{ "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": 59.8, "grade": "C", "agentReady": false, "rank": 257, "ranked": true, "rankOf": 452, "categoryRank": 3, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 65, "maintenance": 80, "payments": 10, "reliability": 63, "schema": 85, "security": 48, "transparency": 71 }, "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.", "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": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 59.8 } ], "editorialScores": { "ergonomics": 65, "maintenance": 80, "payments": 10, "reliability": 63, "schema": 85, "security": 48, "transparency": 60 }, "provenanceScore": 82 }, "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": 82 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/cartesia-voice-cloning.json", "live": { "slug": "cartesia-voice-cloning", "probe": { "target": "https://api.cartesia.ai", "method": "get", "lastAt": "2026-10-04T23:48:06.303808341Z", "lastOk": true, "lastStatus": 200, "lastMs": 39, "authRequired": false, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 39, "p95ms24h": 115, "samples24h": 272, "samples30d": 1100, "days": [ { "date": "2026-09-30", "probes": 35, "ok": 35 }, { "date": "2026-10-01", "probes": 276, "ok": 276 }, { "date": "2026-10-02", "probes": 248, "ok": 248 }, { "date": "2026-10-03", "probes": 271, "ok": 271 }, { "date": "2026-10-04", "probes": 270, "ok": 270 } ] }, "vendorStatus": { "page": "https://status.cartesia.ai", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-10-04T23:49:07.020768147Z" }, "versions": [ { "registry": "github", "name": "cartesia-ai/cartesia-python", "version": "v4.2.0", "released": "2026-09-02", "seenAt": "2026-10-04T16:23:16.436496966Z" }, { "registry": "npm", "name": "@cartesia/cartesia-js", "version": "4.2.0", "seenAt": "2026-10-04T16:23:14.144039735Z" }, { "registry": "pypi", "name": "cartesia", "version": "4.2.0", "released": "2026-09-02", "seenAt": "2026-10-04T16:23:14.431520294Z" }, { "registry": "pypi", "name": "cartesia-mcp", "version": "0.26.0", "released": "2026-09-30", "seenAt": "2026-10-04T16:23:14.543947064Z" } ], "githubStars": 133, "npmWeekly": 108942, "pypiWeekly": 188249, "securityTxt": { "url": "https://cartesia.ai/.well-known/security.txt", "state": "valid", "expires": "2027-10-03T00:00:00.000Z", "checkedAt": "2026-10-04T15:15:57.920556028Z" }, "llmsTxt": { "url": "https://docs.cartesia.ai/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-04T15:17:25.383615846Z" }, "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": "2026-10-04T23:49:07.020768147Z" } }, "b": { "slug": "soniox-voice-cloning", "name": "Soniox Voice Cloning", "vendor": "Soniox", "vendorUrl": "https://soniox.com", "kind": "model", "category": "voice-cloning", "summary": "Instant clones for Soniox TTS from one reference clip of up to 2 minutes, made in the Console or with `POST /v1/voices`.", "url": "https://www.anchorterminal.com/tools/soniox-voice-cloning", "markdownUrl": "https://www.anchorterminal.com/tools/soniox-voice-cloning.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/soniox-voice-cloning.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/soniox-voice-cloning.json", "repo": "https://github.com/soniox/soniox-python", "license": "Apache-2.0 (Python SDK)", "transports": [ "http" ], "remoteUrl": "https://api.soniox.com/v1", "packages": [ { "registry": "npm", "name": "@soniox/node" }, { "registry": "pypi", "name": "soniox" } ], "auth": "api-key", "authNotes": "Bearer API key. Voices belong to the project that created them, so use a key from the same project to create, list, recompute, delete or speak with them.", "pricing": "usage", "pricingNotes": "No separate cloning fee is published. Speech from any voice is billed at the TTS token rates, $4.00 per 1M input text tokens and $21.50 per 1M output audio tokens, about $0.70 an hour. 20 voices per organisation by default (https://soniox.com/pricing).", "priceSummary": "Pay per use", "where": "hosted", "x402": { "level": "no", "evidence": "No x402 or machine payment in the docs or pricing. Billed to a funded account (checked 2026-09-30).", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": 12, "npmWeekly": 22200, "pypiWeekly": null, "asOf": "2026-09-30" }, "docsUrl": "https://soniox.com/docs/tts/concepts/voice-cloning", "llmsTxt": "https://soniox.com/docs/llms.txt", "capabilities": [ "voice.clone", "speech.tts" ], "tags": [ "hosted", "closed-source", "python", "typescript", "llms-txt", "async-jobs" ], "lastRelease": "2026-08-11", "graded": true, "anchor": { "graded": true, "score": 58.8, "grade": "C", "agentReady": false, "rank": 276, "ranked": true, "rankOf": 452, "categoryRank": 4, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 75, "maintenance": 45, "payments": 20, "reliability": 73, "schema": 61, "security": 53, "transparency": 73 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "One API call and a clip of up to 2 minutes. No consent capture or speaker verification, and the terms say so.", "strengths": [ "One API call and a clip of up to 2 minutes", "Clones speak all 60+ TTS languages", "Audio never used for training, and clips stay only until the voice is deleted", "Stable `error_type` slugs that say which errors to retry", "SOC 2 Type 2 and ISO 27001:2022 stated" ], "weaknesses": [ "No consent capture or speaker verification, and the terms say so", "Instant clones only, no professional tier or voice design", "20 voices per organisation and 3 concurrent TTS requests by default", "Voices must be recomputed by hand after a new TTS model ships", "No public OpenAPI file and no free tier" ], "agentNotes": [ "Poll the voice until the target model's status is `ready` before using it in TTS", "On `voice_not_prepared` call recompute, don't retry the TTS request", "Don't retry `voice_failed` even though it's a 503. Create a new voice from a better clip", "Use a key from the project that owns the voice, voices are per project", "Keep the clip under 2 minutes and 35 MB, longer fails with `voice_audio_too_long`" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 3.5, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "C", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 58.8 } ], "editorialScores": { "ergonomics": 75, "maintenance": 45, "payments": 20, "reliability": 73, "schema": 61, "security": 53, "transparency": 60 }, "provenanceScore": 86 }, "connect": { "http": "curl https://api.soniox.com/v1/voices -H \"Authorization: Bearer $SONIOX_API_KEY\" \\\n -F name=narrator -F file=@sample.wav" }, "letme": { "capability": "https://letme.dev/voice.clone", "tool": "https://letme.dev/soniox-voice-cloning" }, "sameCompany": [ "soniox-stt", "soniox-tts" ], "area": "voice", "unitPrices": [ { "item": "Speech from a cloned voice", "unit": "audio-minute", "usd": 0.0117, "note": "same TTS token rates as built-in voices, Soniox's estimate of $0.70 an hour" } ], "provenance": { "legalEntity": "Soniox Inc.", "domain": "soniox.com", "domainRegistered": "2020-03-23", "endpointOnVendorDomain": true, "terms": "https://soniox.com/policies/terms-of-service", "privacy": "https://soniox.com/policies/privacy-policy", "statusPage": "https://status.soniox.com", "changelog": "https://soniox.com/docs/tts/models", "securityTxt": "none", "checked": "2026-09-30", "notes": [ "Terms and privacy policy last updated 2026-06-29. The company address is Foster City, California" ], "score": 86 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/soniox-voice-cloning.json", "live": { "slug": "soniox-voice-cloning", "probe": { "target": "https://api.soniox.com/v1", "method": "get", "lastAt": "2026-10-04T23:48:16.177976913Z", "lastOk": true, "lastStatus": 404, "lastMs": 176, "authRequired": false, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 196, "p95ms24h": 249, "samples24h": 272, "samples30d": 1100, "days": [ { "date": "2026-09-30", "probes": 35, "ok": 35 }, { "date": "2026-10-01", "probes": 276, "ok": 276 }, { "date": "2026-10-02", "probes": 248, "ok": 248 }, { "date": "2026-10-03", "probes": 271, "ok": 271 }, { "date": "2026-10-04", "probes": 270, "ok": 270 } ] }, "vendorStatus": { "page": "https://status.soniox.com", "indicator": "unknown", "summary": "no machine-readable status found", "checkedAt": "2026-10-02T16:20:22.272014786Z" }, "versions": [ { "registry": "npm", "name": "@soniox/node", "version": "2.3.0", "seenAt": "2026-10-04T16:40:19.542964507Z" }, { "registry": "pypi", "name": "soniox", "version": "2.10.0", "released": "2026-10-02", "seenAt": "2026-10-04T16:40:19.787930355Z" } ], "githubStars": 12, "npmWeekly": 26180, "pypiWeekly": 171097, "securityTxt": { "url": "https://soniox.com/.well-known/security.txt", "state": "none", "checkedAt": "2026-10-04T15:15:59.988207849Z" }, "llmsTxt": { "url": "https://soniox.com/docs/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-04T15:18:18.446480738Z" }, "domain": { "domain": "soniox.com", "registered": "2020-03-23", "source": "https://rdap.verisign.com/com/v1/domain/soniox.com", "checkedAt": "2026-10-04T13:05:00.531232044Z" }, "updatedAt": "2026-10-04T23:48:16.177976913Z" } }, "summary": "Cartesia Voice Cloning API + MCP has a score of 59.8 (C) against Soniox Voice Cloning's 58.8 (C). Both do voice clone. The largest gap is maintenance \u0026 community, 35 points." }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-soniox-voice-cloning", "json": "https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-soniox-voice-cloning.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-soniox-voice-cloning.md", "slim": "https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-soniox-voice-cloning.min.md" }, "markdown": "Cartesia Voice Cloning API + MCP has a score of 59.8 (C) against Soniox Voice Cloning's 58.8 (C). Both do voice clone. The largest gap is maintenance \u0026 community, 35 points.\n\n- Cartesia Voice Cloning API + MCP: grade C, 59.8/100, rank #257 of 452. Markdown https://www.anchorterminal.com/tools/cartesia-voice-cloning.md · JSON https://www.anchorterminal.com/api/v1/tools/cartesia-voice-cloning.json\n- Soniox Voice Cloning: grade C, 58.8/100, rank #276 of 452. Markdown https://www.anchorterminal.com/tools/soniox-voice-cloning.md · JSON https://www.anchorterminal.com/api/v1/tools/soniox-voice-cloning.json\n\n## Which one, for what\n\nPick Cartesia Voice Cloning API + MCP for schema \u0026 documentation (+24), maintenance \u0026 community (+35).\n\nPick Soniox Voice Cloning for reliability (+10), agent ergonomics (+10), security \u0026 auth (+5), payments \u0026 pricing (+10).\n\n## Score by category\n\n| Category | Weight | Cartesia Voice Cloning API + MCP | Soniox Voice Cloning | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 63 | 73 | Soniox Voice Cloning +10 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 85 | 61 | Cartesia Voice Cloning API + MCP +24 |\n| Agent ergonomics | 13% (16.2 this run) | 65 | 75 | Soniox Voice Cloning +10 |\n| Security \u0026 auth | 14% (17.5 this run) | 48 | 53 | Soniox Voice Cloning +5 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 10 | 20 | Soniox Voice Cloning +10 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 80 | 45 | Cartesia Voice Cloning API + MCP +35 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 71 | 73 | Soniox Voice Cloning +2 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **59.8 · C** | **58.8 · C** | |\n\n## Facts side by side\n\n| Fact | Cartesia Voice Cloning API + MCP | Soniox Voice Cloning |\n| --- | --- | --- |\n| Kind | Model API | Model API |\n| Vendor | Cartesia | Soniox |\n| Hosted endpoint | `https://api.cartesia.ai` | `https://api.soniox.com/v1` |\n| Transports | HTTP, Streamable HTTP, stdio | HTTP |\n| Auth | OAuth or key | API key |\n| Pricing | Freemium | Pay per use |\n| x402 | no | no |\n| Licence | Apache-2.0 (SDKs) | Apache-2.0 (Python SDK) |\n| Tools exposed | 19 | none |\n| Context cost (tools/list) | n/a | n/a |\n| p95 latency | not measured yet | not measured yet |\n| Availability (30d) | not measured yet | not measured yet |\n| Read-only variant documented | no | no |\n| llms.txt | yes | yes |\n| MCP registry | not listed | not listed |\n| Last release | 2026-09-30 | 2026-08-11 |\n| Popularity | 133 stars, 166k npm/wk, 177k PyPI/wk | 12 stars, 22k npm/wk |\n| Agent reviews | 2.5/5 (2) | 3.5/5 (2) |\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**Soniox Voice Cloning.** One API call and a clip of up to 2 minutes. No consent capture or speaker verification, and the terms say so.\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### Soniox Voice Cloning\n\n1. Poll the voice until the target model's status is `ready` before using it in TTS\n2. On `voice_not_prepared` call recompute, don't retry the TTS request\n3. Don't retry `voice_failed` even though it's a 503. Create a new voice from a better clip\n4. Use a key from the project that owns the voice, voices are per project\n5. Keep the clip under 2 minutes and 35 MB, longer fails with `voice_audio_too_long`\n\n## Other comparisons with Cartesia Voice Cloning API + MCP or Soniox Voice Cloning\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 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 Soniox Voice Cloning](https://www.anchorterminal.com/compare/elevenlabs-voice-cloning-vs-soniox-voice-cloning.md)\n- [Fish Audio Voice Cloning API vs Soniox Voice Cloning](https://www.anchorterminal.com/compare/fish-audio-voice-cloning-vs-soniox-voice-cloning.md)\n- [Hume Octave Voice Design and Cloning + MCP vs Soniox Voice Cloning](https://www.anchorterminal.com/compare/hume-voice-cloning-vs-soniox-voice-cloning.md)\n- [Murf Voice Cloning API vs Soniox Voice Cloning](https://www.anchorterminal.com/compare/murf-voice-cloning-vs-soniox-voice-cloning.md)\n- [PlayHT Voice Cloning API vs Soniox Voice Cloning](https://www.anchorterminal.com/compare/playht-voice-cloning-vs-soniox-voice-cloning.md)\n- [Resemble AI Voice Cloning API vs Soniox Voice Cloning](https://www.anchorterminal.com/compare/resemble-ai-voice-cloning-vs-soniox-voice-cloning.md)\n- [Soniox Voice Cloning vs Speechify API Voice Cloning](https://www.anchorterminal.com/compare/soniox-voice-cloning-vs-speechify-voice-cloning.md)\n- [Soniox Voice Cloning vs Ultravox Voice Cloning](https://www.anchorterminal.com/compare/soniox-voice-cloning-vs-ultravox-voice-cloning.md)\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-10-04", "license": "CC-BY-4.0", "method": "https://www.anchorterminal.com/benchmark/", "methodology": "0.3", "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 Soniox Voice Cloning", "url": "" } ], "description": "Cartesia Voice Cloning API + MCP has a score of 59.8 (C) against Soniox Voice Cloning's 58.8 (C). Both do voice clone. The largest gap is maintenance \u0026 community, 35 points. Category scores, facts, verdicts and agent notes side by side.", "facts": [ "Cartesia Voice Cloning API + MCP C 59.8", "Soniox Voice Cloning C 58.8", "scores" ], "h1": "Cartesia Voice Cloning API + MCP vs Soniox Voice Cloning", "image": "https://www.anchorterminal.com/assets/og/compare-cartesia-voice-cloning-vs-soniox-voice-cloning.png", "path": "/compare/cartesia-voice-cloning-vs-soniox-voice-cloning", "published": "2026-10-01", "section": "tools", "title": "Cartesia Voice Cloning API + MCP vs Soniox Voice Cloning for AI agents", "toc": null, "updated": "2026-10-04", "url": "https://www.anchorterminal.com/compare/cartesia-voice-cloning-vs-soniox-voice-cloning" }, "tokens": { "markdown": 1800, "slim": 380 }, "version": 1 }