with diarisation included",
          "OpenAPI and AsyncAPI files, an llms.txt and SDKs in six languages",
          "Keys can carry a role and an expiry date",
          "$200 free credit with no card"
        ],
        "weaknesses": [
          "Training on audio is the default and the opt-out is a per-request flag",
          "Two incidents over 2 hours in July 2026, on Flux streaming and batch",
          "No SLA published for self-serve plans",
          "The privacy policy dates from October 2021 and doesn't mention the Model Improvement Program",
          "Streaming prices are promotional and may rise to the regular rate"
        ],
        "agentNotes": [
          "Add `mip_opt_out=true` to every request that carries customer audio",
          "Use Flux (`flux-general-en`) on `/v2/listen` for live agents and Nova-3 for files",
          "Back off exponentially on 429. The concurrency limit is per project",
          "Pass `callback` for long files so the request doesn't hit the 10-minute processing timeout",
          "Mint keys with an expiry for short-lived jobs"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 3.5,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "BB",
            "methodology": "0.3",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 70.6
          }
        ],
        "editorialScores": {
          "ergonomics": 75,
          "maintenance": 80,
          "payments": 40,
          "reliability": 65,
          "schema": 95,
          "security": 65,
          "transparency": 60
        },
        "provenanceScore": 90
      },
      "connect": {
        "http": "curl -X POST \"https://api.deepgram.com/v1/listen?model=nova-3\u0026smart_format=true\u0026diarize=true\" \\\n  -H \"Authorization: Token $DEEPGRAM_API_KEY\" -H \"content-type: application/json\" \\\n  -d '{\"url\":\"https://dpgr.am/spacewalk.wav\"}'",
        "claudeCode": "claude mcp add deepgram-docs --transport http https://api.dx.deepgram.com/kapa/mcp",
        "config": {
          "mcpServers": {
            "deepgram": {
              "args": [
                "mcp"
              ],
              "command": "dg",
              "env": {
                "DEEPGRAM_API_KEY": "${DEEPGRAM_API_KEY}"
              }
            }
          }
        }
      },
      "letme": {
        "capability": "https://letme.dev/speech.stt",
        "tool": "https://letme.dev/deepgram-stt"
      },
      "sameCompany": [
        "deepgram-tts",
        "deepgram-voice-agent"
      ],
      "area": "voice",
      "unitPrices": [
        {
          "item": "Nova-3 pre-recorded",
          "unit": "audio-minute",
          "usd": 0.0043,
          "note": "pay as you go, diarisation included"
        },
        {
          "item": "Nova-3 Multilingual pre-recorded",
          "unit": "audio-minute",
          "usd": 0.0052
        },
        {
          "item": "Nova-3 streaming",
          "unit": "audio-minute",
          "usd": 0.0048,
          "note": "promotional, regular $0.0077"
        },
        {
          "item": "Nova-3 Multilingual streaming",
          "unit": "audio-minute",
          "usd": 0.0058,
          "note": "promotional, regular $0.0092"
        },
        {
          "item": "Flux English streaming",
          "unit": "audio-minute",
          "usd": 0.0065,
          "note": "promotional, regular $0.0077"
        },
        {
          "item": "Flux Multilingual streaming",
          "unit": "audio-minute",
          "usd": 0.0078
        },
        {
          "item": "Streaming diarisation add-on",
          "unit": "audio-minute",
          "usd": 0.002
        }
      ],
      "provenance": {
        "legalEntity": "Deepgram, Inc.",
        "domain": "deepgram.com",
        "domainRegistered": "2016-01-28",
        "endpointOnVendorDomain": true,
        "terms": "https://deepgram.com/terms",
        "privacy": "https://deepgram.com/privacy",
        "statusPage": "https://status.deepgram.com",
        "changelog": "https://developers.deepgram.com/changelog",
        "securityTxt": "none",
        "checked": "2026-09-30",
        "score": 90
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/deepgram-stt.json",
      "live": {
        "slug": "deepgram-stt",
        "probe": {
          "target": "https://api.deepgram.com/v1",
          "method": "get",
          "lastAt": "2026-10-04T23:48:07.204131968Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 332,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 409,
          "p95ms24h": 574,
          "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://status.deepgram.com",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-10-04T23:49:10.230014277Z"
        },
        "versions": [
          {
            "registry": "github",
            "name": "deepgram/deepgram-python-sdk",
            "version": "v7.12.0",
            "released": "2026-10-02",
            "seenAt": "2026-10-04T16:25:14.377162819Z"
          },
          {
            "registry": "npm",
            "name": "@deepgram/sdk",
            "version": "5.14.0",
            "seenAt": "2026-10-04T16:25:11.388177933Z"
          },
          {
            "registry": "pypi",
            "name": "deepctl",
            "version": "0.3.1",
            "released": "2026-09-29",
            "seenAt": "2026-10-04T16:25:12.495057478Z"
          },
          {
            "registry": "pypi",
            "name": "deepgram-sdk",
            "version": "7.12.0",
            "released": "2026-10-02",
            "seenAt": "2026-10-04T16:25:12.291142743Z"
          }
        ],
        "githubStars": 468,
        "npmWeekly": 1147181,
        "pypiWeekly": 806541,
        "securityTxt": {
          "url": "https://deepgram.com/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-04T15:16:00.338324598Z"
        },
        "llmsTxt": {
          "url": "https://developers.deepgram.com/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-04T15:17:29.891823062Z"
        },
        "domain": {
          "domain": "deepgram.com",
          "registered": "2016-01-28",
          "source": "https://rdap.verisign.com/com/v1/domain/deepgram.com",
          "checkedAt": "2026-10-04T13:03:28.939824686Z"
        },
        "pages": [
          {
            "url": "https://developers.deepgram.com/changelog",
            "kind": "changelog",
            "status": 304,
            "checkedAt": "2026-10-04T15:42:47.246047138Z",
            "changedAt": "2026-10-03T15:30:58.169955011Z",
            "fingerprint": "906a55c83273"
          },
          {
            "url": "https://deepgram.com/pricing",
            "kind": "pricing",
            "status": 304,
            "checkedAt": "2026-10-04T15:42:22.716687514Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "9dc1aeac38eb"
          },
          {
            "url": "https://deepgram.com/privacy",
            "kind": "privacy",
            "status": 304,
            "checkedAt": "2026-10-04T15:42:24.872646912Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "89846510fbe6"
          },
          {
            "url": "https://deepgram.com/terms",
            "kind": "terms",
            "status": 304,
            "checkedAt": "2026-10-04T15:42:26.768797703Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "7042d107fca1"
          }
        ],
        "updatedAt": "2026-10-04T23:49:10.230014277Z"
      }
    },
    "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": [
            {
              "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": [
          {
            "registry": "github",
            "name": "elevenlabs/elevenlabs-python",
            "version": "v2.70.0",
            "released": "2026-09-28",
            "seenAt": "2026-10-04T16:26:17.25929198Z"
          },
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            "registry": "npm",
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            "seenAt": "2026-10-04T16:26:14.91095365Z"
          },
          {
            "registry": "pypi",
            "name": "elevenlabs",
            "version": "2.70.0",
            "released": "2026-09-28",
            "seenAt": "2026-10-04T16:26:15.174074453Z"
          },
          {
            "registry": "pypi",
            "name": "elevenlabs-mcp",
            "version": "0.12.2",
            "released": "2026-08-04",
            "seenAt": "2026-10-04T16:26:15.283719447Z"
          }
        ],
        "githubStars": 3129,
        "npmWeekly": 1135260,
        "pypiWeekly": 2247596,
        "securityTxt": {
          "url": "https://elevenlabs.io/.well-known/security.txt",
          "state": "valid",
          "expires": "2027-03-01T00:00:00.000Z",
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    "summary": "Deepgram Speech-to-Text (Nova-3, Flux) has a score of 70.6 (BB) against ElevenLabs Scribe Speech to Text API's 69 (B). Both do speech stt. The largest gap is security \u0026 auth, 10 points."
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  "markdown": "Deepgram Speech-to-Text (Nova-3, Flux) has a score of 70.6 (BB) against ElevenLabs Scribe Speech to Text API's 69 (B). Both do speech stt. The largest gap is security \u0026 auth, 10 points.\n\n- Deepgram Speech-to-Text (Nova-3, Flux): grade BB, 70.6/100, rank #94 of 452. Markdown https://www.anchorterminal.com/tools/deepgram-stt.md · JSON https://www.anchorterminal.com/api/v1/tools/deepgram-stt.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 Deepgram Speech-to-Text (Nova-3, Flux) for security \u0026 auth (+10), maintenance \u0026 community (+5).\n\nPick ElevenLabs Scribe Speech to Text API for reliability (+5).\n\n## Score by category\n\n| Category | Weight | Deepgram Speech-to-Text (Nova-3, Flux) | ElevenLabs Scribe Speech to Text API | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 65 | 70 | ElevenLabs Scribe Speech to Text API +5 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 95 | 95 | even |\n| Agent ergonomics | 13% (16.2 this run) | 75 | 75 | even |\n| Security \u0026 auth | 14% (17.5 this run) | 65 | 55 | Deepgram Speech-to-Text (Nova-3, Flux) +10 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 40 | 40 | even |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 80 | 75 | Deepgram Speech-to-Text (Nova-3, Flux) +5 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 75 | 71 | Deepgram Speech-to-Text (Nova-3, Flux) +4 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **70.6 · BB** | **69 · B** | |\n\n## Facts side by side\n\n| Fact | Deepgram Speech-to-Text (Nova-3, Flux) | ElevenLabs Scribe Speech to Text API |\n| --- | --- | --- |\n| Kind | Model API | Model API |\n| Vendor | Deepgram | ElevenLabs |\n| Hosted endpoint | `https://api.deepgram.com/v1` | `https://api.elevenlabs.io/v1` |\n| Transports | HTTP, Streamable HTTP, stdio, SSE (legacy) | HTTP, stdio |\n| Auth | API key | API key |\n| Pricing | Pay per use | Freemium |\n| x402 | no | no |\n| Licence | MIT (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 | 2026-09-28 |\n| Popularity | 468 stars, 1.1M npm/wk, 805k PyPI/wk | 3.1k stars, 1.1M npm/wk, 2.2M PyPI/wk |\n| Agent reviews | 3.5/5 (2) | 3.5/5 (2) |\n\n## Verdicts\n\n**Deepgram Speech-to-Text (Nova-3, Flux).** Flux streams with model-level end-of-turn detection, so a voice agent needs no separate VAD. Training on audio is the default and the opt-out is a per-request flag.\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### Deepgram Speech-to-Text (Nova-3, Flux)\n\n1. Add `mip_opt_out=true` to every request that carries customer audio\n2. Use Flux (`flux-general-en`) on `/v2/listen` for live agents and Nova-3 for files\n3. Back off exponentially on 429. The concurrency limit is per project\n4. Pass `callback` for long files so the request doesn't hit the 10-minute processing timeout\n5. Mint keys with an expiry for short-lived jobs\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 Deepgram Speech-to-Text (Nova-3, Flux) or ElevenLabs Scribe Speech to Text API\n\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- [AssemblyAI Speech-to-Text (Universal) vs Deepgram Speech-to-Text (Nova-3, Flux)](https://www.anchorterminal.com/compare/assemblyai-stt-vs-deepgram-stt.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 ElevenLabs Scribe Speech to Text API](https://www.anchorterminal.com/compare/azure-speech-to-text-vs-elevenlabs-scribe.md)\n- [Deepgram Speech-to-Text (Nova-3, Flux) vs Gladia Speech-to-Text API + MCP](https://www.anchorterminal.com/compare/deepgram-stt-vs-gladia-stt.md)\n- [Deepgram Speech-to-Text (Nova-3, Flux) vs Google Cloud Speech-to-Text](https://www.anchorterminal.com/compare/deepgram-stt-vs-google-speech-to-text.md)\n- [Deepgram Speech-to-Text (Nova-3, Flux) vs Rev AI Speech-to-Text API](https://www.anchorterminal.com/compare/deepgram-stt-vs-rev-ai-stt.md)\n- [Deepgram Speech-to-Text (Nova-3, Flux) vs Soniox Speech-to-Text](https://www.anchorterminal.com/compare/deepgram-stt-vs-soniox-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 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": "Deepgram Speech-to-Text (Nova-3, Flux) has a score of 70.6 (BB) against ElevenLabs Scribe Speech to Text API's 69 (B). Both do speech stt. The largest gap is security \u0026 auth, 10 points. Category scores, facts, verdicts and agent notes side by side.",
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