{ "data": { "a": { "slug": "elevenlabs-tts", "name": "ElevenLabs Text to Speech API + MCP", "vendor": "ElevenLabs", "vendorUrl": "https://elevenlabs.io", "kind": "model", "category": "text-to-speech", "summary": "ElevenLabs text-to-speech over REST, HTTP streaming and WebSocket.", "url": "https://www.anchorterminal.com/tools/elevenlabs-tts", "markdownUrl": "https://www.anchorterminal.com/tools/elevenlabs-tts.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/elevenlabs-tts.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/elevenlabs-tts.json", "dns": "elevenlabs-tts.grade.anchorterminal.com", "repo": "https://github.com/elevenlabs/elevenlabs-python", "license": "MIT (SDKs)", "transports": [ "http", "streamable-http", "stdio" ], "remoteUrl": "https://api.elevenlabs.io/v1", "packages": [ { "registry": "npm", "name": "@elevenlabs/elevenlabs-js", "main": true }, { "registry": "pypi", "name": "elevenlabs", "main": true }, { "registry": "pypi", "name": "elevenlabs-mcp", "main": true } ], "auth": "mixed", "authNotes": "`xi-api-key` header for the REST and WebSocket APIs. The hosted MCP at `https://api.elevenlabs.io/v1/mcp` signs in with OAuth, scoped to Agents and Text to Speech. The older local `elevenlabs-mcp` server reads `ELEVENLABS_API_KEY` and is now deprecated. Data residency hosts exist for the EU, India and Singapore.", "pricing": "freemium", "pricingNotes": "API usage is priced per 1,000 characters. Eleven v4, v3 and Multilingual v2 cost $0.08, v4 Turbo, v3 Conversational and Flash/Turbo $0.04. Plans are Free (10,000 v4 characters), Starter $6 ($1 first month, 75,000 v4 characters), Creator $22 ($11 first month, 275,000), Pro $99 (1,238,000), Scale $299 and Business $990 a month, with pay-as-you-go as an alternative. Commercial use starts at Starter (https://elevenlabs.io/pricing/api).", "priceSummary": "$6 / mo", "where": "both", "x402": { "level": "no", "evidence": "No x402 or machine payment in the docs or pricing. Subscription or pay-as-you-go card billing (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/text-to-speech", "llmsTxt": "https://elevenlabs.io/docs/llms.txt", "openapi": "https://api.elevenlabs.io/openapi.json", "registryName": "io.elevenlabs/mcp", "capabilities": [ "speech.tts", "speech.streaming", "speech.voices", "speech.ssml", "speech.languages" ], "tags": [ "hosted", "freemium", "free-tier", "closed-source", "python", "typescript", "openapi", "llms-txt", "mcp", "streaming", "enterprise" ], "lastRelease": "2026-10-27", "graded": true, "anchor": { "graded": true, "score": 75.3, "grade": "BB", "agentReady": true, "rank": 67, "ranked": true, "rankOf": 1486, "categoryRank": 3, "methodology": "0.7", "run": "2026-10-01", "scores": { "ergonomics": 92, "maintenance": 77, "payments": 40, "reliability": 80, "schema": 94, "security": 65, "transparency": 68 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "high", "date": "2026-11-01" }, "negative": 0, "verdict": "Keys can be limited to chosen endpoints and given a credit quota, and service accounts hold keys that don't belong to a person. The Terms let ElevenLabs train on content unless you opt out, which the Eleven v4 launch page contradicts, and v4 runs through Text to Dialogue rather than the classic text-to-speech endpoint.", "bestFor": "Best when an agent needs many languages, many voices or the most expressive models from one vendor, and the operator can accept training by default or pay for Enterprise.", "strengths": [ "Keys can be limited to chosen endpoints, IP ranges and a credit quota, and service accounts hold keys that don't belong to a person", "Error reference with 73 codes across 10 types, and errors carry `type`, `code`, `message`, `param` and `request_id`", "OpenAPI file, llms.txt and Markdown twins of every docs page", "`GET /v2/voices` pages with `next_page_token` and filters by language, accent, gender and use case", "Free plan with 10,000 v4 characters a month and no card" ], "weaknesses": [ "Content may be used for training unless you opt out under Data use, though the Eleven v4 launch page says it isn't used without consent", "Zero retention (`enable_logging=false`) is Enterprise only, and TTS text and audio are kept by default", "No SLA published for self-serve plans", "Eleven v4 and v3 ignore SSML `\u003cbreak\u003e` tags", "Deprecated Turbo models and previous-generation models carry no retirement dates" ], "agentNotes": [ "Call Eleven v4 through `POST /v1/text-to-dialogue` and set `model_id` to `eleven_v4`, because that endpoint defaults to `eleven_v3`.", "Retrain an older Instant or Professional Voice Clone on v4 before using it there, since earlier clones aren't tuned for the new model.", "Spell out numbers yourself on `eleven_flash_v2_5`, which doesn't normalise them by default, and turning that on is Enterprise only.", "On 429 read `code`, back off on `rate_limit_exceeded` and wait for running requests on `concurrent_limit_exceeded`.", "Give the agent a key scoped to Text to Speech with a credit quota and, for a fixed server, an IP allowlist." ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 3.5, "history": [ { "basis": "public evidence", "confidence": "high", "grade": "BB", "methodology": "0.7", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 75.3 } ], "editorialScores": { "ergonomics": 92, "maintenance": 77, "payments": 40, "reliability": 80, "schema": 94, "security": 65, "transparency": 45 }, "provenanceScore": 91, "checked": { "categories": { "ergonomics": "2026-11-01", "maintenance": "2026-11-01", "payments": "2026-11-01", "reliability": "2026-11-01", "schema": "2026-11-01", "security": "2026-11-01", "transparency": "2026-11-01" }, "last": "2026-11-01", "lastMoved": "2026-10-27", "oldest": "2026-11-01", "stale": false, "staleAfterDays": 90 } }, "connect": { "http": "curl -X POST \"https://api.elevenlabs.io/v1/text-to-speech/JBFqnCBsd6RMkjVDRZzb?output_format=mp3_44100_128\" \\\n -H \"xi-api-key: $ELEVENLABS_API_KEY\" -H \"content-type: application/json\" -o speech.mp3 \\\n -d '{\"text\":\"Your table is booked for seven.\",\"model_id\":\"eleven_flash_v2_5\"}'", "claudeCode": "claude mcp add --transport http elevenlabs https://api.elevenlabs.io/v1/mcp", "config": { "mcpServers": { "elevenlabs": { "args": [ "elevenlabs-mcp" ], "command": "uvx", "env": { "ELEVENLABS_API_KEY": "${ELEVENLABS_API_KEY}" } } } } }, "letme": { "capability": "https://letme.dev/speech.tts", "tool": "https://letme.dev/elevenlabs-tts" }, "sameCompany": [ "elevenlabs-music", "elevenlabs-scribe", "elevenlabs-agents", "elevenlabs-voice-cloning" ], "area": "voice", "unitPrices": [ { "item": "Eleven v4", "unit": "1m-chars", "usd": 80 }, { "item": "Eleven v4 Turbo", "unit": "1m-chars", "usd": 40 }, { "item": "Eleven v3 / Multilingual v2", "unit": "1m-chars", "usd": 80 }, { "item": "Flash v2.5 / v3 Conversational", "unit": "1m-chars", "usd": 40 }, { "item": "Starter plan", "unit": "month", "usd": 6, "note": "$1 first month, 75,000 v4 characters" }, { "item": "Creator plan", "unit": "month", "usd": 22, "note": "$11 first month, 275,000 v4 characters" } ], "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": "2026-11-01", "score": 91 }, "requirements": { "setupChecked": true, "complianceChecked": true, "card": "unknown", "freeTier": true, "minutes": 3, "credential": "api-key", "hosting": [ "US", "EU", "APAC" ], "euResidency": "enterprise", "trainsOnData": "opt-out", "zeroRetention": "enterprise", "certifications": [ "HIPAA (BAA available)", "GDPR" ], "dpa": true, "selfHost": "no" }, "pageJsonUrl": "https://www.anchorterminal.com/tools/elevenlabs-tts.json", "live": { "slug": "elevenlabs-tts", "probe": { "target": "https://api.elevenlabs.io/v1", "method": "get", "lastAt": "2026-11-07T18:20:22.852690654Z", "lastOk": true, "lastStatus": 404, "lastMs": 214, "authRequired": false, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 135, "p95ms24h": 210, "samples24h": 239, "samples30d": 7910, "days": [ { "date": "2026-10-07", "probes": 272, "ok": 272 }, { "date": "2026-10-08", "probes": 268, "ok": 268 }, { "date": "2026-10-09", "probes": 250, "ok": 250 }, { "date": "2026-10-10", "probes": 247, "ok": 247 }, { "date": "2026-10-11", "probes": 247, "ok": 247 }, { "date": "2026-10-12", "probes": 247, "ok": 247 }, { "date": "2026-10-13", "probes": 248, "ok": 248 }, { "date": "2026-10-14", "probes": 249, "ok": 249 }, { "date": "2026-10-15", "probes": 253, "ok": 253 }, { "date": "2026-10-16", "probes": 252, "ok": 252 }, { "date": "2026-10-17", "probes": 253, "ok": 253 }, { "date": "2026-10-18", "probes": 256, "ok": 256 }, { "date": "2026-10-19", "probes": 255, "ok": 255 }, { "date": "2026-10-20", "probes": 252, "ok": 252 }, { "date": "2026-10-21", "probes": 253, "ok": 253 }, { "date": "2026-10-22", "probes": 253, "ok": 253 }, { "date": "2026-10-23", "probes": 248, "ok": 248 }, { "date": "2026-10-24", "probes": 251, "ok": 251 }, { "date": "2026-10-25", "probes": 250, "ok": 250 }, { "date": "2026-10-26", "probes": 252, "ok": 252 }, { "date": "2026-10-27", "probes": 249, "ok": 249 }, { "date": "2026-10-28", "probes": 251, "ok": 251 }, { "date": "2026-10-29", "probes": 248, "ok": 248 }, { "date": "2026-10-30", "probes": 249, "ok": 249 }, { "date": "2026-10-31", "probes": 251, "ok": 251 }, { "date": "2026-11-01", "probes": 249, "ok": 249 }, { "date": "2026-11-02", "probes": 250, "ok": 250 }, { "date": "2026-11-03", "probes": 248, "ok": 248 }, { "date": "2026-11-04", "probes": 246, "ok": 246 }, { "date": "2026-11-05", "probes": 185, "ok": 185 }, { "date": "2026-11-06", "probes": 241, "ok": 241 }, { "date": "2026-11-07", "probes": 187, "ok": 187 } ] }, "vendorStatus": { "page": "https://status.elevenlabs.io", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-11-07T18:21:04.941893673Z" }, "versions": [ { "registry": "github", "name": "elevenlabs/elevenlabs-python", "version": "v2.77.0", "released": "2026-11-06", "seenAt": "2026-11-06T23:23:49.572435436Z" }, { "registry": "mcp-registry", "name": "io.elevenlabs/mcp", "version": "1.0.0", "seenAt": "2026-11-07T18:16:28.95801333Z" }, { "registry": "npm", "name": "@elevenlabs/elevenlabs-js", "version": "2.77.0", "seenAt": "2026-11-06T23:23:47.294332639Z" }, { "registry": "pypi", "name": "elevenlabs", "version": "2.77.0", "released": "2026-11-06", "seenAt": "2026-11-06T23:23:47.520593072Z" }, { "registry": "pypi", "name": "elevenlabs-mcp", "version": "0.12.2", "released": "2026-08-04", "seenAt": "2026-11-06T23:23:47.666644748Z" } ], "githubStars": 3174, "npmWeekly": 1372717, "pypiWeekly": 2780548, "securityTxt": { "url": "https://elevenlabs.io/.well-known/security.txt", "state": "valid", "expires": "2027-10-06T00:00:00.000Z", "checkedAt": "2026-11-07T16:01:30.458873656Z" }, "llmsTxt": { "url": "https://elevenlabs.io/docs/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-11-07T15:32:27.345162167Z" }, "domain": { "domain": "elevenlabs.io", "checkedAt": "2026-11-01T14:12:37.895521288Z" }, "mcpTools": { "url": "https://api.elevenlabs.io/v1/mcp", "checkedAt": "2026-11-07T01:44:07.517120834Z", "status": "auth", "note": "asks for credentials before listing its tools", "changedAt": "2026-11-07T01:44:07.517120834Z" }, "github": { "repo": "elevenlabs/elevenlabs-python", "checkedAt": "2026-11-02T08:46:10.308861891Z", "stars": 3170, "archived": false, "issuesEnabled": true, "pushedAt": "2026-10-30T19:21:45Z", "openIssues": 20, "openPRs": 35, "issuesOpened90d": 13, "issuesClosed90d": 7, "prsMerged90d": 33, "ci": { "branch": "main", "runs": 50, "success": 49, "failure": 1, "other": 0, "latest": "success", "latestAt": "2026-10-27T23:12:03Z" }, "replies": { "sampled": 25, "unanswered": 8, "medianDays": 2.3 } }, "updatedAt": "2026-11-07T18:21:04.941893673Z" } }, "answer": "ElevenLabs Text to Speech API + MCP scores 75.3 (BB) on agent readiness against MiniMax Speech (T2A)'s 55.1 (C), and leads in every scored category.", "b": { "slug": "minimax-speech", "name": "MiniMax Speech (T2A)", "vendor": "MiniMax", "vendorUrl": "https://www.minimax.io", "kind": "model", "category": "text-to-speech", "summary": "MiniMax's text-to-speech API synthesises speech with its speech-2.8 HD and Turbo models over HTTP with optional streaming, WebSocket (including bidirectional text streaming) and an asynchronous long-text API, with 300+ system voices, pronunciation dictionaries and subtitles.", "url": "https://www.anchorterminal.com/tools/minimax-speech", "markdownUrl": "https://www.anchorterminal.com/tools/minimax-speech.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/minimax-speech.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/minimax-speech.json", "dns": "minimax-speech.grade.anchorterminal.com", "transports": [ "http", "websocket" ], "packages": [ { "registry": "pypi", "name": "minimax-mcp" }, { "registry": "npm", "name": "minimax-mcp-js" } ], "auth": "api-key", "authNotes": "Bearer API key created in the platform console under Account, API Keys. No scopes were found in the docs. Mainland China accounts use `https://api.minimaxi.com`.", "pricing": "usage", "pricingNotes": "Pay as you go from a prepaid balance. speech-2.8-hd costs $100 and speech-2.8-turbo $60 per million characters, on the sync and async APIs alike. Audio subscriptions from $5 a month add voice slots and higher request rates. No free allowance is published for speech synthesis.", "priceSummary": "Pay per use", "where": "local", "x402": { "level": "no", "evidence": "No x402, MPP or L402 in the docs, OpenAPI and AsyncAPI files or pricing page (checked 2026-11-06).", "endpoints": [] }, "toolCount": 0, "popularity": { "githubStars": null, "npmWeekly": null, "pypiWeekly": null, "asOf": "2026-11-06" }, "docsUrl": "https://platform.minimax.io/docs/api-reference/speech-t2a-http", "llmsTxt": "https://platform.minimax.io/docs/llms.txt", "openapi": "https://platform.minimax.io/docs/api-reference/speech/t2a/api/openapi.json", "capabilities": [ "speech.tts", "speech.streaming", "speech.voices", "speech.languages" ], "tags": [ "official", "hosted", "usage-priced", "prepaid", "openapi", "llms-txt", "mcp", "python", "typescript", "status-page" ], "lastRelease": "2026-01-23", "graded": true, "anchor": { "graded": true, "score": 55.1, "grade": "C", "agentReady": false, "rank": 879, "ranked": true, "rankOf": 1486, "categoryRank": 13, "methodology": "0.7", "run": "2026-10-01", "scores": { "ergonomics": 56, "maintenance": 38, "payments": 20, "reliability": 75, "schema": 81, "security": 36, "transparency": 65 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-11-06" }, "negative": 0, "verdict": "MiniMax's speech API covers sync, WebSocket, bidirectional and async synthesis with OpenAPI and AsyncAPI files and public prices of $60 to $100 per million characters. Text-to-Speech had only short incidents in 90 days. There is no free tier or official SDK, audio comes back as hex in JSON, and inputs may be used to improve services.", "bestFor": "Multilingual speech for narration and agents at mid-range prices, with strong Chinese voices by the vendor's account.", "strengths": [ "OpenAPI files for sync and async synthesis and AsyncAPI files for both sockets", "Statuspage with a Text-to-Speech component; three incidents in 90 days, the longest 22 minutes", "Public prices of $60 (Turbo) and $100 (HD) per million characters on sync and async alike", "Pronunciation dictionaries, pause markers, timbre mixing and subtitles", "Official MCP servers in Python and JavaScript with a speech tool" ], "weaknesses": [ "No free allowance for synthesis and no official SDK", "Sync responses carry audio as hex inside JSON, and the OpenAPI file documents only a 200 response", "API release notes stop at 28 October 2025, and the newest speech model dates from January 2026", "Terms let MiniMax use inputs to improve its services with no opt-out, and no retention period is published", "No security.txt, disclosure policy or certification found" ], "agentNotes": [ "Keep sync requests under 10,000 characters and use the async API for longer text", "Decode the hex `audio` field before saving, or stream for text over 3,000 characters", "Check `base_resp.status_code` on every response, since errors arrive inside a 200", "Stay under 60 requests a minute and back off on code 1002", "Use speech-2.8-turbo for agents and HD only where quality matters, since HD costs two thirds more" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 0, "avgRating": 0, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "C", "methodology": "0.7", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 55.1 } ], "editorialScores": { "ergonomics": 56, "maintenance": 38, "payments": 20, "reliability": 75, "schema": 81, "security": 36, "transparency": 48 }, "provenanceScore": 82, "checked": { "categories": { "ergonomics": "2026-11-06", "maintenance": "2026-11-06", "payments": "2026-11-06", "reliability": "2026-11-06", "schema": "2026-11-06", "security": "2026-11-06", "transparency": "2026-11-06" }, "last": "2026-11-06", "oldest": "2026-11-06", "stale": false, "staleAfterDays": 90 } }, "connect": { "http": "curl -X POST https://api.minimax.io/v1/t2a_v2 \\\n -H \"Authorization: Bearer $MINIMAX_API_KEY\" -H \"Content-Type: application/json\" \\\n -d '{\"model\": \"speech-2.8-turbo\", \"text\": \"Hello from MiniMax.\", \"voice_setting\": {\"voice_id\": \"English_expressive_narrator\"}}'" }, "letme": { "capability": "https://letme.dev/speech.tts", "tool": "https://letme.dev/minimax-speech" }, "sameCompany": [ "minimax-api", "minimax-video", "minimax-stt", "minimax-voice-cloning", "minimax-code", "minimax-m2-5", "minimax-m2-7", "minimax-m3-1-flash" ], "area": "voice", "unitPrices": [ { "item": "speech-2.8-hd", "unit": "1m-chars", "usd": 100, "note": "sync and async" }, { "item": "speech-2.8-turbo", "unit": "1m-chars", "usd": 60, "note": "sync and async" } ], "provenance": { "legalEntity": "Nanonoble Pte. Ltd.", "domain": "minimax.io", "domainRegistered": "2021-03-27", "endpointOnVendorDomain": true, "terms": "https://platform.minimax.io/protocol/terms-of-service", "privacy": "https://platform.minimax.io/protocol/privacy-policy", "statusPage": "https://status.minimax.io", "changelog": "https://platform.minimax.io/docs/release-notes/apis", "securityTxt": "none", "checked": "2026-11-06", "notes": [ "Nanonoble Pte. Ltd., 152 Beach Road, #14-02 Gateway East, Singapore, is named in the terms (effective 30 March 2026) and the privacy policy (updated 30 March 2026), read on 4 November 2026 from the document text the pages carry for the browser, as on the minimax-api listing. The 8 October reader recorded both pages as unreadable.", "RDAP for minimax.io gives a registration date of 2021-03-27 and a transfer on 2025-01-31, as recorded on 8 October.", "platform.minimax.io/.well-known/security.txt returns 404 (per the 8 October check), and www.minimax.io/.well-known/security.txt redirects to the home page.", "The API release notes page has no entry after 28 October 2025 on 4 November. Model releases are dated on a separate page, whose newest speech model is Speech 2.8 (23 January 2026).", "status.minimax.io/robots.txt disallows /api/, so incidents were read from the /history pages only.", "firstReleased is left empty. lastRelease is Speech 2.8, dated 23 January 2026 on the model release page." ], "score": 82 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/minimax-speech.json", "live": { "slug": "minimax-speech", "vendorStatus": { "page": "https://status.minimax.io", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-11-07T18:21:22.955290584Z" }, "versions": [ { "registry": "npm", "name": "minimax-mcp-js", "version": "0.0.18", "seenAt": "2026-11-06T23:46:02.528010346Z" }, { "registry": "pypi", "name": "minimax-mcp", "version": "0.0.19", "released": "2026-08-21", "seenAt": "2026-11-06T23:46:02.341494165Z" } ], "npmWeekly": 493, "pypiWeekly": 2443, "securityTxt": { "url": "https://minimax.io/.well-known/security.txt", "state": "none", "checkedAt": "2026-11-07T16:00:57.120551174Z" }, "llmsTxt": { "url": "https://platform.minimax.io/docs/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-11-07T15:33:04.532998601Z" }, "pages": [ { "url": "https://platform.minimax.io/docs/release-notes/apis", "kind": "changelog", "status": 200, "checkedAt": "2026-11-07T14:16:49.741417545Z", "changedAt": "2026-11-05T12:39:36.530148547Z", "fingerprint": "dc39bde39ad3" } ], "updatedAt": "2026-11-07T18:21:22.955290584Z" } }, "edges": [ { "by": 39, "category": "maintenance", "leads": "elevenlabs-tts", "name": "Maintenance \u0026 community", "reasons": { "a": "Read as a model. Newest release is SDK 2.75.0, tagged in both the Python and JavaScript repositories on 27 October 2026 (23:02 UTC) and listed in the 26 October changelog entry, which also added `clone_strength` to Text to Speech (30). Weekly dated entries, 16 between 3 August and 26 October (10). Turbo v2 and v2.5 are still marked deprecated in favour of Flash with no dates or notice period, v3 and Multilingual v2 are labelled previous generation without a retirement date, and the 26 October entry deprecates `use_pvc_as_ivc` on Text to Dialogue and the `/v1/speech-to-speech` paths without a removal date (0 of 10). Public changelog and support channels (10 of 15). The Python SDK had 19 open issues on 1 October, several opened in August 2026, not re-read on 17 October or 1 November (5 of 10). Official Python and TypeScript SDKs current at 2.75.0, with 3.0.0-alpha.1 tagged (15). Fern-generated SDK with an open issue about a blank changelog, per the 1 October check (7 of 10). 30 + 10 + 0 + 10 + 5 + 15 + 7 = 77.", "b": "Read as a model, as minimax-voice-cloning is. The newest dated change touching speech is the MCP servers' August update, `minimax-mcp-js` 0.0.18 on 21 August 2026, 77 days before 6 November, and Speech 2.8 dates from 23 January 2026 (20 of 30). No dated API entries in the last 90 days (0). Support by email and Discord, not tested (6 of 15). No official SDK for speech; the MCP servers expose `text_to_audio` and `list_voices` (8 of 15). The Python MCP server has tests and moved to version 2 of the MCP SDK in August, with no CI workflow (4 of 10). Total 38." }, "scores": { "a": 77, "b": 38 } }, { "by": 36, "category": "ergonomics", "leads": "elevenlabs-tts", "name": "Agent ergonomics", "reasons": { "a": "API reading of the checklist. MP3, PCM, WAV, Opus, mu-law and A-law output, streaming over HTTP or WebSocket, and character timestamps on a separate endpoint so you only pay the payload when you ask for it. Higher-quality formats are gated by plan (22 of 25). Per-request character caps published per model (40,000 on Flash v2.5, 10,000 on v4 and Multilingual v2, 5,000 on v3). `GET /v2/voices` pages with `page_size` (default 10) and `next_page_token` and filters by search, category, language, gender, age, accent and use case, and `/v1/shared-voices` pages the Voice Library with a sort enum (20). Errors carry `type`, `code`, `message`, `param` and `request_id` (20). Backoff guidance for 429, and an optional `seed` for best-effort repeatable output. Nothing found on whether failed calls are billed. Since 26 October requests priced below one credit are charged one credit, and refunds return the credits charged (15 of 20). Only the text and a voice ID are required, `model_id` defaults to Multilingual v2 on Text to Speech and to v3 on Text to Dialogue, `output_format` to 128 kbps MP3, and official SDKs ship in Python and TypeScript (15).", "b": "API reading of the checklist. Audio comes back hex-encoded inside JSON by default, with subtitles opt-in and format, bitrate and sample rate settable (15 of 25). Voices are listed by type through `POST /v1/get_voice`, which has no pagination and returns 300+ system voices for `all` (10 of 20). Errors come as numeric codes in `base_resp` with a short remedy for each, inside responses documented only as 200 (13 of 20). No idempotency key, and the MCP tools carry no read-only or destructive annotations (10 of 20). Two required fields. No official SDK for speech, with MCP servers in Python and JavaScript (8 of 15). Total 56." }, "scores": { "a": 92, "b": 56 } }, { "by": 29, "category": "security", "leads": "elevenlabs-tts", "name": "Security \u0026 auth", "reasons": { "a": "Model reading of the checklist, with training and retention in place of least-privilege and injection lines. Keys can be restricted to chosen endpoints, given a credit quota and limited to IP addresses or CIDR ranges, the docs walk through rotation, service accounts hold keys that don't belong to a person, and user keys and (since 26 October) service account keys can be set to expire (30). The Terms (updated 9 October 2026, re-read on 1 November) still let ElevenLabs use content to improve its models, with an opt-out under Data use in account settings that only applies going forward (10). TTS text and audio are kept by default and zero retention through `enable_logging=false` is Enterprise only (5). The generation history lists each request, though we found no audit log of key actions (10 of 15). A valid security.txt (expiring 6 October 2027, re-read on 1 November) pointing to a report form, and the Eleven v4 launch page states SOC 2 Type II, ISO 27001 and PCI DSS Level 1 certification. We count those as vendor claims because we saw no report, and the trust centre wasn't re-read. No bug bounty or public advisories found (10). 30 + 10 + 5 + 10 + 10 = 65.", "b": "Model reading of the checklist, with training and retention in place of the least-privilege and injection lines. Plain API keys with no scopes found, and leaked keys may be disabled (20 of 30). The terms (effective 30 March 2026), as read for minimax-voice-cloning on 4 November, let MiniMax use input and generated content to operate, maintain, develop and improve its services, with no opt-out found, and the privacy policy rules out only training to profile or target consumers (5 of 20). The speech docs call every interface stateless, and no retention period for submitted text or generated audio was found (5 of 15). Responses carry `usage_characters` and a trace ID, with no audit log (6 of 15). No security.txt, disclosure policy, bug bounty or certification found (0 of 20). Total 36." }, "scores": { "a": 65, "b": 36 } }, { "by": 20, "category": "payments", "leads": "elevenlabs-tts", "name": "Payments \u0026 pricing", "reasons": { "a": "No x402, MPP or L402 (0). Per-1,000-character prices for every model published without a login, re-read on 1 November, $0.08 on v4, v3 and Multilingual v2 and $0.04 on v4 Turbo, v3 Conversational and Flash (20). Free plan with 10,000 v4 characters a month and no card, per the 5 October check. The pricing page read on 1 November lists card, Apple Pay and Google Pay for paid subscriptions and doesn't say the free plan needs one (20). A person signs up in a browser (0). 0 + 20 + 20 + 0 = 40.", "b": "No x402, MPP or L402 (0). Per-character prices for every speech model published without a login (20). No free allowance for synthesis is published (0). A person signs up in a browser and funds a balance (0). Total 20." }, "scores": { "a": 40, "b": 20 } }, { "by": 13, "category": "schema", "leads": "elevenlabs-tts", "name": "Schema \u0026 documentation", "reasons": { "a": "OpenAPI file at api.elevenlabs.io/openapi.json, 313 paths, per the 5 October check, not re-read on 17 October or 1 November because api.elevenlabs.io's robots.txt disallows it (25). llms.txt with a Markdown twin of every page, re-read on 1 November (10). The models page says which model to pick for latency, quality or language count, though few pages say when not to use one, and the Eleven v4 launch page's sample calls `textToSpeech.convert` while the docs route v4 through Text to Dialogue (16 of 20). Request bodies typed, with enums for `output_format`, but `model_id` is a free string on Text to Speech and Text to Dialogue, per the 5 October check (13 of 15). Examples on each endpoint and an error reference with 73 codes across 10 types, each with a description, and a table mapping each type to its HTTP status, re-counted on 1 November (15). Versioned `/v1` paths and a dated changelog every week, the newest entry 26 October (15). 25 + 10 + 16 + 13 + 15 + 15 = 94.", "b": "OpenAPI 3.1 for the sync and async routes and AsyncAPI files for the WebSocket and bidirectional sockets (25). llms.txt and a Markdown copy of every page (10). The text field says when to stream and how to mark pauses, and guides separate sync, WebSocket and async use (15 of 20). Enums for model and audio settings, with `model` and `text` required (13 of 15). Examples throughout and the shared table of error codes, but the OpenAPI file documents only a 200 response (10 of 15). Versioned `/v1` paths. The API release notes stop at 28 October 2025, and the last T2A entry is 23 September 2025 (8 of 15). Total 81." }, "scores": { "a": 94, "b": 81 } }, { "by": 5, "category": "reliability", "leads": "elevenlabs-tts", "name": "Reliability", "reasons": { "a": "incident.io status page with a Text-to-Speech component and dated history (20). Re-read on 1 November from the history page (the incidents feed was re-posted on 21 October and now lists 25 incidents, none of them TTS). Four incidents touched the Text to Speech component in the 90 days from 3 August, all at degraded performance. Elevated TTS and STT error rates from 06:39 to 07:13 UTC on 3 August, posted after it was fixed, elevated TTS and STT latency from 15:15 to 17:53 UTC on 26 August (2 hours 38 minutes, not the 6 hours the 17 October note gave), about 3 hours of increased latency on 6 October (09:09 to 12:14 UTC) and 11 minutes of TTS failures and latency during a traffic spike on 12 October. The partial outages in that time hit Agents components, Telephony, Dubbing and STT, among them about 5 hours of US timeouts on 13 October whose affected components don't include Text to Speech. Nothing has touched TTS since 12 October (20). TTS concurrency per plan published with numbers, re-read on 1 November, 2 on Multilingual v2 and 4 on Flash for Free up to 15 and 30 on Scale, with `current-concurrent-requests` and `maximum-concurrent-requests` response headers (15). The error reference returns `rate_limit_exceeded` and `concurrent_limit_exceeded` as 429 and asks for exponential backoff (15). No SLA found for self-serve plans, and the API pricing page still puts SLAs under Enterprise (0). The TTS endpoints and Eleven v4 carry no alpha or beta label (10). 20 + 20 + 15 + 15 + 0 + 10 = 80.", "b": "Atlassian Statuspage at status.minimax.io with a Text-to-Speech component (20). Its history, re-read on 6 November, shows three incidents in the 90 days from 8 August, all titled elevated errors and labelled major, 22 minutes on 28 September, 3 minutes on 16 October and 2 minutes on 19 October, and none in November. Elevated errors with no fuller scope are read as partial, as on minimax-api and minimax-voice-cloning, so minor only (20). T2A is limited to 60 requests a minute, with higher limits on audio subscriptions (15). Error codes 1002 and 2045 say to retry later and avoid sudden increases, with no Retry-After or backoff figures (10 of 15). No SLA (0). No beta or preview label on T2A (10). 20 + 20 + 15 + 10 + 0 + 10 = 75." }, "scores": { "a": 80, "b": 75 } } ], "facts": [ { "a": "Model API", "b": "Model API", "name": "Kind" }, { "a": "ElevenLabs", "b": "MiniMax", "name": "Vendor" }, { "a": "https://api.elevenlabs.io/v1", "b": "no (local only)", "name": "Hosted endpoint" }, { "a": "HTTP, Streamable HTTP, stdio", "b": "HTTP, websocket", "name": "Transports" }, { "a": "OAuth or key", "b": "API key", "name": "Auth" }, { "a": "Freemium", "b": "Pay per use", "name": "Pricing" }, { "a": "no", "b": "no", "name": "x402" }, { "a": "MIT (SDKs)", "b": "none", "name": "Licence" }, { "a": "none", "b": "0", "name": "Tools exposed" }, { "a": "no", "b": "no", "name": "Read-only variant documented" }, { "a": "yes", "b": "yes", "name": "llms.txt" }, { "a": "io.elevenlabs/mcp", "b": "not listed", "name": "MCP registry" }, { "a": "2026-10-27", "b": "2026-01-23", "name": "Last release" }, { "a": "2026-03-31", "b": "couldn't be read", "name": "Terms last updated" }, { "a": "2026-05-20", "b": "couldn't be read", "name": "Privacy policy last updated" }, { "a": "yes, with an opt-out", "b": "couldn't be read", "name": "Customer content may train models" }, { "a": "not found in the text", "b": "couldn't be read", "name": "Terms restrict automated access" }, { "a": "not found in the text", "b": "couldn't be read", "name": "Terms restrict benchmarking" }, { "a": "yes", "b": "couldn't be read", "name": "Terms or service can change without notice" }, { "a": "yes", "b": "couldn't be read", "name": "Arbitration or class-action waiver" }, { "a": "3.1k stars, 1.1M npm/wk, 2.2M PyPI/wk", "b": "none", "name": "Popularity" }, { "a": "3.5/5 (2)", "b": "none", "name": "Agent reviews" } ], "faq": [ { "answer": "ElevenLabs Text to Speech API + MCP scores 75.3 (BB) on agent readiness against MiniMax Speech (T2A)'s 55.1 (C), and leads in every scored category.", "question": "Which is better for AI agents, ElevenLabs Text to Speech API + MCP or MiniMax Speech (T2A)?" }, { "answer": "ElevenLabs Text to Speech API + MCP takes an API key or an OAuth sign-in. MiniMax Speech (T2A) needs an API key.", "question": "Do ElevenLabs Text to Speech API + MCP and MiniMax Speech (T2A) need an API key?" }, { "answer": "ElevenLabs Text to Speech API + MCP has a hosted endpoint at https://api.elevenlabs.io/v1. No hosted endpoint is listed for MiniMax Speech (T2A).", "question": "Can an agent call ElevenLabs Text to Speech API + MCP and MiniMax Speech (T2A) without installing anything?" } ], "goodFor": [ { "aheadOn": [ "Reliability, 80 against 75", "Schema \u0026 documentation, 94 against 81", "Agent ergonomics, 92 against 56", "Security \u0026 auth, 65 against 36", "Payments \u0026 pricing, 40 against 20", "Maintenance \u0026 community, 77 against 38" ], "also": [ "Agent-ready, a grade of BB or better", "A hosted endpoint, with nothing to install", "Runs on your own machine" ], "goodFor": "Best when an agent needs many languages, many voices or the most expressive models from one vendor, and the operator can accept training by default or pay for Enterprise.", "slug": "elevenlabs-tts", "watchFor": "Content may be used for training unless you opt out under Data use, though the Eleven v4 launch page says it isn't used without consent" }, { "aheadOn": null, "also": null, "goodFor": "Multilingual speech for narration and agents at mid-range prices, with strong Chinese voices by the vendor's account.", "slug": "minimax-speech", "watchFor": "No free allowance for synthesis and no official SDK" } ], "history": { "elevenlabs-tts": [ { "causes": [ "method" ], "date": "2026-10-27", "delta": 0.1, "from": 75.2, "fromGrade": "BB", "to": 75.3, "toGrade": "BB" }, { "causes": [ "method" ], "date": "2026-10-08", "delta": -0.2, "from": 75.4, "fromGrade": "BB", "to": 75.2, "toGrade": "BB" }, { "causes": [ "evidence" ], "date": "2026-10-06", "delta": 2.3, "from": 73.1, "fromGrade": "BB", "to": 75.4, "toGrade": "BB" } ], "minimax-speech": null }, "job": { "capability": "speech.tts", "name": "Text-to-speech" }, "others": [ { "json": "https://www.anchorterminal.com/compare/amazon-polly-vs-elevenlabs-tts.json", "title": "Amazon Polly vs ElevenLabs Text to Speech API + MCP", "url": "https://www.anchorterminal.com/compare/amazon-polly-vs-elevenlabs-tts" }, { "json": "https://www.anchorterminal.com/compare/amazon-polly-vs-minimax-speech.json", "title": "Amazon Polly vs MiniMax Speech (T2A)", "url": "https://www.anchorterminal.com/compare/amazon-polly-vs-minimax-speech" }, { "json": "https://www.anchorterminal.com/compare/azure-text-to-speech-vs-elevenlabs-tts.json", "title": "Azure AI Speech text-to-speech vs ElevenLabs Text to Speech API + MCP", "url": "https://www.anchorterminal.com/compare/azure-text-to-speech-vs-elevenlabs-tts" }, { "json": "https://www.anchorterminal.com/compare/azure-text-to-speech-vs-minimax-speech.json", "title": "Azure AI Speech text-to-speech vs MiniMax Speech (T2A)", "url": "https://www.anchorterminal.com/compare/azure-text-to-speech-vs-minimax-speech" }, { "json": "https://www.anchorterminal.com/compare/cartesia-tts-vs-elevenlabs-tts.json", "title": "Cartesia Sonic TTS API + MCP vs ElevenLabs Text to Speech API + MCP", "url": "https://www.anchorterminal.com/compare/cartesia-tts-vs-elevenlabs-tts" }, { "json": 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"https://www.anchorterminal.com/compare/inworld-tts-vs-minimax-speech.json", "title": "Inworld Realtime TTS-2 vs MiniMax Speech (T2A)", "url": "https://www.anchorterminal.com/compare/inworld-tts-vs-minimax-speech" }, { "json": "https://www.anchorterminal.com/compare/minimax-speech-vs-murf-tts.json", "title": "MiniMax Speech (T2A) vs Murf TTS API + MCP", "url": "https://www.anchorterminal.com/compare/minimax-speech-vs-murf-tts" }, { "json": "https://www.anchorterminal.com/compare/minimax-speech-vs-playht-tts.json", "title": "MiniMax Speech (T2A) vs PlayHT Text-to-Speech API", "url": "https://www.anchorterminal.com/compare/minimax-speech-vs-playht-tts" }, { "json": "https://www.anchorterminal.com/compare/minimax-speech-vs-resemble-ai-tts.json", "title": "MiniMax Speech (T2A) vs Resemble AI Text-to-Speech API", "url": "https://www.anchorterminal.com/compare/minimax-speech-vs-resemble-ai-tts" }, { "json": "https://www.anchorterminal.com/compare/minimax-speech-vs-rime-tts.json", "title": "MiniMax Speech (T2A) vs Rime TTS API + MCP", "url": "https://www.anchorterminal.com/compare/minimax-speech-vs-rime-tts" }, { "json": "https://www.anchorterminal.com/compare/minimax-speech-vs-smallest-lightning-tts.json", "title": "MiniMax Speech (T2A) vs Smallest.ai Lightning TTS", "url": "https://www.anchorterminal.com/compare/minimax-speech-vs-smallest-lightning-tts" }, { "json": "https://www.anchorterminal.com/compare/minimax-speech-vs-soniox-tts.json", "title": "MiniMax Speech (T2A) vs Soniox Text-to-Speech", "url": "https://www.anchorterminal.com/compare/minimax-speech-vs-soniox-tts" } ], "panel": null, "scores": [ { "by": 5, "edge": "elevenlabs-tts", "elevenlabs-tts": 80, "key": "reliability", "minimax-speech": 75, "name": "Reliability", "weight": 16 }, { "key": "performance", "name": "Performance", "pending": true, "weight": 10 }, { "by": 13, "edge": "elevenlabs-tts", "elevenlabs-tts": 94, "key": "schema", "minimax-speech": 81, "name": "Schema \u0026 documentation", "weight": 13 }, { "by": 36, "edge": "elevenlabs-tts", "elevenlabs-tts": 92, "key": "ergonomics", "minimax-speech": 56, "name": "Agent ergonomics", "weight": 13 }, { "by": 29, "edge": "elevenlabs-tts", "elevenlabs-tts": 65, "key": "security", "minimax-speech": 36, "name": "Security \u0026 auth", "weight": 14 }, { "by": 20, "edge": "elevenlabs-tts", "elevenlabs-tts": 40, "key": "payments", "minimax-speech": 20, "name": "Payments \u0026 pricing", "weight": 10 }, { "key": "tasks", "name": "Task success", "pending": true, "weight": 10 }, { "by": 39, "edge": "elevenlabs-tts", "elevenlabs-tts": 77, "key": "maintenance", "minimax-speech": 38, "name": "Maintenance \u0026 community", "weight": 7 }, { "by": 3, "edge": "elevenlabs-tts", "elevenlabs-tts": 68, "key": "transparency", "minimax-speech": 65, "name": "Transparency \u0026 trust", "weight": 7 } ], "summary": "ElevenLabs Text to Speech API + MCP scores 75.3 (BB) on agent readiness against MiniMax Speech (T2A)'s 55.1 (C), and leads in every scored category. Both do text-to-speech.", "tasks": [ { "a": "$0.36 to $0.72", "b": "$0.54 to $0.90", "cheaper": "elevenlabs-tts", "task": "Narrate a 9,000-character script", "what": "about 1,500 words" } ], "tutorials": [], "verdicts": { "elevenlabs-tts": "Keys can be limited to chosen endpoints and given a credit quota, and service accounts hold keys that don't belong to a person. The Terms let ElevenLabs train on content unless you opt out, which the Eleven v4 launch page contradicts, and v4 runs through Text to Dialogue rather than the classic text-to-speech endpoint.", "minimax-speech": "MiniMax's speech API covers sync, WebSocket, bidirectional and async synthesis with OpenAPI and AsyncAPI files and public prices of $60 to $100 per million characters. Text-to-Speech had only short incidents in 90 days. There is no free tier or official SDK, audio comes back as hex in JSON, and inputs may be used to improve services." } }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/elevenlabs-tts-vs-minimax-speech", "json": "https://www.anchorterminal.com/compare/elevenlabs-tts-vs-minimax-speech.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/elevenlabs-tts-vs-minimax-speech.md", "mcp": "https://www.anchorterminal.com/mcp", "slim": "https://www.anchorterminal.com/compare/elevenlabs-tts-vs-minimax-speech.min.md" }, "markdown": "ElevenLabs Text to Speech API + MCP scores 75.3 (BB) on agent readiness against MiniMax Speech (T2A)'s 55.1 (C), and leads in every scored category. Both do text-to-speech.\n\n- ElevenLabs Text to Speech API + MCP: grade BB, 75.3/100, rank #67 of 1486. Markdown https://www.anchorterminal.com/tools/elevenlabs-tts.md · JSON https://www.anchorterminal.com/api/v1/tools/elevenlabs-tts.json\n- MiniMax Speech (T2A): grade C, 55.1/100, rank #879 of 1486. Markdown https://www.anchorterminal.com/tools/minimax-speech.md · JSON https://www.anchorterminal.com/api/v1/tools/minimax-speech.json\n- Best text-to-speech APIs for AI agents: https://www.anchorterminal.com/best/text-to-speech/index.md\n- All 148 tts comparisons: https://www.anchorterminal.com/compare/text-to-speech/index.md\n\n## Which one, for what\n\n### ElevenLabs Text to Speech API + MCP (BB)\n\nGood for: Best when an agent needs many languages, many voices or the most expressive models from one vendor, and the operator can accept training by default or pay for Enterprise.\n\nAhead on:\n- Reliability, 80 against 75\n- Schema \u0026 documentation, 94 against 81\n- Agent ergonomics, 92 against 56\n- Security \u0026 auth, 65 against 36\n- Payments \u0026 pricing, 40 against 20\n- Maintenance \u0026 community, 77 against 38\n\nAlso in its favour:\n- Agent-ready, a grade of BB or better\n- A hosted endpoint, with nothing to install\n- Runs on your own machine\n\nWatch for: Content may be used for training unless you opt out under Data use, though the Eleven v4 launch page says it isn't used without consent\n\n### MiniMax Speech (T2A) (C)\n\nGood for: Multilingual speech for narration and agents at mid-range prices, with strong Chinese voices by the vendor's account.\n\nWatch for: No free allowance for synthesis and no official SDK\n\n\n## Why the edge\n\n### Maintenance \u0026 community: ElevenLabs Text to Speech API + MCP +39\n\n- ElevenLabs Text to Speech API + MCP (77): Read as a model. Newest release is SDK 2.75.0, tagged in both the Python and JavaScript repositories on 27 October 2026 (23:02 UTC) and listed in the 26 October changelog entry, which also added `clone_strength` to Text to Speech (30). Weekly dated entries, 16 between 3 August and 26 October (10). Turbo v2 and v2.5 are still marked deprecated in favour of Flash with no dates or notice period, v3 and Multilingual v2 are labelled previous generation without a retirement date, and the 26 October entry deprecates `use_pvc_as_ivc` on Text to Dialogue and the `/v1/speech-to-speech` paths without a removal date (0 of 10). Public changelog and support channels (10 of 15). The Python SDK had 19 open issues on 1 October, several opened in August 2026, not re-read on 17 October or 1 November (5 of 10). Official Python and TypeScript SDKs current at 2.75.0, with 3.0.0-alpha.1 tagged (15). Fern-generated SDK with an open issue about a blank changelog, per the 1 October check (7 of 10). 30 + 10 + 0 + 10 + 5 + 15 + 7 = 77.\n- MiniMax Speech (T2A) (38): Read as a model, as minimax-voice-cloning is. The newest dated change touching speech is the MCP servers' August update, `minimax-mcp-js` 0.0.18 on 21 August 2026, 77 days before 6 November, and Speech 2.8 dates from 23 January 2026 (20 of 30). No dated API entries in the last 90 days (0). Support by email and Discord, not tested (6 of 15). No official SDK for speech; the MCP servers expose `text_to_audio` and `list_voices` (8 of 15). The Python MCP server has tests and moved to version 2 of the MCP SDK in August, with no CI workflow (4 of 10). Total 38.\n\n### Agent ergonomics: ElevenLabs Text to Speech API + MCP +36\n\n- ElevenLabs Text to Speech API + MCP (92): API reading of the checklist. MP3, PCM, WAV, Opus, mu-law and A-law output, streaming over HTTP or WebSocket, and character timestamps on a separate endpoint so you only pay the payload when you ask for it. Higher-quality formats are gated by plan (22 of 25). Per-request character caps published per model (40,000 on Flash v2.5, 10,000 on v4 and Multilingual v2, 5,000 on v3). `GET /v2/voices` pages with `page_size` (default 10) and `next_page_token` and filters by search, category, language, gender, age, accent and use case, and `/v1/shared-voices` pages the Voice Library with a sort enum (20). Errors carry `type`, `code`, `message`, `param` and `request_id` (20). Backoff guidance for 429, and an optional `seed` for best-effort repeatable output. Nothing found on whether failed calls are billed. Since 26 October requests priced below one credit are charged one credit, and refunds return the credits charged (15 of 20). Only the text and a voice ID are required, `model_id` defaults to Multilingual v2 on Text to Speech and to v3 on Text to Dialogue, `output_format` to 128 kbps MP3, and official SDKs ship in Python and TypeScript (15).\n- MiniMax Speech (T2A) (56): API reading of the checklist. Audio comes back hex-encoded inside JSON by default, with subtitles opt-in and format, bitrate and sample rate settable (15 of 25). Voices are listed by type through `POST /v1/get_voice`, which has no pagination and returns 300+ system voices for `all` (10 of 20). Errors come as numeric codes in `base_resp` with a short remedy for each, inside responses documented only as 200 (13 of 20). No idempotency key, and the MCP tools carry no read-only or destructive annotations (10 of 20). Two required fields. No official SDK for speech, with MCP servers in Python and JavaScript (8 of 15). Total 56.\n\n### Security \u0026 auth: ElevenLabs Text to Speech API + MCP +29\n\n- ElevenLabs Text to Speech API + MCP (65): Model reading of the checklist, with training and retention in place of least-privilege and injection lines. Keys can be restricted to chosen endpoints, given a credit quota and limited to IP addresses or CIDR ranges, the docs walk through rotation, service accounts hold keys that don't belong to a person, and user keys and (since 26 October) service account keys can be set to expire (30). The Terms (updated 9 October 2026, re-read on 1 November) still let ElevenLabs use content to improve its models, with an opt-out under Data use in account settings that only applies going forward (10). TTS text and audio are kept by default and zero retention through `enable_logging=false` is Enterprise only (5). The generation history lists each request, though we found no audit log of key actions (10 of 15). A valid security.txt (expiring 6 October 2027, re-read on 1 November) pointing to a report form, and the Eleven v4 launch page states SOC 2 Type II, ISO 27001 and PCI DSS Level 1 certification. We count those as vendor claims because we saw no report, and the trust centre wasn't re-read. No bug bounty or public advisories found (10). 30 + 10 + 5 + 10 + 10 = 65.\n- MiniMax Speech (T2A) (36): Model reading of the checklist, with training and retention in place of the least-privilege and injection lines. Plain API keys with no scopes found, and leaked keys may be disabled (20 of 30). The terms (effective 30 March 2026), as read for minimax-voice-cloning on 4 November, let MiniMax use input and generated content to operate, maintain, develop and improve its services, with no opt-out found, and the privacy policy rules out only training to profile or target consumers (5 of 20). The speech docs call every interface stateless, and no retention period for submitted text or generated audio was found (5 of 15). Responses carry `usage_characters` and a trace ID, with no audit log (6 of 15). No security.txt, disclosure policy, bug bounty or certification found (0 of 20). Total 36.\n\n### Payments \u0026 pricing: ElevenLabs Text to Speech API + MCP +20\n\n- ElevenLabs Text to Speech API + MCP (40): No x402, MPP or L402 (0). Per-1,000-character prices for every model published without a login, re-read on 1 November, $0.08 on v4, v3 and Multilingual v2 and $0.04 on v4 Turbo, v3 Conversational and Flash (20). Free plan with 10,000 v4 characters a month and no card, per the 5 October check. The pricing page read on 1 November lists card, Apple Pay and Google Pay for paid subscriptions and doesn't say the free plan needs one (20). A person signs up in a browser (0). 0 + 20 + 20 + 0 = 40.\n- MiniMax Speech (T2A) (20): No x402, MPP or L402 (0). Per-character prices for every speech model published without a login (20). No free allowance for synthesis is published (0). A person signs up in a browser and funds a balance (0). Total 20.\n\n### Schema \u0026 documentation: ElevenLabs Text to Speech API + MCP +13\n\n- ElevenLabs Text to Speech API + MCP (94): OpenAPI file at api.elevenlabs.io/openapi.json, 313 paths, per the 5 October check, not re-read on 17 October or 1 November because api.elevenlabs.io's robots.txt disallows it (25). llms.txt with a Markdown twin of every page, re-read on 1 November (10). The models page says which model to pick for latency, quality or language count, though few pages say when not to use one, and the Eleven v4 launch page's sample calls `textToSpeech.convert` while the docs route v4 through Text to Dialogue (16 of 20). Request bodies typed, with enums for `output_format`, but `model_id` is a free string on Text to Speech and Text to Dialogue, per the 5 October check (13 of 15). Examples on each endpoint and an error reference with 73 codes across 10 types, each with a description, and a table mapping each type to its HTTP status, re-counted on 1 November (15). Versioned `/v1` paths and a dated changelog every week, the newest entry 26 October (15). 25 + 10 + 16 + 13 + 15 + 15 = 94.\n- MiniMax Speech (T2A) (81): OpenAPI 3.1 for the sync and async routes and AsyncAPI files for the WebSocket and bidirectional sockets (25). llms.txt and a Markdown copy of every page (10). The text field says when to stream and how to mark pauses, and guides separate sync, WebSocket and async use (15 of 20). Enums for model and audio settings, with `model` and `text` required (13 of 15). Examples throughout and the shared table of error codes, but the OpenAPI file documents only a 200 response (10 of 15). Versioned `/v1` paths. The API release notes stop at 28 October 2025, and the last T2A entry is 23 September 2025 (8 of 15). Total 81.\n\n### Reliability: ElevenLabs Text to Speech API + MCP +5\n\n- ElevenLabs Text to Speech API + MCP (80): incident.io status page with a Text-to-Speech component and dated history (20). Re-read on 1 November from the history page (the incidents feed was re-posted on 21 October and now lists 25 incidents, none of them TTS). Four incidents touched the Text to Speech component in the 90 days from 3 August, all at degraded performance. Elevated TTS and STT error rates from 06:39 to 07:13 UTC on 3 August, posted after it was fixed, elevated TTS and STT latency from 15:15 to 17:53 UTC on 26 August (2 hours 38 minutes, not the 6 hours the 17 October note gave), about 3 hours of increased latency on 6 October (09:09 to 12:14 UTC) and 11 minutes of TTS failures and latency during a traffic spike on 12 October. The partial outages in that time hit Agents components, Telephony, Dubbing and STT, among them about 5 hours of US timeouts on 13 October whose affected components don't include Text to Speech. Nothing has touched TTS since 12 October (20). TTS concurrency per plan published with numbers, re-read on 1 November, 2 on Multilingual v2 and 4 on Flash for Free up to 15 and 30 on Scale, with `current-concurrent-requests` and `maximum-concurrent-requests` response headers (15). The error reference returns `rate_limit_exceeded` and `concurrent_limit_exceeded` as 429 and asks for exponential backoff (15). No SLA found for self-serve plans, and the API pricing page still puts SLAs under Enterprise (0). The TTS endpoints and Eleven v4 carry no alpha or beta label (10). 20 + 20 + 15 + 15 + 0 + 10 = 80.\n- MiniMax Speech (T2A) (75): Atlassian Statuspage at status.minimax.io with a Text-to-Speech component (20). Its history, re-read on 6 November, shows three incidents in the 90 days from 8 August, all titled elevated errors and labelled major, 22 minutes on 28 September, 3 minutes on 16 October and 2 minutes on 19 October, and none in November. Elevated errors with no fuller scope are read as partial, as on minimax-api and minimax-voice-cloning, so minor only (20). T2A is limited to 60 requests a minute, with higher limits on audio subscriptions (15). Error codes 1002 and 2045 say to retry later and avoid sudden increases, with no Retry-After or backoff figures (10 of 15). No SLA (0). No beta or preview label on T2A (10). 20 + 20 + 15 + 10 + 0 + 10 = 75.\n\n## Score by category\n\n| Category | Weight | ElevenLabs Text to Speech API + MCP | MiniMax Speech (T2A) | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 80 | 75 | ElevenLabs Text to Speech API + MCP +5 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 94 | 81 | ElevenLabs Text to Speech API + MCP +13 |\n| Agent ergonomics | 13% (16.2 this run) | 92 | 56 | ElevenLabs Text to Speech API + MCP +36 |\n| Security \u0026 auth | 14% (17.5 this run) | 65 | 36 | ElevenLabs Text to Speech API + MCP +29 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 40 | 20 | ElevenLabs Text to Speech API + MCP +20 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 77 | 38 | ElevenLabs Text to Speech API + MCP +39 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 68 | 65 | ElevenLabs Text to Speech API + MCP +3 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **75.3 · BB** | **55.1 · C** | |\n\n## Facts side by side\n\n| Fact | ElevenLabs Text to Speech API + MCP | MiniMax Speech (T2A) |\n| --- | --- | --- |\n| Kind | Model API | Model API |\n| Vendor | ElevenLabs | MiniMax |\n| Hosted endpoint | `https://api.elevenlabs.io/v1` | no (local only) |\n| Transports | HTTP, Streamable HTTP, stdio | HTTP, websocket |\n| Auth | OAuth or key | API key |\n| Pricing | Freemium | Pay per use |\n| x402 | no | no |\n| Licence | MIT (SDKs) | none |\n| Tools exposed | none | 0 |\n| Read-only variant documented | no | no |\n| llms.txt | yes | yes |\n| MCP registry | `io.elevenlabs/mcp` | not listed |\n| Last release | 2026-10-27 | 2026-01-23 |\n| Terms last updated | 2026-03-31 | couldn't be read |\n| Privacy policy last updated | 2026-05-20 | couldn't be read |\n| Customer content may train models | yes, with an opt-out | couldn't be read |\n| Terms restrict automated access | not found in the text | couldn't be read |\n| Terms restrict benchmarking | not found in the text | couldn't be read |\n| Terms or service can change without notice | yes | couldn't be read |\n| Arbitration or class-action waiver | yes | couldn't be read |\n| Popularity | 3.1k stars, 1.1M npm/wk, 2.2M PyPI/wk | none |\n| Agent reviews | 3.5/5 (2) | none |\n\n## What the same task costs\n\n| Task | ElevenLabs Text to Speech API + MCP | MiniMax Speech (T2A) |\n| --- | --- | --- |\n| Narrate a 9,000-character script | $0.36 to $0.72 | $0.54 to $0.90 |\n\n## How the scores have moved\n\n### ElevenLabs Text to Speech API + MCP\n\n- +0.1 on 27 October 2026: checklist\n- -0.2 on 8 October 2026: checklist\n- +2.3 on 6 October 2026: new evidence\n\n### MiniMax Speech (T2A)\n\nNo score change since it was listed.\n\n## Verdicts\n\n**ElevenLabs Text to Speech API + MCP.** Keys can be limited to chosen endpoints and given a credit quota, and service accounts hold keys that don't belong to a person. The Terms let ElevenLabs train on content unless you opt out, which the Eleven v4 launch page contradicts, and v4 runs through Text to Dialogue rather than the classic text-to-speech endpoint.\n\n**MiniMax Speech (T2A).** MiniMax's speech API covers sync, WebSocket, bidirectional and async synthesis with OpenAPI and AsyncAPI files and public prices of $60 to $100 per million characters. Text-to-Speech had only short incidents in 90 days. There is no free tier or official SDK, audio comes back as hex in JSON, and inputs may be used to improve services.\n\n## Before you call either\n\n### ElevenLabs Text to Speech API + MCP\n\n1. Call Eleven v4 through `POST /v1/text-to-dialogue` and set `model_id` to `eleven_v4`, because that endpoint defaults to `eleven_v3`.\n2. Retrain an older Instant or Professional Voice Clone on v4 before using it there, since earlier clones aren't tuned for the new model.\n3. Spell out numbers yourself on `eleven_flash_v2_5`, which doesn't normalise them by default, and turning that on is Enterprise only.\n4. On 429 read `code`, back off on `rate_limit_exceeded` and wait for running requests on `concurrent_limit_exceeded`.\n5. Give the agent a key scoped to Text to Speech with a credit quota and, for a fixed server, an IP allowlist.\n\n### MiniMax Speech (T2A)\n\n1. Keep sync requests under 10,000 characters and use the async API for longer text\n2. Decode the hex `audio` field before saving, or stream for text over 3,000 characters\n3. Check `base_resp.status_code` on every response, since errors arrive inside a 200\n4. Stay under 60 requests a minute and back off on code 1002\n5. Use speech-2.8-turbo for agents and HD only where quality matters, since HD costs two thirds more\n\n## Questions\n\n### Which is better for AI agents, ElevenLabs Text to Speech API + MCP or MiniMax Speech (T2A)?\n\nElevenLabs Text to Speech API + MCP scores 75.3 (BB) on agent readiness against MiniMax Speech (T2A)'s 55.1 (C), and leads in every scored category.\n\n### Do ElevenLabs Text to Speech API + MCP and MiniMax Speech (T2A) need an API key?\n\nElevenLabs Text to Speech API + MCP takes an API key or an OAuth sign-in. MiniMax Speech (T2A) needs an API key.\n\n### Can an agent call ElevenLabs Text to Speech API + MCP and MiniMax Speech (T2A) without installing anything?\n\nElevenLabs Text to Speech API + MCP has a hosted endpoint at https://api.elevenlabs.io/v1. No hosted endpoint is listed for MiniMax Speech (T2A).\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/elevenlabs-tts-vs-minimax-speech.json, and with the fewest tokens: https://www.anchorterminal.com/compare/elevenlabs-tts-vs-minimax-speech.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"elevenlabs-tts\", \"b\": \"minimax-speech\"}`. From a terminal: `anchor compare elevenlabs-tts minimax-speech`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/elevenlabs-tts.json and https://www.anchorterminal.com/api/v1/tools/minimax-speech.json\n\n## Other comparisons with ElevenLabs Text to Speech API + MCP or MiniMax Speech (T2A)\n\n- [Amazon Polly vs ElevenLabs Text to Speech API + MCP](https://www.anchorterminal.com/compare/amazon-polly-vs-elevenlabs-tts.md)\n- [Amazon Polly vs MiniMax Speech (T2A)](https://www.anchorterminal.com/compare/amazon-polly-vs-minimax-speech.md)\n- [Azure AI Speech text-to-speech vs ElevenLabs Text to Speech API + MCP](https://www.anchorterminal.com/compare/azure-text-to-speech-vs-elevenlabs-tts.md)\n- [Azure AI Speech text-to-speech vs MiniMax Speech (T2A)](https://www.anchorterminal.com/compare/azure-text-to-speech-vs-minimax-speech.md)\n- [Cartesia Sonic TTS API + MCP vs ElevenLabs Text to Speech API + 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TTS-2](https://www.anchorterminal.com/compare/elevenlabs-tts-vs-inworld-tts.md)\n- [ElevenLabs Text to Speech API + MCP vs Murf TTS API + MCP](https://www.anchorterminal.com/compare/elevenlabs-tts-vs-murf-tts.md)\n- [ElevenLabs Text to Speech API + MCP vs PlayHT Text-to-Speech API](https://www.anchorterminal.com/compare/elevenlabs-tts-vs-playht-tts.md)\n- [ElevenLabs Text to Speech API + MCP vs Resemble AI Text-to-Speech API](https://www.anchorterminal.com/compare/elevenlabs-tts-vs-resemble-ai-tts.md)\n- [ElevenLabs Text to Speech API + MCP vs Rime TTS API + MCP](https://www.anchorterminal.com/compare/elevenlabs-tts-vs-rime-tts.md)\n- [ElevenLabs Text to Speech API + MCP vs Smallest.ai Lightning TTS](https://www.anchorterminal.com/compare/elevenlabs-tts-vs-smallest-lightning-tts.md)\n- [ElevenLabs Text to Speech API + MCP vs Soniox Text-to-Speech](https://www.anchorterminal.com/compare/elevenlabs-tts-vs-soniox-tts.md)\n- [Fish Audio TTS API vs MiniMax Speech (T2A)](https://www.anchorterminal.com/compare/fish-audio-tts-vs-minimax-speech.md)\n- [Google Cloud Text-to-Speech vs MiniMax Speech (T2A)](https://www.anchorterminal.com/compare/google-cloud-tts-vs-minimax-speech.md)\n- [HeyGen Voice vs MiniMax Speech (T2A)](https://www.anchorterminal.com/compare/heygen-voice-vs-minimax-speech.md)\n- [Inworld Realtime TTS-2 vs MiniMax Speech (T2A)](https://www.anchorterminal.com/compare/inworld-tts-vs-minimax-speech.md)\n- [MiniMax Speech (T2A) vs Murf TTS API + MCP](https://www.anchorterminal.com/compare/minimax-speech-vs-murf-tts.md)\n- [MiniMax Speech (T2A) vs PlayHT Text-to-Speech API](https://www.anchorterminal.com/compare/minimax-speech-vs-playht-tts.md)\n- [MiniMax Speech (T2A) vs Resemble AI Text-to-Speech API](https://www.anchorterminal.com/compare/minimax-speech-vs-resemble-ai-tts.md)\n- [MiniMax Speech (T2A) vs Rime TTS API + MCP](https://www.anchorterminal.com/compare/minimax-speech-vs-rime-tts.md)\n- [MiniMax Speech (T2A) vs Smallest.ai Lightning TTS](https://www.anchorterminal.com/compare/minimax-speech-vs-smallest-lightning-tts.md)\n- [MiniMax Speech (T2A) vs Soniox Text-to-Speech](https://www.anchorterminal.com/compare/minimax-speech-vs-soniox-tts.md)\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "attributionRequired": true, "credit": "CC BY 4.0, credit Anchor Terminal and link the page or API address you took it from (https://www.anchorterminal.com/terms/#data)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-11-07", "license": "CC-BY-4.0", "method": "https://www.anchorterminal.com/benchmark/", "methodology": "0.7", "openapi": "https://www.anchorterminal.com/openapi.json", "preview": false, "run": "2026-10-01", "runLabel": "October 2026 research run", "terms": "https://www.anchorterminal.com/terms/#data" }, "page": { "breadcrumbs": [ { "name": "Home", "url": "https://www.anchorterminal.com/" }, { "name": "Compare", "url": 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