{ "data": { "a": { "slug": "cartesia-tts", "name": "Cartesia Sonic TTS API + MCP", "vendor": "Cartesia", "vendorUrl": "https://cartesia.ai", "kind": "model", "category": "text-to-speech", "summary": "Sonic text-to-speech, currently `sonic-3.6` in 44 languages, over `/tts/bytes`, `/tts/sse` and a WebSocket that takes streamed LLM text with contexts and word timestamps.", "url": "https://www.anchorterminal.com/tools/cartesia-tts", "markdownUrl": "https://www.anchorterminal.com/tools/cartesia-tts.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/cartesia-tts.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/cartesia-tts.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 a required `Cartesia-Version` date header (currently `2026-08-14`). Browsers should use short-lived access tokens minted server-side. The hosted MCP at `https://mcp.cartesia.ai/mcp` signs in through the Playground and creates an MCP key. The local `cartesia-mcp` reads `CARTESIA_API_KEY`.", "pricing": "freemium", "pricingNotes": "TTS costs about 1 credit a character, charged only on successful requests. Free has 20,000 credits a month (about 27 minutes of Sonic 3.6), Pro $5 100,000, Startup $49 1.25M and Scale $299 8M. Overages, if enabled, cost $65 per 1M credits on Pro, $45 on Startup and $38 on Scale. Commercial use starts at Pro. Unused credits roll over up to 2 times the monthly amount (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": 15, "popularity": { "githubStars": 133, "npmWeekly": 166023, "pypiWeekly": 176771, "asOf": "2026-09-30" }, "docsUrl": "https://docs.cartesia.ai/build-with-cartesia/tts-models/latest", "llmsTxt": "https://docs.cartesia.ai/llms.txt", "capabilities": [ "speech.tts", "speech.streaming", "speech.voices", "speech.ssml", "speech.languages" ], "tags": [ "hosted", "freemium", "free-tier", "closed-source", "python", "typescript", "llms-txt", "mcp", "streaming", "enterprise" ], "lastRelease": "2026-09-30", "graded": true, "anchor": { "graded": true, "score": 64.2, "grade": "B", "agentReady": false, "rank": 187, "ranked": true, "rankOf": 452, "categoryRank": 6, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 65, "maintenance": 79, "payments": 30, "reliability": 63, "schema": 86, "security": 58, "transparency": 71 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "WebSocket input accepts streamed LLM text with contexts, flushing and word timestamps. Five TTS incidents on the status page between 29 July and 21 August 2026.", "strengths": [ "WebSocket input accepts streamed LLM text with contexts, flushing and word timestamps", "Dated model snapshots such as `sonic-3.6-2026-08-27` never change, and `Cartesia-Version` pins the API shape", "OpenAPI and AsyncAPI files per API version listed in llms.txt", "Short-lived access tokens with TTS, STT and agent grants for browser clients", "Deprecations dated in the changelog, Sonic-2 and Sonic Turbo sunset after 2026-10-20" ], "weaknesses": [ "Five TTS incidents on the status page between 29 July and 21 August 2026", "TTS concurrency is 2 on Free, 3 on Pro, 5 on Startup and 15 on Scale", "The Terms allow training on inputs and outputs unless you opt out by form", "Zero data retention is Enterprise only", "No SLA, and no error responses documented for the TTS endpoints" ], "agentNotes": [ "Send the `Cartesia-Version` header on every request.", "Pin a dated snapshot such as `sonic-3.6-2026-08-27` if output must not change.", "Move off `sonic-2`, `sonic-turbo` and `sonic-3-2025-10-27` before 2026-10-20.", "Expect a 429 at the plan's concurrency limit and queue requests yourself.", "Mint a short-lived access token for browser clients instead of shipping the API key." ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 3, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "B", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 64.2 } ], "editorialScores": { "ergonomics": 65, "maintenance": 79, "payments": 30, "reliability": 63, "schema": 86, "security": 58, "transparency": 60 }, "provenanceScore": 82 }, "connect": { "http": "curl -X POST https://api.cartesia.ai/tts/bytes -H \"Authorization: Bearer $CARTESIA_API_KEY\" \\\n -H \"Cartesia-Version: 2026-08-14\" -H \"content-type: application/json\" -o speech.wav \\\n -d '{\"model_id\":\"sonic-3.6\",\"transcript\":\"Your table is booked for seven.\",\"voice\":{\"id\":\"47c38ca4-5f35-497b-b1a3-415245fb35e1\"},\"output_format\":{\"container\":\"wav\",\"encoding\":\"pcm_s16le\",\"sample_rate\":44100}}'", "claudeCode": "claude mcp add --transport http --scope user cartesia https://mcp.cartesia.ai/mcp", "config": { "mcpServers": { "cartesia": { "args": [ "cartesia-mcp" ], "command": "uvx", "env": { "CARTESIA_API_KEY": "${CARTESIA_API_KEY}" } } } } }, "letme": { "capability": "https://letme.dev/speech.tts", "tool": "https://letme.dev/cartesia-tts" }, "sameCompany": [ "cartesia-voice-cloning" ], "area": "voice", "unitPrices": [ { "item": "Sonic TTS overage on Pro", "unit": "1m-chars", "usd": 65, "note": "about 1 credit a character, $65 per 1M credits" }, { "item": "Sonic TTS overage on Startup", "unit": "1m-chars", "usd": 45 }, { "item": "Sonic TTS overage on Scale", "unit": "1m-chars", "usd": 38 }, { "item": "Pro plan", "unit": "month", "usd": 5, "note": "100,000 credits" }, { "item": "Startup plan", "unit": "month", "usd": 49, "note": "1.25M credits" }, { "item": "Scale plan", "unit": "month", "usd": 299, "note": "8M credits" } ], "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-tts.json", "live": { "slug": "cartesia-tts", "probe": { "target": "https://api.cartesia.ai", "method": "get", "lastAt": "2026-10-05T00:25:40.801190313Z", "lastOk": true, "lastStatus": 200, "lastMs": 92, "authRequired": false, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 61, "p95ms24h": 137, "samples24h": 272, "samples30d": 1107, "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": 5, "ok": 5 } ] }, "vendorStatus": { "page": "https://status.cartesia.ai", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-10-05T00:22:38.61205555Z" }, "versions": [ { "registry": "github", "name": "cartesia-ai/cartesia-python", "version": "v4.2.0", "released": "2026-09-02", "seenAt": "2026-10-04T16:23:11.882857509Z" }, { "registry": "npm", "name": "@cartesia/cartesia-js", "version": "4.2.0", "seenAt": "2026-10-04T16:23:08.936594762Z" }, { "registry": "pypi", "name": "cartesia", "version": "4.2.0", "released": "2026-09-02", "seenAt": "2026-10-04T16:23:09.798087978Z" }, { "registry": "pypi", "name": "cartesia-mcp", "version": "0.26.0", "released": "2026-09-30", "seenAt": "2026-10-04T16:23:09.984461576Z" } ], "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": "2026-10-04T15:17:23.748277625Z" }, "domain": { "domain": "cartesia.ai", "registered": "2023-05-10", "source": "https://rdap.identitydigital.services/rdap/domain/cartesia.ai", "checkedAt": "2026-10-04T13:04:05.26596839Z" }, "pages": [ { "url": "https://docs.cartesia.ai/changelog/2026", "kind": "changelog", "status": 200, "checkedAt": "2026-10-04T15:43:22.154553148Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "56a07dda1f5d" }, { "url": "https://cartesia.ai/pricing", "kind": "pricing", "status": 200, "checkedAt": "2026-10-04T15:41:44.64571005Z", "changedAt": "2026-10-03T15:29:56.901063562Z", "fingerprint": "3e49bcd49fcf" }, { "url": "https://www.cartesia.ai/legal/privacy", "kind": "privacy", "status": 200, "checkedAt": "2026-10-04T15:49:41.751185158Z", "changedAt": "2026-10-03T15:37:37.717663201Z", "fingerprint": "6fea00c7255f" }, { "url": "https://www.cartesia.ai/legal/terms", "kind": "terms", "status": 200, "checkedAt": "2026-10-04T15:49:43.846741137Z", "changedAt": "2026-10-03T15:37:39.779484537Z", "fingerprint": "c899e30661ba" } ], "updatedAt": "2026-10-05T00:25:40.801190313Z" } }, "b": { "slug": "playht-tts", "name": "PlayHT Text-to-Speech API", "vendor": "PlayHT", "vendorUrl": "https://play.ht", "kind": "model", "category": "text-to-speech", "summary": "Discontinued text-to-speech API from PlayHT, formerly supporting streaming audio and batch generation.", "url": "https://www.anchorterminal.com/tools/playht-tts", "markdownUrl": "https://www.anchorterminal.com/tools/playht-tts.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/playht-tts.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/playht-tts.json", "repo": "https://github.com/playht/pyht", "license": "Apache-2.0 (Python SDK)", "transports": [ "http" ], "remoteUrl": "https://api.play.ht/api/v2", "packages": [ { "registry": "npm", "name": "playht" }, { "registry": "pypi", "name": "pyht" } ], "auth": "api-key", "authNotes": "Two headers, `X-USER-ID` and `AUTHORIZATION` with the secret key, both from the dashboard. The endpoints no longer answer.", "pricing": "paid", "pricingNotes": "Sold as monthly API plans named Hacker or Pro, Startup, Growth and Enterprise, with rate limits set by plan. The plan prices couldn't be recovered from a primary source, since the API pricing tab wasn't archived and play.ht is gone. The last archived pricing page shows Studio plans only (https://web.archive.org/web/20250625003728/https://play.ht/pricing/).", "priceSummary": "Paid", "where": "hosted", "x402": { "level": "no", "evidence": "Service shut down. No x402 or machine payment was ever documented (checked 2026-09-30).", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": 218, "npmWeekly": 14219, "pypiWeekly": 6561, "asOf": "2026-09-30" }, "docsUrl": "https://docs.play.ht/reference/api-getting-started", "llmsTxt": "https://docs.play.ht/llms.txt", "capabilities": [ "speech.tts", "speech.streaming", "speech.voices", "speech.languages" ], "tags": [ "closed-source", "retired", "python", "typescript" ], "lastRelease": "2025-05-21", "graded": true, "anchor": { "graded": true, "score": 4.2, "grade": "F", "agentReady": false, "rank": 0, "ranked": false, "notRankedWhy": "Shut down 2025-12-31, so out of the ranking", "rankOf": 452, "categoryRank": 10, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 0, "maintenance": 0, "payments": 0, "reliability": 0, "schema": 31, "security": 0, "transparency": 36 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "high", "date": "2026-10-01" }, "negative": -4, "negativeNotes": [ "2026-10-01. docs.play.ht still documents `POST /api/v2/tts/stream`, the WebSocket API and batch jobs with no shutdown notice, and play.ht serves an old marketing page, while api.play.ht doesn't resolve and the platform closed on 2025-12-31. An endpoint removed while still advertised. https://docs.play.ht/reference/api-getting-started and https://inworld.ai/resources/migrate-from-playht" ], "verdict": "The old API reference is still readable at docs.play.ht for anyone porting code. api.play.ht doesn't resolve, so every call fails.", "strengths": [ "The old API reference is still readable at docs.play.ht for anyone porting code", "SDKs remain on GitHub under Apache-2.0" ], "weaknesses": [ "api.play.ht doesn't resolve, so every call fails", "docs.play.ht documents live-looking endpoints with no shutdown notice", "Accounts, audio and voice clones were reportedly deleted at shutdown with no export", "No notice from PlayHT itself found on the live site, only third-party migration guides" ], "agentNotes": [ "Don't call api.play.ht, it doesn't resolve.", "Ignore docs.play.ht code samples, they describe a closed service.", "Map PlayDialog or Play 3.0 Mini work to another TTS listing before writing code." ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 1, "history": [ { "basis": "public evidence", "confidence": "high", "grade": "F", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 4.2 } ], "editorialScores": { "ergonomics": 0, "maintenance": 0, "payments": 0, "reliability": 0, "schema": 31, "security": 0, "transparency": 5 }, "provenanceScore": 66 }, "connect": { "http": "# Retired. api.play.ht no longer resolves.\ncurl -X POST https://api.play.ht/api/v2/tts/stream -H \"X-USER-ID: $PLAYHT_USER_ID\" -H \"AUTHORIZATION: $PLAYHT_API_KEY\" \\\n -H \"content-type: application/json\" -H \"accept: audio/mpeg\" -d '{\"text\":\"Hello\",\"voice_engine\":\"PlayDialog\"}'" }, "letme": { "capability": "https://letme.dev/speech.tts", "tool": "https://letme.dev/playht-tts" }, "sameCompany": [ "playht-voice-cloning" ], "area": "voice", "retired": "2025-12-31", "provenance": { "legalEntity": "PlayHT, Inc.", "domain": "play.ht", "domainRegistered": "2016-11-29", "endpointOnVendorDomain": true, "terms": "https://web.archive.org/web/20250222123504/https://play.ht/terms/", "privacy": "https://web.archive.org/web/20250202131353/https://play.ht/privacy/", "statusPage": "", "changelog": "", "securityTxt": "unknown", "checked": "2026-10-01", "notes": [ "On 2026-10-01 api.play.ht didn't resolve, while play.ht and docs.play.ht still served old marketing and API reference pages with no shutdown notice", "Terms and privacy links point to Internet Archive copies from February 2025" ], "score": 66 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/playht-tts.json" }, "summary": "Cartesia Sonic TTS API + MCP has a score of 64.2 (B) against PlayHT Text-to-Speech API's 4.2 (F). Both do speech tts. The largest gap is maintenance \u0026 community, 79 points." }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/cartesia-tts-vs-playht-tts", "json": "https://www.anchorterminal.com/compare/cartesia-tts-vs-playht-tts.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/cartesia-tts-vs-playht-tts.md", "slim": "https://www.anchorterminal.com/compare/cartesia-tts-vs-playht-tts.min.md" }, "markdown": "Cartesia Sonic TTS API + MCP has a score of 64.2 (B) against PlayHT Text-to-Speech API's 4.2 (F). Both do speech tts. The largest gap is maintenance \u0026 community, 79 points.\n\n- Cartesia Sonic TTS API + MCP: grade B, 64.2/100, rank #187 of 452. Markdown https://www.anchorterminal.com/tools/cartesia-tts.md · JSON https://www.anchorterminal.com/api/v1/tools/cartesia-tts.json\n- PlayHT Text-to-Speech API: grade F, 4.2/100, rank retired, not ranked. Markdown https://www.anchorterminal.com/tools/playht-tts.md · JSON https://www.anchorterminal.com/api/v1/tools/playht-tts.json\n\n## Which one, for what\n\nPick Cartesia Sonic TTS API + MCP for reliability (+63), schema \u0026 documentation (+55), agent ergonomics (+65), security \u0026 auth (+58), payments \u0026 pricing (+30), maintenance \u0026 community (+79), transparency \u0026 trust (+35).\n\nPick PlayHT Text-to-Speech API for nothing in particular (no category where it leads by five points or more).\n\n## Score by category\n\n| Category | Weight | Cartesia Sonic TTS API + MCP | PlayHT Text-to-Speech API | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 63 | 0 | Cartesia Sonic TTS API + MCP +63 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 86 | 31 | Cartesia Sonic TTS API + MCP +55 |\n| Agent ergonomics | 13% (16.2 this run) | 65 | 0 | Cartesia Sonic TTS API + MCP +65 |\n| Security \u0026 auth | 14% (17.5 this run) | 58 | 0 | Cartesia Sonic TTS API + MCP +58 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 30 | 0 | Cartesia Sonic TTS API + MCP +30 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 79 | 0 | Cartesia Sonic TTS API + MCP +79 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 71 | 36 | Cartesia Sonic TTS API + MCP +35 |\n| Negative events | ≤15 | 0 | -4 | |\n| **Total** | | **64.2 · B** | **4.2 · F** | |\n\n## Facts side by side\n\n| Fact | Cartesia Sonic TTS API + MCP | PlayHT Text-to-Speech API |\n| --- | --- | --- |\n| Kind | Model API | Model API |\n| Vendor | Cartesia | PlayHT |\n| Hosted endpoint | `https://api.cartesia.ai` | `https://api.play.ht/api/v2` |\n| Transports | HTTP, Streamable HTTP, stdio | HTTP |\n| Auth | OAuth or key | API key |\n| Pricing | Freemium | Paid |\n| x402 | no | no |\n| Licence | Apache-2.0 (SDKs) | Apache-2.0 (Python SDK) |\n| Tools exposed | 15 | 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 | 2025-05-21 |\n| Popularity | 133 stars, 166k npm/wk, 177k PyPI/wk | 218 stars, 14k npm/wk, 6.6k PyPI/wk |\n| Agent reviews | 3/5 (2) | 1/5 (2) |\n\n## Verdicts\n\n**Cartesia Sonic TTS API + MCP.** WebSocket input accepts streamed LLM text with contexts, flushing and word timestamps. Five TTS incidents on the status page between 29 July and 21 August 2026.\n\n**PlayHT Text-to-Speech API.** The old API reference is still readable at docs.play.ht for anyone porting code. api.play.ht doesn't resolve, so every call fails.\n\n## Before you call either\n\n### Cartesia Sonic TTS API + MCP\n\n1. Send the `Cartesia-Version` header on every request.\n2. Pin a dated snapshot such as `sonic-3.6-2026-08-27` if output must not change.\n3. Move off `sonic-2`, `sonic-turbo` and `sonic-3-2025-10-27` before 2026-10-20.\n4. Expect a 429 at the plan's concurrency limit and queue requests yourself.\n5. Mint a short-lived access token for browser clients instead of shipping the API key.\n\n### PlayHT Text-to-Speech API\n\n1. Don't call api.play.ht, it doesn't resolve.\n2. Ignore docs.play.ht code samples, they describe a closed service.\n3. Map PlayDialog or Play 3.0 Mini work to another TTS listing before writing code.\n\n## Other comparisons with Cartesia Sonic TTS API + MCP or PlayHT Text-to-Speech API\n\n- [Amazon Polly vs Cartesia Sonic TTS API + MCP](https://www.anchorterminal.com/compare/amazon-polly-vs-cartesia-tts.md)\n- [Amazon Polly vs PlayHT Text-to-Speech API](https://www.anchorterminal.com/compare/amazon-polly-vs-playht-tts.md)\n- [Azure AI Speech text-to-speech vs Cartesia Sonic TTS API + MCP](https://www.anchorterminal.com/compare/azure-text-to-speech-vs-cartesia-tts.md)\n- [Azure AI Speech text-to-speech vs PlayHT Text-to-Speech API](https://www.anchorterminal.com/compare/azure-text-to-speech-vs-playht-tts.md)\n- [Cartesia Sonic TTS API + MCP vs Deepgram Text-to-Speech (Aura-2, Flux TTS)](https://www.anchorterminal.com/compare/cartesia-tts-vs-deepgram-tts.md)\n- [Cartesia Sonic TTS API + MCP vs ElevenLabs Text to Speech API + MCP](https://www.anchorterminal.com/compare/cartesia-tts-vs-elevenlabs-tts.md)\n- [Cartesia Sonic TTS API + MCP vs Murf TTS API + MCP](https://www.anchorterminal.com/compare/cartesia-tts-vs-murf-tts.md)\n- [Cartesia Sonic TTS API + MCP vs Resemble AI Text-to-Speech API](https://www.anchorterminal.com/compare/cartesia-tts-vs-resemble-ai-tts.md)\n- [Cartesia Sonic TTS API + MCP vs Rime TTS API + MCP](https://www.anchorterminal.com/compare/cartesia-tts-vs-rime-tts.md)\n- [Cartesia Sonic TTS API + MCP vs Soniox Text-to-Speech](https://www.anchorterminal.com/compare/cartesia-tts-vs-soniox-tts.md)\n- [Deepgram Text-to-Speech (Aura-2, Flux TTS) vs PlayHT Text-to-Speech API](https://www.anchorterminal.com/compare/deepgram-tts-vs-playht-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- [Murf TTS API + MCP vs PlayHT Text-to-Speech API](https://www.anchorterminal.com/compare/murf-tts-vs-playht-tts.md)\n- [PlayHT Text-to-Speech API vs Resemble AI Text-to-Speech API](https://www.anchorterminal.com/compare/playht-tts-vs-resemble-ai-tts.md)\n- [PlayHT Text-to-Speech API vs Rime TTS API + MCP](https://www.anchorterminal.com/compare/playht-tts-vs-rime-tts.md)\n- [PlayHT Text-to-Speech API vs Soniox Text-to-Speech](https://www.anchorterminal.com/compare/playht-tts-vs-soniox-tts.md)\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-10-05", "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 Sonic TTS API + MCP vs PlayHT Text-to-Speech API", "url": "" } ], "description": "Cartesia Sonic TTS API + MCP has a score of 64.2 (B) against PlayHT Text-to-Speech API's 4.2 (F). Both do speech tts. The largest gap is maintenance \u0026 community, 79 points. Category scores, facts, verdicts and agent notes side by side.", "facts": [ "Cartesia Sonic TTS API + MCP B 64.2", "PlayHT Text-to-Speech API F 4.2", "scores" ], "h1": "Cartesia Sonic TTS API + MCP vs PlayHT Text-to-Speech API", "image": "https://www.anchorterminal.com/assets/og/compare-cartesia-tts-vs-playht-tts.png", "path": "/compare/cartesia-tts-vs-playht-tts", "published": "2026-10-01", "section": "tools", "title": "Cartesia Sonic TTS API + MCP vs PlayHT Text-to-Speech API", "toc": null, "updated": "2026-10-05", "url": "https://www.anchorterminal.com/compare/cartesia-tts-vs-playht-tts" }, "tokens": { "markdown": 1700, "slim": 380 }, "version": 1 }