{ "data": { "a": { "slug": "cartesia-voice-cloning", "name": "Cartesia Voice Cloning API + MCP", "vendor": "Cartesia", "vendorUrl": "https://cartesia.ai", "kind": "model", "category": "voice-cloning", "summary": "Instant voice clones for Sonic from 10 to 60 seconds of audio, and Pro Voice Clones fine-tuned on 30 minutes or more, trained in up to 3 hours.", "url": "https://www.anchorterminal.com/tools/cartesia-voice-cloning", "markdownUrl": "https://www.anchorterminal.com/tools/cartesia-voice-cloning.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/cartesia-voice-cloning.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/cartesia-voice-cloning.json", "repo": "https://github.com/cartesia-ai/cartesia-python", "license": "Apache-2.0 (SDKs)", "transports": [ "http", "streamable-http", "stdio" ], "remoteUrl": "https://api.cartesia.ai", "packages": [ { "registry": "npm", "name": "@cartesia/cartesia-js" }, { "registry": "pypi", "name": "cartesia" }, { "registry": "pypi", "name": "cartesia-mcp" } ], "auth": "mixed", "authNotes": "`Authorization: Bearer` API key plus the `Cartesia-Version` header. The hosted MCP at `https://mcp.cartesia.ai/mcp` signs in through the Playground, the local `cartesia-mcp` reads `CARTESIA_API_KEY`. Both expose `clone_voice` and `localize_voice`.", "pricing": "freemium", "pricingNotes": "Instant voice cloning is included from Pro at $5 a month. Pro Voice Cloning needs Startup at $49 a month (2 PVC slots) or Scale at $299 (4 slots), Enterprise is custom. Training a PVC is free, and speech from any clone costs 1 credit a character. Localising a voice costs 225 credits per added accent. Free has no cloning (https://cartesia.ai/pricing).", "priceSummary": "$5 / mo", "where": "both", "x402": { "level": "no", "evidence": "No x402 or machine payment in the docs or pricing (checked 2026-09-30).", "endpoints": [] }, "toolCount": 19, "popularity": { "githubStars": 133, "npmWeekly": 166023, "pypiWeekly": 176771, "asOf": "2026-09-30" }, "docsUrl": "https://docs.cartesia.ai/build-with-cartesia/capability-guides/clone-voices", "llmsTxt": "https://docs.cartesia.ai/llms.txt", "capabilities": [ "voice.clone", "speech.tts" ], "tags": [ "hosted", "freemium", "closed-source", "python", "typescript", "llms-txt", "mcp", "async-jobs", "enterprise" ], "lastRelease": "2026-09-30", "graded": true, "anchor": { "graded": true, "score": 59.5, "grade": "C", "agentReady": false, "rank": 493, "ranked": true, "rankOf": 842, "categoryRank": 3, "methodology": "0.4", "run": "2026-10-01", "scores": { "ergonomics": 65, "maintenance": 80, "payments": 10, "reliability": 63, "schema": 85, "security": 48, "transparency": 67 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "Instant clones from 10 seconds of audio, up to 60 seconds used on Sonic 3.6. No consent or speaker verification in the clone API.", "bestFor": "Teams that want cheap instant clones and fast streaming TTS in the same account, especially voice agents.", "strengths": [ "Instant clones from 10 seconds of audio, up to 60 seconds used on Sonic 3.6", "Pro clone training is free on Startup ($49) and Scale ($299)", "Clones carried over to Sonic 3.6 with the same voice IDs", "Dated API versions through the `Cartesia-Version` header and OpenAPI files per version", "`clone_voice` and `localize_voice` in the official MCP server, released 2026-09-30" ], "weaknesses": [ "No consent or speaker verification in the clone API", "Terms allow training on uploads by default, with opt-out only by form", "Zero Data Retention doesn't cover voice cloning", "No cloning on the Free plan and no per-unit dollar price", "No security.txt" ], "agentNotes": [ "Send `Cartesia-Version` on every call. The clone endpoint lists it as a required header", "Pass the speaker's recorded `language`. A clone is built from one language, add others with the accents API", "Keep IVC uploads under 16 MB", "Don't blind-retry `POST /voices/clone`. The SDK retries 429 and 5xx twice and there's no idempotency key, so check the voice list first", "Poll a Pro clone fine-tune until it finishes before using the voice ID" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 2.5, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "C", "methodology": "0.4", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 59.5 } ], "editorialScores": { "ergonomics": 65, "maintenance": 80, "payments": 10, "reliability": 63, "schema": 85, "security": 48, "transparency": 60 }, "provenanceScore": 74 }, "connect": { "http": "curl -X POST https://api.cartesia.ai/voices/clone -H \"Authorization: Bearer $CARTESIA_API_KEY\" \\\n -H \"Cartesia-Version: 2026-08-14\" -F clip=@sample.wav -F name=\"Support voice\" -F language=en", "claudeCode": "claude mcp add --transport http --scope user cartesia https://mcp.cartesia.ai/mcp", "config": { "mcpServers": { "cartesia": { "args": [ "cartesia-mcp" ], "command": "uvx", "env": { "CARTESIA_API_KEY": "${CARTESIA_API_KEY}" } } } } }, "letme": { "capability": "https://letme.dev/voice.clone", "tool": "https://letme.dev/cartesia-voice-cloning" }, "sameCompany": [ "cartesia-tts" ], "area": "voice", "unitPrices": [ { "item": "Pro plan", "unit": "month", "usd": 5, "note": "instant voice cloning" }, { "item": "Startup plan", "unit": "month", "usd": 49, "note": "2 PVC slots, training free" }, { "item": "Scale plan", "unit": "month", "usd": 299, "note": "4 PVC slots" } ], "provenance": { "legalEntity": "Cartesia AI, Inc.", "domain": "cartesia.ai", "domainRegistered": "2023-05-10", "endpointOnVendorDomain": true, "terms": "https://www.cartesia.ai/legal/terms", "privacy": "https://www.cartesia.ai/legal/privacy", "statusPage": "https://status.cartesia.ai", "changelog": "https://docs.cartesia.ai/changelog/2026", "securityTxt": "none", "checked": "2026-09-30", "score": 74 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/cartesia-voice-cloning.json", "live": { "slug": "cartesia-voice-cloning", "probe": { "target": "https://api.cartesia.ai", "method": "get", "lastAt": "2026-10-09T11:46:25.058912113Z", "lastOk": true, "lastStatus": 200, "lastMs": 39, "authRequired": false, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 49, "p95ms24h": 116, "samples24h": 259, "samples30d": 2311, "days": [ { "date": "2026-09-30", "probes": 35, "ok": 35 }, { "date": "2026-10-01", "probes": 276, "ok": 276 }, { "date": "2026-10-02", "probes": 248, "ok": 248 }, { "date": "2026-10-03", "probes": 271, "ok": 271 }, { "date": "2026-10-04", "probes": 272, "ok": 272 }, { "date": "2026-10-05", "probes": 272, "ok": 272 }, { "date": "2026-10-06", "probes": 272, "ok": 272 }, { "date": "2026-10-07", "probes": 272, "ok": 272 }, { "date": "2026-10-08", "probes": 268, "ok": 268 }, { "date": "2026-10-09", "probes": 125, "ok": 125 } ] }, "vendorStatus": { "page": "https://status.cartesia.ai", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-10-09T11:38:24.678958186Z" }, "versions": [ { "registry": "github", "name": "cartesia-ai/cartesia-python", "version": "v4.2.0", "released": "2026-09-02", "seenAt": "2026-10-08T16:04:42.564705404Z" }, { "registry": "npm", "name": "@cartesia/cartesia-js", "version": "4.2.0", "seenAt": "2026-10-08T16:04:37.915917529Z" }, { "registry": "pypi", "name": "cartesia", "version": "4.2.0", "released": "2026-09-02", "seenAt": "2026-10-08T16:04:40.558112581Z" }, { "registry": "pypi", "name": "cartesia-mcp", "version": "0.26.0", "released": "2026-09-30", "seenAt": "2026-10-08T16:04:40.692494989Z" } ], "githubStars": 134, "npmWeekly": 103248, "pypiWeekly": 200265, "securityTxt": { "url": "https://cartesia.ai/.well-known/security.txt", "state": "valid", "expires": "2027-10-03T00:00:00.000Z", "checkedAt": "2026-10-08T15:39:07.996817567Z" }, "llmsTxt": { "url": "https://docs.cartesia.ai/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-08T14:00:12.62479451Z" }, "domain": { "domain": "cartesia.ai", "registered": "2023-05-10", "source": "https://rdap.identitydigital.services/rdap/domain/cartesia.ai", "checkedAt": "2026-10-04T13:04:05.26596839Z" }, "updatedAt": "2026-10-09T11:46:25.058912113Z" } }, "answer": "Cartesia Voice Cloning API + MCP scores 59.5 (C) on agent readiness against MiniMax Voice Clone and Voice Design's 53.1 (D), and leads in 5 of 7 scored categories. MiniMax Voice Clone and Voice Design leads on reliability and payments \u0026 pricing.", "b": { "slug": "minimax-voice-cloning", "name": "MiniMax Voice Clone and Voice Design", "vendor": "MiniMax", "vendorUrl": "https://www.minimax.io", "kind": "model", "category": "voice-cloning", "summary": "MiniMax's API clones a voice from a 10 second to 5 minute audio sample and designs voices from a text description. The resulting voice IDs work with its speech-2.8 text-to-speech models.", "url": "https://www.anchorterminal.com/tools/minimax-voice-cloning", "markdownUrl": "https://www.anchorterminal.com/tools/minimax-voice-cloning.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/minimax-voice-cloning.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/minimax-voice-cloning.json", "repo": "https://github.com/MiniMax-AI/MiniMax-MCP", "license": "Proprietary API under MiniMax's platform terms. The two official MCP servers are MIT", "transports": [ "http", "stdio" ], "remoteUrl": "https://api.minimax.io", "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. Voice cloning also needs individual or enterprise verification of the account, and an unverified account gets error 2038. Mainland China accounts use `https://api.minimaxi.com`.", "pricing": "usage", "pricingNotes": "Pay as you go from a prepaid balance. Rapid voice cloning $1.50 a voice and voice design $3 a voice, each charged when the voice is first used for synthesis. Speech from the voice is $100 per million characters on speech-2.8-hd and $60 on speech-2.8-turbo. Previews are billed per character. Audio subscriptions from $5 a month include 10 to 800 voice slots. No free allowance for cloning is published (https://platform.minimax.io/docs/guides/pricing-paygo, checked 2026-10-08).", "priceSummary": "$1.50 / tx", "where": "both", "x402": { "level": "no", "evidence": "No x402, MPP or L402 in the docs index, the pricing pages or the voice OpenAPI files. Prepaid balance top-up (checked 2026-10-08).", "endpoints": [] }, "toolCount": 8, "popularity": { "githubStars": null, "npmWeekly": 377, "pypiWeekly": 1532, "asOf": "2026-10-08" }, "docsUrl": "https://platform.minimax.io/docs/guides/speech-voice-clone", "llmsTxt": "https://platform.minimax.io/docs/llms.txt", "openapi": "https://platform.minimax.io/docs/api-reference/speech/voice-cloning/api/openapi.json", "capabilities": [ "voice.clone", "voice.design", "speech.tts" ], "tags": [ "official", "hosted", "usage-priced", "prepaid", "openapi", "llms-txt", "mcp", "python", "typescript", "status-page" ], "lastRelease": "2026-08-21", "graded": true, "anchor": { "graded": true, "score": 53.1, "grade": "D", "agentReady": false, "rank": 640, "ranked": true, "rankOf": 842, "categoryRank": 7, "methodology": "0.4", "run": "2026-10-01", "scores": { "ergonomics": 56, "maintenance": 38, "payments": 20, "reliability": 70, "schema": 78, "security": 39, "transparency": 53 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-08" }, "negative": 0, "verdict": "Typed OpenAPI files, published prices of $1.50 a cloned voice and $3 a designed voice, and optional transcript and watermark checks. Cloning needs individual or enterprise account verification, the terms and privacy policy could not be read without a browser, and no statement on training with uploaded voice audio was found in the docs.", "bestFor": "Teams already using MiniMax speech models that want quick clones or prompt-designed voices at a flat fee per voice across 40 languages.", "strengths": [ "OpenAPI 3.1 files for clone, upload, design, list and delete, with llms.txt and Markdown copies of every docs page", "A cloned voice costs $1.50 and a designed voice $3, charged on first synthesis and not at creation", "Rate limits are published, 60 requests a minute for cloning and 20 for voice design", "Optional `text_validation` rejects a sample whose speech does not match an expected transcript, and `aigc_watermark` adds a watermark tone to the preview", "`POST /v1/delete_voice` removes a cloned or designed voice, and unused voices are deleted after 7 days" ], "weaknesses": [ "The terms of service and privacy policy render only in a browser, so voice ownership, training use and retention terms were not read", "No field records the speaker's consent. The documented gate is individual or enterprise verification of the account", "The voice design reference prices preview audio at $30 per million characters and the pricing page at $60", "The API release notes stop at 28 October 2025 and omit `text_validation` and `aigc_watermark`", "No security.txt, bug bounty or certification found, and no SLA in the docs" ], "agentNotes": [ "Upload the sample to `POST /v1/files/upload` with `purpose=voice_clone`, then pass the integer `file_id` and a new `voice_id` of 8 to 256 characters to `POST /v1/voice_clone`", "Synthesise once with T2A within 7 days or the voice is deleted. A preview inside the clone call does not count", "Read `base_resp.status_code` on every response. Errors such as 2038 (no cloning permission) and 2039 (duplicate `voice_id`) arrive in the body", "Voice design returns `trial_audio` as hex in the JSON body. Write it to a file and keep it out of the model context", "Send `voice_type` to `POST /v1/get_voice`, because `all` also returns the 300+ system voices" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 0, "avgRating": 0, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "D", "methodology": "0.4", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 53.1 } ], "editorialScores": { "ergonomics": 56, "maintenance": 38, "payments": 20, "reliability": 70, "schema": 78, "security": 39, "transparency": 25 }, "provenanceScore": 80 }, "connect": { "http": "curl --location 'https://api.minimax.io/v1/voice_clone' \\\n --header \"Authorization: Bearer $MINIMAX_API_KEY\" \\\n --header 'Content-Type: application/json' \\\n --data '{\"file_id\": 123456789, \"voice_id\": \"MiniMax001\"}'", "config": { "mcpServers": { "MiniMax": { "args": [ "minimax-mcp", "-y" ], "command": "uvx", "env": { "MINIMAX_API_HOST": "https://api.minimax.io", "MINIMAX_API_KEY": "\u003ckey\u003e" } } } } }, "letme": { "capability": "https://letme.dev/voice.clone", "tool": "https://letme.dev/minimax-voice-cloning" }, "sameCompany": [ "minimax-video" ], "area": "voice", "unitPrices": [ { "item": "Rapid voice clone", "unit": "tx", "usd": 1.5, "note": "per voice, charged on first synthesis" }, { "item": "Voice design", "unit": "tx", "usd": 3, "note": "per voice, charged on first synthesis" }, { "item": "Speech from a clone, speech-2.8-hd", "unit": "1m-chars", "usd": 100 }, { "item": "Speech from a clone, speech-2.8-turbo", "unit": "1m-chars", "usd": 60 } ], "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": "2026-10-08", "notes": [ "The legal entity is carried from the 30 September 2026 check recorded on our MiniMax Video API listing. The terms page that would name it renders only in a browser and was not read on 8 October.", "The terms of service, privacy policy and paid agreement at platform.minimax.io/protocol/ return a page with no document text to a plain reader.", "RDAP for minimax.io gives a registration date of 2021-03-27 and a transfer on 2025-01-31.", "platform.minimax.io/.well-known/security.txt returns 404, 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. Model releases are dated on a separate page." ], "score": 80 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/minimax-voice-cloning.json", "live": { "slug": "minimax-voice-cloning", "probe": { "target": "https://api.minimax.io", "method": "get", "lastAt": "2026-10-09T11:46:34.48172947Z", "lastOk": true, "lastStatus": 404, "lastMs": 274, "authRequired": false, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 281, "p95ms24h": 567, "samples24h": 44, "samples30d": 44, "days": [ { "date": "2026-10-09", "probes": 44, "ok": 44 } ] }, "vendorStatus": { "page": "https://status.minimax.io", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-10-09T11:39:55.136957076Z" }, "updatedAt": "2026-10-09T11:46:34.48172947Z" } }, "facts": [ { "a": "Model API", "b": "Model API", "name": "Kind" }, { "a": "Cartesia", "b": "MiniMax", "name": "Vendor" }, { "a": "https://api.cartesia.ai", "b": "https://api.minimax.io", "name": "Hosted endpoint" }, { "a": "HTTP, Streamable HTTP, stdio", "b": "HTTP, stdio", "name": "Transports" }, { "a": "OAuth or key", "b": "API key", "name": "Auth" }, { "a": "Freemium", "b": "Pay per use", "name": "Pricing" }, { "a": "not published", "b": "$60 per 1M characters", "name": "Price for voice clone" }, { "a": "no", "b": "no", "name": "x402" }, { "a": "Apache-2.0 (SDKs)", "b": "Proprietary API under MiniMax's platform terms. The two official MCP servers are MIT", "name": "Licence" }, { "a": "19", "b": "8", "name": "Tools exposed" }, { "a": "no", "b": "no", "name": "Read-only variant documented" }, { "a": "yes", "b": "yes", "name": "llms.txt" }, { "a": "2026-09-30", "b": "2026-08-21", "name": "Last release" }, { "a": "2024-06-14", "b": "couldn't be read", "name": "Terms last updated" }, { "a": "2024-06-14", "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": "yes", "b": "couldn't be read", "name": "Terms restrict automated access" }, { "a": "yes", "b": "couldn't be read", "name": "Terms restrict benchmarking" }, { "a": "not found in the text", "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": "133 stars, 166k npm/wk, 177k PyPI/wk", "b": "377 npm/wk, 1.5k PyPI/wk", "name": "Popularity" }, { "a": "2.5/5 (2)", "b": "none", "name": "Agent reviews" } ], "faq": [ { "answer": "Cartesia Voice Cloning API + MCP scores 59.5 (C) on agent readiness against MiniMax Voice Clone and Voice Design's 53.1 (D), and leads in 5 of 7 scored categories. MiniMax Voice Clone and Voice Design leads on reliability and payments \u0026 pricing.", "question": "Which is better for AI agents, Cartesia Voice Cloning API + MCP or MiniMax Voice Clone and Voice Design?" }, { "answer": "Cartesia Voice Cloning API + MCP takes an API key or an OAuth sign-in. MiniMax Voice Clone and Voice Design needs an API key.", "question": "Do Cartesia Voice Cloning API + MCP and MiniMax Voice Clone and Voice Design need an API key?" }, { "answer": "Yes. Cartesia Voice Cloning API + MCP has a hosted endpoint at https://api.cartesia.ai and MiniMax Voice Clone and Voice Design at https://api.minimax.io.", "question": "Can an agent call Cartesia Voice Cloning API + MCP and MiniMax Voice Clone and Voice Design without installing anything?" } ], "goodFor": [ { "aheadOn": [ "Schema \u0026 documentation, 85 against 78", "Agent ergonomics, 65 against 56", "Security \u0026 auth, 48 against 39", "Maintenance \u0026 community, 80 against 38", "Transparency \u0026 trust, 67 against 53" ], "also": null, "goodFor": "Teams that want cheap instant clones and fast streaming TTS in the same account, especially voice agents.", "slug": "cartesia-voice-cloning", "watchFor": "No consent or speaker verification in the clone API" }, { "aheadOn": [ "Reliability, 70 against 63", "Payments \u0026 pricing, 20 against 10" ], "also": null, "goodFor": "Teams already using MiniMax speech models that want quick clones or prompt-designed voices at a flat fee per voice across 40 languages.", "slug": "minimax-voice-cloning", "watchFor": "The terms of service and privacy policy render only in a browser, so voice ownership, training use and retention terms were not read" } ], "job": { "capability": "voice.clone", "name": "Voice clone" }, "others": [ { "json": "https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-elevenlabs-voice-cloning.json", "title": "Cartesia Voice Cloning API + MCP vs ElevenLabs Voice Cloning and Voice Design API", "url": "https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-elevenlabs-voice-cloning" }, { "json": "https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-fish-audio-voice-cloning.json", "title": "Cartesia Voice Cloning API + MCP vs Fish Audio Voice Cloning API", "url": "https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-fish-audio-voice-cloning" }, { "json": "https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-hume-voice-cloning.json", "title": "Cartesia Voice Cloning API + MCP vs Hume Octave Voice Design and Cloning + MCP", "url": "https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-hume-voice-cloning" }, { "json": "https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-murf-voice-cloning.json", "title": "Cartesia Voice Cloning API + MCP vs Murf Voice Cloning API", "url": "https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-murf-voice-cloning" }, { "json": "https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-playht-voice-cloning.json", "title": "Cartesia Voice Cloning API + MCP vs PlayHT Voice Cloning API", "url": "https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-playht-voice-cloning" }, { "json": "https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-resemble-ai-voice-cloning.json", "title": "Cartesia Voice Cloning API + MCP vs Resemble AI Voice Cloning API", "url": "https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-resemble-ai-voice-cloning" }, { "json": "https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-soniox-voice-cloning.json", "title": "Cartesia Voice Cloning API + MCP vs Soniox Voice Cloning", "url": "https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-soniox-voice-cloning" }, { "json": "https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-speechify-voice-cloning.json", "title": "Cartesia Voice Cloning API + MCP vs Speechify API Voice Cloning", "url": "https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-speechify-voice-cloning" }, { "json": "https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-ultravox-voice-cloning.json", "title": "Cartesia Voice Cloning API + MCP vs Ultravox Voice Cloning", "url": "https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-ultravox-voice-cloning" }, { "json": "https://www.anchorterminal.com/compare/elevenlabs-voice-cloning-vs-minimax-voice-cloning.json", "title": "ElevenLabs Voice Cloning and Voice Design API vs MiniMax Voice Clone and Voice Design", "url": "https://www.anchorterminal.com/compare/elevenlabs-voice-cloning-vs-minimax-voice-cloning" }, { "json": "https://www.anchorterminal.com/compare/fish-audio-voice-cloning-vs-minimax-voice-cloning.json", "title": "Fish Audio Voice Cloning API vs MiniMax Voice Clone and Voice Design", "url": "https://www.anchorterminal.com/compare/fish-audio-voice-cloning-vs-minimax-voice-cloning" }, { "json": "https://www.anchorterminal.com/compare/hume-voice-cloning-vs-minimax-voice-cloning.json", "title": "Hume Octave Voice Design and Cloning + MCP vs MiniMax Voice Clone and Voice Design", "url": "https://www.anchorterminal.com/compare/hume-voice-cloning-vs-minimax-voice-cloning" }, { "json": "https://www.anchorterminal.com/compare/minimax-voice-cloning-vs-murf-voice-cloning.json", "title": "MiniMax Voice Clone and Voice Design vs Murf Voice Cloning API", "url": "https://www.anchorterminal.com/compare/minimax-voice-cloning-vs-murf-voice-cloning" }, { "json": "https://www.anchorterminal.com/compare/minimax-voice-cloning-vs-playht-voice-cloning.json", "title": "MiniMax Voice Clone and Voice Design vs PlayHT Voice Cloning API", "url": "https://www.anchorterminal.com/compare/minimax-voice-cloning-vs-playht-voice-cloning" }, { "json": "https://www.anchorterminal.com/compare/minimax-voice-cloning-vs-resemble-ai-voice-cloning.json", "title": "MiniMax Voice Clone and Voice Design vs Resemble AI Voice Cloning API", "url": "https://www.anchorterminal.com/compare/minimax-voice-cloning-vs-resemble-ai-voice-cloning" }, { "json": "https://www.anchorterminal.com/compare/minimax-voice-cloning-vs-soniox-voice-cloning.json", "title": "MiniMax Voice Clone and Voice Design vs Soniox Voice Cloning", "url": "https://www.anchorterminal.com/compare/minimax-voice-cloning-vs-soniox-voice-cloning" }, { "json": "https://www.anchorterminal.com/compare/minimax-voice-cloning-vs-speechify-voice-cloning.json", "title": "MiniMax Voice Clone and Voice Design vs Speechify API Voice Cloning", "url": "https://www.anchorterminal.com/compare/minimax-voice-cloning-vs-speechify-voice-cloning" }, { "json": "https://www.anchorterminal.com/compare/minimax-voice-cloning-vs-ultravox-voice-cloning.json", "title": "MiniMax Voice Clone and Voice Design vs Ultravox Voice Cloning", "url": "https://www.anchorterminal.com/compare/minimax-voice-cloning-vs-ultravox-voice-cloning" } ], "scores": [ { "by": 7, "cartesia-voice-cloning": 63, "edge": "minimax-voice-cloning", "key": "reliability", "minimax-voice-cloning": 70, "name": "Reliability", "weight": 16 }, { "key": "performance", "name": "Performance", "pending": true, "weight": 10 }, { "by": 7, "cartesia-voice-cloning": 85, "edge": "cartesia-voice-cloning", "key": "schema", "minimax-voice-cloning": 78, "name": "Schema \u0026 documentation", "weight": 13 }, { "by": 9, "cartesia-voice-cloning": 65, "edge": "cartesia-voice-cloning", "key": "ergonomics", "minimax-voice-cloning": 56, "name": "Agent ergonomics", "weight": 13 }, { "by": 9, "cartesia-voice-cloning": 48, "edge": "cartesia-voice-cloning", "key": "security", "minimax-voice-cloning": 39, "name": "Security \u0026 auth", "weight": 14 }, { "by": 10, "cartesia-voice-cloning": 10, "edge": "minimax-voice-cloning", "key": "payments", "minimax-voice-cloning": 20, "name": "Payments \u0026 pricing", "weight": 10 }, { "key": "tasks", "name": "Task success", "pending": true, "weight": 10 }, { "by": 42, "cartesia-voice-cloning": 80, "edge": "cartesia-voice-cloning", "key": "maintenance", "minimax-voice-cloning": 38, "name": "Maintenance \u0026 community", "weight": 7 }, { "by": 14, "cartesia-voice-cloning": 67, "edge": "cartesia-voice-cloning", "key": "transparency", "minimax-voice-cloning": 53, "name": "Transparency \u0026 trust", "weight": 7 } ], "summary": "Cartesia Voice Cloning API + MCP scores 59.5 (C) on agent readiness against MiniMax Voice Clone and Voice Design's 53.1 (D), and leads in 5 of 7 scored categories. MiniMax Voice Clone and Voice Design leads on reliability and payments \u0026 pricing. Both do voice clone.", "verdicts": { "cartesia-voice-cloning": "Instant clones from 10 seconds of audio, up to 60 seconds used on Sonic 3.6. No consent or speaker verification in the clone API.", "minimax-voice-cloning": "Typed OpenAPI files, published prices of $1.50 a cloned voice and $3 a designed voice, and optional transcript and watermark checks. Cloning needs individual or enterprise account verification, the terms and privacy policy could not be read without a browser, and no statement on training with uploaded voice audio was found in the docs." } }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-minimax-voice-cloning", "json": "https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-minimax-voice-cloning.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-minimax-voice-cloning.md", "slim": "https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-minimax-voice-cloning.min.md" }, "markdown": "Cartesia Voice Cloning API + MCP scores 59.5 (C) on agent readiness against MiniMax Voice Clone and Voice Design's 53.1 (D), and leads in 5 of 7 scored categories. MiniMax Voice Clone and Voice Design leads on reliability and payments \u0026 pricing. Both do voice clone.\n\n- Cartesia Voice Cloning API + MCP: grade C, 59.5/100, rank #493 of 842. Markdown https://www.anchorterminal.com/tools/cartesia-voice-cloning.md · JSON https://www.anchorterminal.com/api/v1/tools/cartesia-voice-cloning.json\n- MiniMax Voice Clone and Voice Design: grade D, 53.1/100, rank #640 of 842. Markdown https://www.anchorterminal.com/tools/minimax-voice-cloning.md · JSON https://www.anchorterminal.com/api/v1/tools/minimax-voice-cloning.json\n\n## Which one, for what\n\n### Cartesia Voice Cloning API + MCP (C)\n\nGood for: Teams that want cheap instant clones and fast streaming TTS in the same account, especially voice agents.\n\nAhead on:\n- Schema \u0026 documentation, 85 against 78\n- Agent ergonomics, 65 against 56\n- Security \u0026 auth, 48 against 39\n- Maintenance \u0026 community, 80 against 38\n- Transparency \u0026 trust, 67 against 53\n\nWatch for: No consent or speaker verification in the clone API\n\n### MiniMax Voice Clone and Voice Design (D)\n\nGood for: Teams already using MiniMax speech models that want quick clones or prompt-designed voices at a flat fee per voice across 40 languages.\n\nAhead on:\n- Reliability, 70 against 63\n- Payments \u0026 pricing, 20 against 10\n\nWatch for: The terms of service and privacy policy render only in a browser, so voice ownership, training use and retention terms were not read\n\n\n## Score by category\n\n| Category | Weight | Cartesia Voice Cloning API + MCP | MiniMax Voice Clone and Voice Design | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 63 | 70 | MiniMax Voice Clone and Voice Design +7 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 85 | 78 | Cartesia Voice Cloning API + MCP +7 |\n| Agent ergonomics | 13% (16.2 this run) | 65 | 56 | Cartesia Voice Cloning API + MCP +9 |\n| Security \u0026 auth | 14% (17.5 this run) | 48 | 39 | Cartesia Voice Cloning API + MCP +9 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 10 | 20 | MiniMax Voice Clone and Voice Design +10 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 80 | 38 | Cartesia Voice Cloning API + MCP +42 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 67 | 53 | Cartesia Voice Cloning API + MCP +14 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **59.5 · C** | **53.1 · D** | |\n\n## Facts side by side\n\n| Fact | Cartesia Voice Cloning API + MCP | MiniMax Voice Clone and Voice Design |\n| --- | --- | --- |\n| Kind | Model API | Model API |\n| Vendor | Cartesia | MiniMax |\n| Hosted endpoint | `https://api.cartesia.ai` | `https://api.minimax.io` |\n| Transports | HTTP, Streamable HTTP, stdio | HTTP, stdio |\n| Auth | OAuth or key | API key |\n| Pricing | Freemium | Pay per use |\n| Price for voice clone | not published | $60 per 1M characters |\n| x402 | no | no |\n| Licence | Apache-2.0 (SDKs) | Proprietary API under MiniMax's platform terms. The two official MCP servers are MIT |\n| Tools exposed | 19 | 8 |\n| Read-only variant documented | no | no |\n| llms.txt | yes | yes |\n| Last release | 2026-09-30 | 2026-08-21 |\n| Terms last updated | 2024-06-14 | couldn't be read |\n| Privacy policy last updated | 2024-06-14 | couldn't be read |\n| Customer content may train models | yes, with an opt-out | couldn't be read |\n| Terms restrict automated access | yes | couldn't be read |\n| Terms restrict benchmarking | yes | couldn't be read |\n| Terms or service can change without notice | not found in the text | couldn't be read |\n| Arbitration or class-action waiver | yes | couldn't be read |\n| Popularity | 133 stars, 166k npm/wk, 177k PyPI/wk | 377 npm/wk, 1.5k PyPI/wk |\n| Agent reviews | 2.5/5 (2) | none |\n\n## Verdicts\n\n**Cartesia Voice Cloning API + MCP.** Instant clones from 10 seconds of audio, up to 60 seconds used on Sonic 3.6. No consent or speaker verification in the clone API.\n\n**MiniMax Voice Clone and Voice Design.** Typed OpenAPI files, published prices of $1.50 a cloned voice and $3 a designed voice, and optional transcript and watermark checks. Cloning needs individual or enterprise account verification, the terms and privacy policy could not be read without a browser, and no statement on training with uploaded voice audio was found in the docs.\n\n## Before you call either\n\n### Cartesia Voice Cloning API + MCP\n\n1. Send `Cartesia-Version` on every call. The clone endpoint lists it as a required header\n2. Pass the speaker's recorded `language`. A clone is built from one language, add others with the accents API\n3. Keep IVC uploads under 16 MB\n4. Don't blind-retry `POST /voices/clone`. The SDK retries 429 and 5xx twice and there's no idempotency key, so check the voice list first\n5. Poll a Pro clone fine-tune until it finishes before using the voice ID\n\n### MiniMax Voice Clone and Voice Design\n\n1. Upload the sample to `POST /v1/files/upload` with `purpose=voice_clone`, then pass the integer `file_id` and a new `voice_id` of 8 to 256 characters to `POST /v1/voice_clone`\n2. Synthesise once with T2A within 7 days or the voice is deleted. A preview inside the clone call does not count\n3. Read `base_resp.status_code` on every response. Errors such as 2038 (no cloning permission) and 2039 (duplicate `voice_id`) arrive in the body\n4. Voice design returns `trial_audio` as hex in the JSON body. Write it to a file and keep it out of the model context\n5. Send `voice_type` to `POST /v1/get_voice`, because `all` also returns the 300+ system voices\n\n## Questions\n\n### Which is better for AI agents, Cartesia Voice Cloning API + MCP or MiniMax Voice Clone and Voice Design?\n\nCartesia Voice Cloning API + MCP scores 59.5 (C) on agent readiness against MiniMax Voice Clone and Voice Design's 53.1 (D), and leads in 5 of 7 scored categories. MiniMax Voice Clone and Voice Design leads on reliability and payments \u0026 pricing.\n\n### Do Cartesia Voice Cloning API + MCP and MiniMax Voice Clone and Voice Design need an API key?\n\nCartesia Voice Cloning API + MCP takes an API key or an OAuth sign-in. MiniMax Voice Clone and Voice Design needs an API key.\n\n### Can an agent call Cartesia Voice Cloning API + MCP and MiniMax Voice Clone and Voice Design without installing anything?\n\nYes. Cartesia Voice Cloning API + MCP has a hosted endpoint at https://api.cartesia.ai and MiniMax Voice Clone and Voice Design at https://api.minimax.io.\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-minimax-voice-cloning.json, and with the fewest tokens: https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-minimax-voice-cloning.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"cartesia-voice-cloning\", \"b\": \"minimax-voice-cloning\"}`. From a terminal: `anchor compare cartesia-voice-cloning minimax-voice-cloning`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/cartesia-voice-cloning.json and https://www.anchorterminal.com/api/v1/tools/minimax-voice-cloning.json\n\n## Other comparisons with Cartesia Voice Cloning API + MCP or MiniMax Voice Clone and Voice Design\n\n- [Cartesia Voice Cloning API + MCP vs ElevenLabs Voice Cloning and Voice Design API](https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-elevenlabs-voice-cloning.md)\n- [Cartesia Voice Cloning API + MCP vs Fish Audio Voice Cloning API](https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-fish-audio-voice-cloning.md)\n- [Cartesia Voice Cloning API + MCP vs Hume Octave Voice Design and Cloning + MCP](https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-hume-voice-cloning.md)\n- [Cartesia Voice Cloning API + MCP vs Murf Voice Cloning API](https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-murf-voice-cloning.md)\n- [Cartesia Voice Cloning API + MCP vs PlayHT Voice Cloning API](https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-playht-voice-cloning.md)\n- [Cartesia Voice Cloning API + MCP vs Resemble AI Voice Cloning API](https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-resemble-ai-voice-cloning.md)\n- [Cartesia Voice Cloning API + MCP vs Soniox Voice Cloning](https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-soniox-voice-cloning.md)\n- [Cartesia Voice Cloning API + MCP vs Speechify API Voice Cloning](https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-speechify-voice-cloning.md)\n- [Cartesia Voice Cloning API + MCP vs Ultravox Voice Cloning](https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-ultravox-voice-cloning.md)\n- [ElevenLabs Voice Cloning and Voice Design API vs MiniMax Voice Clone and Voice Design](https://www.anchorterminal.com/compare/elevenlabs-voice-cloning-vs-minimax-voice-cloning.md)\n- [Fish Audio Voice Cloning API vs MiniMax Voice Clone and Voice Design](https://www.anchorterminal.com/compare/fish-audio-voice-cloning-vs-minimax-voice-cloning.md)\n- [Hume Octave Voice Design and Cloning + MCP vs MiniMax Voice Clone and Voice Design](https://www.anchorterminal.com/compare/hume-voice-cloning-vs-minimax-voice-cloning.md)\n- [MiniMax Voice Clone and Voice Design vs Murf Voice Cloning API](https://www.anchorterminal.com/compare/minimax-voice-cloning-vs-murf-voice-cloning.md)\n- [MiniMax Voice Clone and Voice Design vs PlayHT Voice Cloning API](https://www.anchorterminal.com/compare/minimax-voice-cloning-vs-playht-voice-cloning.md)\n- [MiniMax Voice Clone and Voice Design vs Resemble AI Voice Cloning API](https://www.anchorterminal.com/compare/minimax-voice-cloning-vs-resemble-ai-voice-cloning.md)\n- [MiniMax Voice Clone and Voice Design vs Soniox Voice Cloning](https://www.anchorterminal.com/compare/minimax-voice-cloning-vs-soniox-voice-cloning.md)\n- [MiniMax Voice Clone and Voice Design vs Speechify API Voice Cloning](https://www.anchorterminal.com/compare/minimax-voice-cloning-vs-speechify-voice-cloning.md)\n- [MiniMax Voice Clone and Voice Design vs Ultravox Voice Cloning](https://www.anchorterminal.com/compare/minimax-voice-cloning-vs-ultravox-voice-cloning.md)\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-10-09", "license": "CC-BY-4.0", "method": "https://www.anchorterminal.com/benchmark/", "methodology": "0.4", "openapi": "https://www.anchorterminal.com/openapi.json", "preview": false, "run": "2026-10-01", "runLabel": "October 2026 research run" }, "page": { "breadcrumbs": [ { "name": "Home", "url": "https://www.anchorterminal.com/" }, { "name": "Compare", "url": "https://www.anchorterminal.com/compare/" }, { "name": "Cartesia Voice Cloning API + MCP vs MiniMax Voice Clone and Voice Design", "url": "" } ], "description": "Cartesia Voice Cloning API + MCP scores 59.5 (C) on agent readiness against MiniMax Voice Clone and Voice Design's 53.1 (D), and leads in 5 of 7 scored categories. 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