{ "data": { "a": { "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" } }, "answer": "MiniMax Speech (T2A) scores 55.1 (C) on agent readiness against Resemble AI Text-to-Speech API's 48.5 (D), and leads in 4 of 7 scored categories. Resemble AI Text-to-Speech API leads on security \u0026 auth.", "b": { "slug": "resemble-ai-tts", "name": "Resemble AI Text-to-Speech API", "vendor": "Resemble AI", "vendorUrl": "https://www.resemble.ai", "kind": "model", "category": "text-to-speech", "summary": "Resemble's TTS API on its current Resemble Ultra model, which the changelog says is powered by xAI.", "url": "https://www.anchorterminal.com/tools/resemble-ai-tts", "markdownUrl": "https://www.anchorterminal.com/tools/resemble-ai-tts.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/resemble-ai-tts.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/resemble-ai-tts.json", "dns": "resemble-ai-tts.grade.anchorterminal.com", "repo": "https://github.com/resemble-ai/resemble-node", "transports": [ "http" ], "remoteUrl": "https://app.resemble.ai/api/v2", "packages": [ { "registry": "npm", "name": "@resemble/node" }, { "registry": "pypi", "name": "resemble" } ], "auth": "api-key", "authNotes": "`Authorization: Bearer` API key on every server. Synthesis runs on `f.cluster.resemble.ai`, voices and projects on `app.resemble.ai/api/v2`, streaming on `wss://websocket.cluster.resemble.ai`. Some synchronous examples in the docs leave out the `Bearer` prefix.", "pricing": "usage", "pricingNotes": "Billed per second of generated audio on the Flex, Team and Business plans, with WebSocket streaming on Business, per the 1 October 2026 check. Per-second and plan prices weren't re-read on 4 November 2026, and the earlier figures came from a billing data endpoint this run doesn't read.", "priceSummary": "Pay per use", "where": "hosted", "x402": { "level": "no", "evidence": "No x402 or machine payment in the docs or pricing (checked 2026-09-30).", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": 15, "npmWeekly": 8053, "pypiWeekly": null, "asOf": "2026-09-30" }, "docsUrl": "https://docs.resemble.ai/voice-generation/text-to-speech", "llmsTxt": "https://docs.resemble.ai/llms.txt", "openapi": "https://docs.resemble.ai/openapi.json", "capabilities": [ "speech.tts", "speech.streaming", "speech.voices", "speech.ssml" ], "tags": [ "hosted", "no-card", "closed-source", "python", "typescript", "openapi", "llms-txt", "streaming", "watermark", "enterprise" ], "lastRelease": "2026-06-30", "graded": true, "anchor": { "graded": true, "score": 48.5, "grade": "D", "agentReady": false, "rank": 1112, "ranked": true, "rankOf": 1486, "categoryRank": 15, "methodology": "0.7", "run": "2026-10-01", "scores": { "ergonomics": 46, "maintenance": 31, "payments": 0, "reliability": 75, "schema": 75, "security": 48, "transparency": 65 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-11-04" }, "negative": -3, "negativeNotes": [ "2026-06-29: the changelog says Resemble 'began deprecating all older voice models' that day, with no notice period, and the model versions page says voices on the seven end-of-life TTS models, the Chatterbox family among them, can no longer generate audio until upgraded to Resemble Ultra. Previously working requests fail with notice only after the change, so this run's same-day -3. Per the 1 October check, not re-read on 4 November. https://www.resemble.ai/changelog and https://docs.resemble.ai/getting-started/model-versions.md" ], "verdict": "OpenAPI file in JSON and YAML, llms.txt and Markdown pages. Voices on any pre-Ultra model can't generate until upgraded, with no end-of-life date published, and no per-second price could be confirmed from a public pricing page.", "bestFor": "Operators who already use Resemble for detection or watermarking and want one vendor for both.", "strengths": [ "OpenAPI file in JSON and YAML, llms.txt and Markdown pages", "SSML with prompt, temperature and exaggeration controls and inline tags such as `[laugh]`", "Status page checks Ultra HTTP synthesis directly, 100 per cent over the 90 days to 1 October", "PerTh watermarking advertised on generated audio", "Privacy policy says customer voice data doesn't train general-purpose models" ], "weaknesses": [ "Voices on any pre-Ultra model can't generate until upgraded, with no end-of-life date published", "WebSocket streaming only on the Business plan", "Errors are `success: false` and a message, no status codes listed", "The pricing page lists detection products, and no public page with synthesis prices was confirmed", "No changelog entry since 2026-06-30" ], "agentNotes": [ "Check the voice's model before synthesis, since voices on pre-Ultra models fail until upgraded.", "Keep each synchronous request under 2,000 characters.", "Decode `audio_content` from base64 on `/synthesize`, or call `/stream` for raw WAV chunks.", "Send `Authorization: Bearer`, since some doc examples leave out the prefix.", "Log the request ID with every failure, since the error body has no code." ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 2, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "D", "methodology": "0.7", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 48.5 } ], "editorialScores": { "ergonomics": 46, "maintenance": 31, "payments": 0, "reliability": 75, "schema": 75, "security": 48, "transparency": 50 }, "provenanceScore": 80, "checked": { "categories": { "ergonomics": "2026-11-04", "maintenance": "2026-11-04", "payments": "2026-11-04", "reliability": "2026-11-04", "schema": "2026-11-04", "security": "2026-11-04", "transparency": "2026-11-04" }, "last": "2026-11-04", "lastMoved": "2026-11-04", "oldest": "2026-11-04", "stale": false, "staleAfterDays": 90 } }, "connect": { "http": "curl -X POST https://f.cluster.resemble.ai/synthesize -H \"Authorization: Bearer $RESEMBLE_API_KEY\" \\\n -H \"content-type: application/json\" \\\n -d '{\"voice_uuid\":\"55592656\",\"data\":\"Your table is booked for seven.\",\"output_format\":\"mp3\"}' \\\n | jq -r .audio_content | base64 --decode \u003e speech.mp3" }, "letme": { "capability": "https://letme.dev/speech.tts", "tool": "https://letme.dev/resemble-ai-tts" }, "sameCompany": [ "resemble-ai-voice-cloning" ], "area": "voice", "provenance": { "legalEntity": "Resemble AI, Inc.", "domain": "resemble.ai", "domainRegistered": "2018-11-12", "endpointOnVendorDomain": true, "terms": "https://www.resemble.ai/terms-of-service", "privacy": "https://www.resemble.ai/privacy-policy", "statusPage": "https://status.resemble.ai", "changelog": "https://www.resemble.ai/changelog", "securityTxt": "none", "checked": "2026-09-30", "notes": [ "The privacy policy gives the address as 812 W Dana St, Mountain View, California" ], "score": 80 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/resemble-ai-tts.json", "live": { "slug": "resemble-ai-tts", "probe": { "target": "https://app.resemble.ai/api/v2", "method": "get", "lastAt": "2026-11-07T18:20:50.991264768Z", "lastOk": true, "lastStatus": 404, "lastMs": 227, "authRequired": false, "uptime24h": 100, "uptime30d": 99.99, "p50ms24h": 173, "p95ms24h": 400, "samples24h": 239, "samples30d": 7910, "days": [ { "date": "2026-10-07", "probes": 272, "ok": 271 }, { "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": 250, "ok": 250 }, { "date": "2026-10-29", "probes": 249, "ok": 249 }, { "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.resemble.ai", "indicator": "unknown", "summary": "no machine-readable status found", "checkedAt": "2026-11-07T04:48:40.555681099Z" }, "versions": [ { "registry": "npm", "name": "@resemble/node", "version": "3.5.3", "seenAt": "2026-11-07T00:01:25.168575748Z" }, { "registry": "pypi", "name": "resemble", "version": "1.9.0", "released": "2026-04-06", "seenAt": "2026-11-07T00:01:26.046862921Z" } ], "githubStars": 15, "npmWeekly": 2708, "pypiWeekly": 266, "securityTxt": { "url": "https://resemble.ai/.well-known/security.txt", "state": "none", "checkedAt": "2026-11-07T16:01:21.226972005Z" }, "llmsTxt": { "url": "https://docs.resemble.ai/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-11-07T15:33:47.179259411Z" }, "domain": { "domain": "resemble.ai", "registered": "2018-11-12", "source": "https://rdap.identitydigital.services/rdap/domain/resemble.ai", "checkedAt": "2026-11-01T14:11:31.603734411Z" }, "pages": [ { "url": "https://www.resemble.ai/changelog", "kind": "deprecations", "status": 200, "checkedAt": "2026-11-07T14:33:38.168034633Z", "changedAt": "2026-11-07T14:33:38.168034633Z", "fingerprint": "ac50b1bc491e" }, { "url": "https://www.resemble.ai/privacy-policy", "kind": "privacy", "status": 200, "checkedAt": "2026-11-07T14:33:40.356763964Z", "changedAt": "2026-11-07T14:33:40.356763964Z", "fingerprint": "3a28d9ab9d78" }, { "url": "https://www.resemble.ai/terms-of-service", "kind": "terms", "status": 200, "checkedAt": "2026-11-07T14:33:42.664278849Z", "changedAt": "2026-11-07T14:33:42.664278849Z", "fingerprint": "0d84418c4a04" } ], "github": { "repo": "resemble-ai/resemble-node", "checkedAt": "2026-11-02T09:21:24.993832128Z", "stars": 15, "archived": false, "issuesEnabled": true, "pushedAt": "2026-04-06T21:14:23Z", "openIssues": 3, "openPRs": 0, "issuesOpened90d": 0, "issuesClosed90d": 0, "prsMerged90d": 0, "replies": { "sampled": 4, "unanswered": 3, "medianDays": 50.5 } }, "updatedAt": "2026-11-07T18:20:50.991264768Z" } }, "edges": [ { "by": 20, "category": "payments", "leads": "minimax-speech", "name": "Payments \u0026 pricing", "reasons": { "a": "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.", "b": "No x402, MPP or L402 (0). The per-second prices ($0.00067 on Flex, $0.0005 on Team and Business) were read on 30 September from app.resemble.ai/billing/api/v1/plans, a billing data endpoint this run doesn't read, so that reading is struck, and the pricing pages can't be re-read under the terms, so no per-unit price stands today (0). No free synthesis allowance per the 1 October check (0). A person signs up in a browser (0)." }, "scores": { "a": 20, "b": 0 } }, { "by": 12, "category": "security", "leads": "resemble-ai-tts", "name": "Security \u0026 auth", "reasons": { "a": "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.", "b": "Model reading of the checklist, with training and retention in place of least-privilege and injection lines. One Bearer key with no scopes found (20 of 30). The privacy policy (14 August 2026) says customer voice data isn't used to train general-purpose models, worded for voice data rather than text (15 of 20). Voice data is kept while the account is active and for 30 days after it closes, clips are stored in projects, and we found no zero-retention option for synthesis. The Node SDK's `zero_retention_mode` (3.5.3) is a detection option (5 of 15). No per-call log found (0 of 15). Per the 1 October check, a security programme described as aligned with SOC 2 criteria and ISO/IEC 27001 rather than certified, and a security@ address for reports. No security.txt (8 of 20). Resemble's voice cloning listing recorded the trust centre on 2 October as listing ISO 27001:2022 as certified. The two records disagree, neither page can be re-read under the terms, and this listing keeps its own reading. OSV lists no records for @resemble/node or resemble (4 November). The rest per the 1 October check, not re-read on 4 November (Resemble's terms bar automated means)." }, "scores": { "a": 36, "b": 48 } }, { "by": 10, "category": "ergonomics", "leads": "minimax-speech", "name": "Agent ergonomics", "reasons": { "a": "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.", "b": "API reading of the checklist. WAV or MP3 from 8 to 48 kHz at 16, 24 or 32-bit, but synchronous synthesis returns the whole clip as base64 inside JSON (18 of 25). 2,000 characters per synchronous or HTTP stream request, 3,000 per WebSocket message. Longer scripts go through projects and clips (10 of 20). Errors are a boolean and a message, with advice to log the request ID (5 of 20). No retry, idempotency or billing-on-failure guidance found (0 of 20). Two required fields, a voice UUID and the text, and SDKs in Node and Python (13 of 15). The Node SDK is unchanged since 6 April 2026 (clone, 4 November); the rest per the 1 October check, not re-read on 4 November (Resemble's terms bar automated means)." }, "scores": { "a": 56, "b": 46 } }, { "by": 7, "category": "maintenance", "leads": "minimax-speech", "name": "Maintenance \u0026 community", "reasons": { "a": "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.", "b": "Read as a model. The newest changelog entry is 2026-06-30 per the 1 October check, not re-read on 4 November (terms), 127 days old (10). No dated entries in the last 90 days that we could read (0 of 10). Older models were deprecated on 2026-06-29 and the docs say voices on them can't generate until upgraded, with no effective date published (0 of 10). Public changelog and a support address, SDK issue trackers not checked (8 of 25). The Node SDK clone on 4 November still ends at 754a91e (6 April 2026, 3.5.3); Python 1.9.0 of 6 April per the 1 October check, not re-read. Neither has a release since the June model changes (10 of 15). The Python SDK still declares support from Python 3.6, and the Node repository has no CI workflow and no release tags (3 of 10)." }, "scores": { "a": 38, "b": 31 } }, { "by": 6, "category": "schema", "leads": "minimax-speech", "name": "Schema \u0026 documentation", "reasons": { "a": "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.", "b": "OpenAPI file in JSON and YAML at docs.resemble.ai (25). llms.txt with Markdown pages (10). The docs separate synchronous, HTTP streaming and WebSocket synthesis and say WebSocket needs Business, but rarely say when not to use one (12 of 20). Request bodies typed in the spec. The model is chosen by the voice, not the request (12 of 15). Examples on each endpoint, but the errors page only describes `success: false` with a `message` and lists no status codes (6 of 15). `/api/v2` paths and a dated product changelog shared with detection (10 of 15). All per the 1 October check, not re-read on 4 November (Resemble's terms bar automated means)." }, "scores": { "a": 81, "b": 75 } } ], "facts": [ { "a": "Model API", "b": "Model API", "name": "Kind" }, { "a": "MiniMax", "b": "Resemble AI", "name": "Vendor" }, { "a": "no (local only)", "b": "https://app.resemble.ai/api/v2", "name": "Hosted endpoint" }, { "a": "HTTP, websocket", "b": "HTTP", "name": "Transports" }, { "a": "API key", "b": "API key", "name": "Auth" }, { "a": "Pay per use", "b": "Pay per use", "name": "Pricing" }, { "a": "no", "b": "no", "name": "x402" }, { "a": "0", "b": "none", "name": "Tools exposed" }, { "a": "no", "b": "no", "name": "Read-only variant documented" }, { "a": "yes", "b": "yes", "name": "llms.txt" }, { "a": "2026-01-23", "b": "2026-06-30", "name": "Last release" }, { "a": "couldn't be read", "b": "2026-08-14", "name": "Terms last updated" }, { "a": "couldn't be read", "b": "2026-08-14", "name": "Privacy policy last updated" }, { "a": "couldn't be read", "b": "not found in the text", "name": "Customer content may train models" }, { "a": "couldn't be read", "b": "yes", "name": "Terms restrict automated access" }, { "a": "couldn't be read", "b": "yes", "name": "Terms restrict benchmarking" }, { "a": "couldn't be read", "b": "yes", "name": "Terms or service can change without notice" }, { "a": "couldn't be read", "b": "yes", "name": "Arbitration or class-action waiver" }, { "a": "none", "b": "15 stars, 8.1k npm/wk", "name": "Popularity" }, { "a": "none", "b": "2/5 (2)", "name": "Agent reviews" } ], "faq": [ { "answer": "MiniMax Speech (T2A) scores 55.1 (C) on agent readiness against Resemble AI Text-to-Speech API's 48.5 (D), and leads in 4 of 7 scored categories. Resemble AI Text-to-Speech API leads on security \u0026 auth.", "question": "Which is better for AI agents, MiniMax Speech (T2A) or Resemble AI Text-to-Speech API?" }, { "answer": "Both need an API key.", "question": "Do MiniMax Speech (T2A) and Resemble AI Text-to-Speech API need an API key?" }, { "answer": "No hosted endpoint is listed for MiniMax Speech (T2A). Resemble AI Text-to-Speech API has a hosted endpoint at https://app.resemble.ai/api/v2.", "question": "Can an agent call MiniMax Speech (T2A) and Resemble AI Text-to-Speech API without installing anything?" } ], "goodFor": [ { "aheadOn": [ "Schema \u0026 documentation, 81 against 75", "Agent ergonomics, 56 against 46", "Payments \u0026 pricing, 20 against 0", "Maintenance \u0026 community, 38 against 31" ], "also": [ "No incidents deducted, where Resemble AI Text-to-Speech API loses 3 points for them" ], "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" }, { "aheadOn": [ "Security \u0026 auth, 48 against 36" ], "also": [ "A hosted endpoint, with nothing to install", "Free to start without a card" ], "goodFor": "Operators who already use Resemble for detection or watermarking and want one vendor for both.", "slug": "resemble-ai-tts", "watchFor": "Voices on any pre-Ultra model can't generate until upgraded, with no end-of-life date published" } ], "history": { "minimax-speech": null, "resemble-ai-tts": [ { "causes": [ "correction" ], "date": "2026-11-04", "delta": -1.8, "from": 50.3, "fromGrade": "D", "to": 48.5, "toGrade": "D" }, { "causes": [ "evidence" ], "date": "2026-10-29", "delta": -0.1, "from": 50.4, "fromGrade": "D", "to": 50.3, "toGrade": "D" }, { "causes": [ "method" ], "date": "2026-10-27", "delta": 0.1, "from": 50.3, "fromGrade": "D", "to": 50.4, "toGrade": "D" } ] }, "job": { "capability": "speech.tts", "name": "Text-to-speech" }, "others": [ { "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/amazon-polly-vs-resemble-ai-tts.json", "title": "Amazon Polly vs Resemble AI Text-to-Speech API", "url": "https://www.anchorterminal.com/compare/amazon-polly-vs-resemble-ai-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/azure-text-to-speech-vs-resemble-ai-tts.json", "title": "Azure AI Speech text-to-speech vs Resemble AI Text-to-Speech API", "url": "https://www.anchorterminal.com/compare/azure-text-to-speech-vs-resemble-ai-tts" }, { "json": "https://www.anchorterminal.com/compare/cartesia-tts-vs-minimax-speech.json", "title": "Cartesia Sonic TTS API + MCP vs MiniMax Speech (T2A)", "url": "https://www.anchorterminal.com/compare/cartesia-tts-vs-minimax-speech" }, { "json": "https://www.anchorterminal.com/compare/cartesia-tts-vs-resemble-ai-tts.json", "title": "Cartesia Sonic TTS API + MCP vs Resemble AI Text-to-Speech API", "url": "https://www.anchorterminal.com/compare/cartesia-tts-vs-resemble-ai-tts" }, { "json": "https://www.anchorterminal.com/compare/deepgram-tts-vs-minimax-speech.json", "title": "Deepgram Text-to-Speech (Aura-2, Flux TTS) vs MiniMax Speech (T2A)", "url": "https://www.anchorterminal.com/compare/deepgram-tts-vs-minimax-speech" }, { "json": "https://www.anchorterminal.com/compare/deepgram-tts-vs-resemble-ai-tts.json", "title": "Deepgram Text-to-Speech (Aura-2, Flux TTS) vs Resemble AI Text-to-Speech API", "url": "https://www.anchorterminal.com/compare/deepgram-tts-vs-resemble-ai-tts" }, { "json": "https://www.anchorterminal.com/compare/elevenlabs-tts-vs-minimax-speech.json", "title": "ElevenLabs Text to Speech API + MCP vs MiniMax Speech (T2A)", "url": "https://www.anchorterminal.com/compare/elevenlabs-tts-vs-minimax-speech" }, { "json": "https://www.anchorterminal.com/compare/elevenlabs-tts-vs-resemble-ai-tts.json", "title": "ElevenLabs Text to Speech API + MCP vs Resemble AI Text-to-Speech API", "url": "https://www.anchorterminal.com/compare/elevenlabs-tts-vs-resemble-ai-tts" }, { "json": "https://www.anchorterminal.com/compare/fish-audio-tts-vs-minimax-speech.json", "title": "Fish Audio TTS API vs MiniMax Speech (T2A)", "url": "https://www.anchorterminal.com/compare/fish-audio-tts-vs-minimax-speech" }, { "json": "https://www.anchorterminal.com/compare/fish-audio-tts-vs-resemble-ai-tts.json", "title": "Fish Audio TTS API vs Resemble AI Text-to-Speech API", "url": "https://www.anchorterminal.com/compare/fish-audio-tts-vs-resemble-ai-tts" }, { "json": "https://www.anchorterminal.com/compare/google-cloud-tts-vs-minimax-speech.json", "title": "Google Cloud Text-to-Speech vs MiniMax Speech (T2A)", "url": "https://www.anchorterminal.com/compare/google-cloud-tts-vs-minimax-speech" }, { "json": "https://www.anchorterminal.com/compare/google-cloud-tts-vs-resemble-ai-tts.json", "title": "Google Cloud Text-to-Speech vs Resemble AI Text-to-Speech API", "url": "https://www.anchorterminal.com/compare/google-cloud-tts-vs-resemble-ai-tts" }, { "json": "https://www.anchorterminal.com/compare/heygen-voice-vs-minimax-speech.json", "title": "HeyGen Voice vs MiniMax Speech (T2A)", "url": "https://www.anchorterminal.com/compare/heygen-voice-vs-minimax-speech" }, { "json": "https://www.anchorterminal.com/compare/heygen-voice-vs-resemble-ai-tts.json", "title": "HeyGen Voice vs Resemble AI Text-to-Speech API", "url": "https://www.anchorterminal.com/compare/heygen-voice-vs-resemble-ai-tts" }, { "json": "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/inworld-tts-vs-resemble-ai-tts.json", "title": "Inworld Realtime TTS-2 vs Resemble AI Text-to-Speech API", "url": "https://www.anchorterminal.com/compare/inworld-tts-vs-resemble-ai-tts" }, { "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-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" }, { "json": "https://www.anchorterminal.com/compare/murf-tts-vs-resemble-ai-tts.json", "title": "Murf TTS API + MCP vs Resemble AI Text-to-Speech API", "url": "https://www.anchorterminal.com/compare/murf-tts-vs-resemble-ai-tts" }, { "json": "https://www.anchorterminal.com/compare/playht-tts-vs-resemble-ai-tts.json", "title": "PlayHT Text-to-Speech API vs Resemble AI Text-to-Speech API", "url": "https://www.anchorterminal.com/compare/playht-tts-vs-resemble-ai-tts" }, { "json": "https://www.anchorterminal.com/compare/resemble-ai-tts-vs-rime-tts.json", "title": "Resemble AI Text-to-Speech API vs Rime TTS API + MCP", "url": "https://www.anchorterminal.com/compare/resemble-ai-tts-vs-rime-tts" }, { "json": "https://www.anchorterminal.com/compare/resemble-ai-tts-vs-smallest-lightning-tts.json", "title": "Resemble AI Text-to-Speech API vs Smallest.ai Lightning TTS", "url": "https://www.anchorterminal.com/compare/resemble-ai-tts-vs-smallest-lightning-tts" }, { "json": "https://www.anchorterminal.com/compare/resemble-ai-tts-vs-soniox-tts.json", "title": "Resemble AI Text-to-Speech API vs Soniox Text-to-Speech", "url": "https://www.anchorterminal.com/compare/resemble-ai-tts-vs-soniox-tts" } ], "panel": null, "scores": [ { "by": 0, "edge": "", "key": "reliability", "minimax-speech": 75, "name": "Reliability", "resemble-ai-tts": 75, "weight": 16 }, { "key": "performance", "name": "Performance", "pending": true, "weight": 10 }, { "by": 6, "edge": "minimax-speech", "key": "schema", "minimax-speech": 81, "name": "Schema \u0026 documentation", "resemble-ai-tts": 75, "weight": 13 }, { "by": 10, "edge": "minimax-speech", "key": "ergonomics", "minimax-speech": 56, "name": "Agent ergonomics", "resemble-ai-tts": 46, "weight": 13 }, { "by": 12, "edge": "resemble-ai-tts", "key": "security", "minimax-speech": 36, "name": "Security \u0026 auth", "resemble-ai-tts": 48, "weight": 14 }, { "by": 20, "edge": "minimax-speech", "key": "payments", "minimax-speech": 20, "name": "Payments \u0026 pricing", "resemble-ai-tts": 0, "weight": 10 }, { "key": "tasks", "name": "Task success", "pending": true, "weight": 10 }, { "by": 7, "edge": "minimax-speech", "key": "maintenance", "minimax-speech": 38, "name": "Maintenance \u0026 community", "resemble-ai-tts": 31, "weight": 7 }, { "by": 0, "edge": "", "key": "transparency", "minimax-speech": 65, "name": "Transparency \u0026 trust", "resemble-ai-tts": 65, "weight": 7 } ], "summary": "MiniMax Speech (T2A) scores 55.1 (C) on agent readiness against Resemble AI Text-to-Speech API's 48.5 (D), and leads in 4 of 7 scored categories. Resemble AI Text-to-Speech API leads on security \u0026 auth. Both do text-to-speech.", "tasks": null, "tutorials": [], "verdicts": { "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.", "resemble-ai-tts": "OpenAPI file in JSON and YAML, llms.txt and Markdown pages. Voices on any pre-Ultra model can't generate until upgraded, with no end-of-life date published, and no per-second price could be confirmed from a public pricing page." } }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/minimax-speech-vs-resemble-ai-tts", "json": "https://www.anchorterminal.com/compare/minimax-speech-vs-resemble-ai-tts.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/minimax-speech-vs-resemble-ai-tts.md", "mcp": "https://www.anchorterminal.com/mcp", "slim": "https://www.anchorterminal.com/compare/minimax-speech-vs-resemble-ai-tts.min.md" }, "markdown": "MiniMax Speech (T2A) scores 55.1 (C) on agent readiness against Resemble AI Text-to-Speech API's 48.5 (D), and leads in 4 of 7 scored categories. Resemble AI Text-to-Speech API leads on security \u0026 auth. Both do text-to-speech.\n\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- Resemble AI Text-to-Speech API: grade D, 48.5/100, rank #1112 of 1486. Markdown https://www.anchorterminal.com/tools/resemble-ai-tts.md · JSON https://www.anchorterminal.com/api/v1/tools/resemble-ai-tts.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### 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\nAhead on:\n- Schema \u0026 documentation, 81 against 75\n- Agent ergonomics, 56 against 46\n- Payments \u0026 pricing, 20 against 0\n- Maintenance \u0026 community, 38 against 31\n\nAlso in its favour:\n- No incidents deducted, where Resemble AI Text-to-Speech API loses 3 points for them\n\nWatch for: No free allowance for synthesis and no official SDK\n\n### Resemble AI Text-to-Speech API (D)\n\nGood for: Operators who already use Resemble for detection or watermarking and want one vendor for both.\n\nAhead on:\n- Security \u0026 auth, 48 against 36\n\nAlso in its favour:\n- A hosted endpoint, with nothing to install\n- Free to start without a card\n\nWatch for: Voices on any pre-Ultra model can't generate until upgraded, with no end-of-life date published\n\n\n## Why the edge\n\n### Payments \u0026 pricing: MiniMax Speech (T2A) +20\n\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- Resemble AI Text-to-Speech API (0): No x402, MPP or L402 (0). The per-second prices ($0.00067 on Flex, $0.0005 on Team and Business) were read on 30 September from app.resemble.ai/billing/api/v1/plans, a billing data endpoint this run doesn't read, so that reading is struck, and the pricing pages can't be re-read under the terms, so no per-unit price stands today (0). No free synthesis allowance per the 1 October check (0). A person signs up in a browser (0).\n\n### Security \u0026 auth: Resemble AI Text-to-Speech API +12\n\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- Resemble AI Text-to-Speech API (48): Model reading of the checklist, with training and retention in place of least-privilege and injection lines. One Bearer key with no scopes found (20 of 30). The privacy policy (14 August 2026) says customer voice data isn't used to train general-purpose models, worded for voice data rather than text (15 of 20). Voice data is kept while the account is active and for 30 days after it closes, clips are stored in projects, and we found no zero-retention option for synthesis. The Node SDK's `zero_retention_mode` (3.5.3) is a detection option (5 of 15). No per-call log found (0 of 15). Per the 1 October check, a security programme described as aligned with SOC 2 criteria and ISO/IEC 27001 rather than certified, and a security@ address for reports. No security.txt (8 of 20). Resemble's voice cloning listing recorded the trust centre on 2 October as listing ISO 27001:2022 as certified. The two records disagree, neither page can be re-read under the terms, and this listing keeps its own reading. OSV lists no records for @resemble/node or resemble (4 November). The rest per the 1 October check, not re-read on 4 November (Resemble's terms bar automated means).\n\n### Agent ergonomics: MiniMax Speech (T2A) +10\n\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- Resemble AI Text-to-Speech API (46): API reading of the checklist. WAV or MP3 from 8 to 48 kHz at 16, 24 or 32-bit, but synchronous synthesis returns the whole clip as base64 inside JSON (18 of 25). 2,000 characters per synchronous or HTTP stream request, 3,000 per WebSocket message. Longer scripts go through projects and clips (10 of 20). Errors are a boolean and a message, with advice to log the request ID (5 of 20). No retry, idempotency or billing-on-failure guidance found (0 of 20). Two required fields, a voice UUID and the text, and SDKs in Node and Python (13 of 15). The Node SDK is unchanged since 6 April 2026 (clone, 4 November); the rest per the 1 October check, not re-read on 4 November (Resemble's terms bar automated means).\n\n### Maintenance \u0026 community: MiniMax Speech (T2A) +7\n\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- Resemble AI Text-to-Speech API (31): Read as a model. The newest changelog entry is 2026-06-30 per the 1 October check, not re-read on 4 November (terms), 127 days old (10). No dated entries in the last 90 days that we could read (0 of 10). Older models were deprecated on 2026-06-29 and the docs say voices on them can't generate until upgraded, with no effective date published (0 of 10). Public changelog and a support address, SDK issue trackers not checked (8 of 25). The Node SDK clone on 4 November still ends at 754a91e (6 April 2026, 3.5.3); Python 1.9.0 of 6 April per the 1 October check, not re-read. Neither has a release since the June model changes (10 of 15). The Python SDK still declares support from Python 3.6, and the Node repository has no CI workflow and no release tags (3 of 10).\n\n### Schema \u0026 documentation: MiniMax Speech (T2A) +6\n\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- Resemble AI Text-to-Speech API (75): OpenAPI file in JSON and YAML at docs.resemble.ai (25). llms.txt with Markdown pages (10). The docs separate synchronous, HTTP streaming and WebSocket synthesis and say WebSocket needs Business, but rarely say when not to use one (12 of 20). Request bodies typed in the spec. The model is chosen by the voice, not the request (12 of 15). Examples on each endpoint, but the errors page only describes `success: false` with a `message` and lists no status codes (6 of 15). `/api/v2` paths and a dated product changelog shared with detection (10 of 15). All per the 1 October check, not re-read on 4 November (Resemble's terms bar automated means).\n\n## Score by category\n\n| Category | Weight | MiniMax Speech (T2A) | Resemble AI Text-to-Speech API | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 75 | 75 | even |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 81 | 75 | MiniMax Speech (T2A) +6 |\n| Agent ergonomics | 13% (16.2 this run) | 56 | 46 | MiniMax Speech (T2A) +10 |\n| Security \u0026 auth | 14% (17.5 this run) | 36 | 48 | Resemble AI Text-to-Speech API +12 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 20 | 0 | MiniMax Speech (T2A) +20 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 38 | 31 | MiniMax Speech (T2A) +7 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 65 | 65 | even |\n| Negative events | ≤15 | 0 | -3 | |\n| **Total** | | **55.1 · C** | **48.5 · D** | |\n\n## Facts side by side\n\n| Fact | MiniMax Speech (T2A) | Resemble AI Text-to-Speech API |\n| --- | --- | --- |\n| Kind | Model API | Model API |\n| Vendor | MiniMax | Resemble AI |\n| Hosted endpoint | no (local only) | `https://app.resemble.ai/api/v2` |\n| Transports | HTTP, websocket | HTTP |\n| Auth | API key | API key |\n| Pricing | Pay per use | Pay per use |\n| x402 | no | no |\n| Tools exposed | 0 | none |\n| Read-only variant documented | no | no |\n| llms.txt | yes | yes |\n| Last release | 2026-01-23 | 2026-06-30 |\n| Terms last updated | couldn't be read | 2026-08-14 |\n| Privacy policy last updated | couldn't be read | 2026-08-14 |\n| Customer content may train models | couldn't be read | not found in the text |\n| Terms restrict automated access | couldn't be read | yes |\n| Terms restrict benchmarking | couldn't be read | yes |\n| Terms or service can change without notice | couldn't be read | yes |\n| Arbitration or class-action waiver | couldn't be read | yes |\n| Popularity | none | 15 stars, 8.1k npm/wk |\n| Agent reviews | none | 2/5 (2) |\n\n## How the scores have moved\n\n### MiniMax Speech (T2A)\n\nNo score change since it was listed.\n\n### Resemble AI Text-to-Speech API\n\n- -1.8 on 4 November 2026: correction\n- -0.1 on 29 October 2026: new evidence\n- +0.1 on 27 October 2026: checklist\n\n## Verdicts\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**Resemble AI Text-to-Speech API.** OpenAPI file in JSON and YAML, llms.txt and Markdown pages. Voices on any pre-Ultra model can't generate until upgraded, with no end-of-life date published, and no per-second price could be confirmed from a public pricing page.\n\n## Before you call either\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### Resemble AI Text-to-Speech API\n\n1. Check the voice's model before synthesis, since voices on pre-Ultra models fail until upgraded.\n2. Keep each synchronous request under 2,000 characters.\n3. Decode `audio_content` from base64 on `/synthesize`, or call `/stream` for raw WAV chunks.\n4. Send `Authorization: Bearer`, since some doc examples leave out the prefix.\n5. Log the request ID with every failure, since the error body has no code.\n\n## Questions\n\n### Which is better for AI agents, MiniMax Speech (T2A) or Resemble AI Text-to-Speech API?\n\nMiniMax Speech (T2A) scores 55.1 (C) on agent readiness against Resemble AI Text-to-Speech API's 48.5 (D), and leads in 4 of 7 scored categories. Resemble AI Text-to-Speech API leads on security \u0026 auth.\n\n### Do MiniMax Speech (T2A) and Resemble AI Text-to-Speech API need an API key?\n\nBoth need an API key.\n\n### Can an agent call MiniMax Speech (T2A) and Resemble AI Text-to-Speech API without installing anything?\n\nNo hosted endpoint is listed for MiniMax Speech (T2A). Resemble AI Text-to-Speech API has a hosted endpoint at https://app.resemble.ai/api/v2.\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/minimax-speech-vs-resemble-ai-tts.json, and with the fewest tokens: https://www.anchorterminal.com/compare/minimax-speech-vs-resemble-ai-tts.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"minimax-speech\", \"b\": \"resemble-ai-tts\"}`. From a terminal: `anchor compare minimax-speech resemble-ai-tts`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/minimax-speech.json and https://www.anchorterminal.com/api/v1/tools/resemble-ai-tts.json\n\n## Other comparisons with MiniMax Speech (T2A) or Resemble AI Text-to-Speech API\n\n- [Amazon Polly vs MiniMax Speech (T2A)](https://www.anchorterminal.com/compare/amazon-polly-vs-minimax-speech.md)\n- [Amazon Polly vs Resemble AI Text-to-Speech API](https://www.anchorterminal.com/compare/amazon-polly-vs-resemble-ai-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- [Azure AI Speech text-to-speech vs Resemble AI Text-to-Speech API](https://www.anchorterminal.com/compare/azure-text-to-speech-vs-resemble-ai-tts.md)\n- [Cartesia Sonic TTS API + MCP vs MiniMax Speech (T2A)](https://www.anchorterminal.com/compare/cartesia-tts-vs-minimax-speech.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- [Deepgram Text-to-Speech (Aura-2, Flux TTS) vs MiniMax Speech (T2A)](https://www.anchorterminal.com/compare/deepgram-tts-vs-minimax-speech.md)\n- [Deepgram Text-to-Speech (Aura-2, Flux TTS) vs Resemble AI Text-to-Speech API](https://www.anchorterminal.com/compare/deepgram-tts-vs-resemble-ai-tts.md)\n- [ElevenLabs Text to Speech API + MCP vs MiniMax Speech (T2A)](https://www.anchorterminal.com/compare/elevenlabs-tts-vs-minimax-speech.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- [Fish Audio TTS API vs MiniMax Speech (T2A)](https://www.anchorterminal.com/compare/fish-audio-tts-vs-minimax-speech.md)\n- [Fish Audio TTS API vs Resemble AI Text-to-Speech API](https://www.anchorterminal.com/compare/fish-audio-tts-vs-resemble-ai-tts.md)\n- [Google Cloud Text-to-Speech vs MiniMax Speech (T2A)](https://www.anchorterminal.com/compare/google-cloud-tts-vs-minimax-speech.md)\n- [Google Cloud Text-to-Speech vs Resemble AI Text-to-Speech API](https://www.anchorterminal.com/compare/google-cloud-tts-vs-resemble-ai-tts.md)\n- [HeyGen Voice vs MiniMax Speech (T2A)](https://www.anchorterminal.com/compare/heygen-voice-vs-minimax-speech.md)\n- [HeyGen Voice vs Resemble AI Text-to-Speech API](https://www.anchorterminal.com/compare/heygen-voice-vs-resemble-ai-tts.md)\n- [Inworld Realtime TTS-2 vs MiniMax Speech (T2A)](https://www.anchorterminal.com/compare/inworld-tts-vs-minimax-speech.md)\n- [Inworld Realtime TTS-2 vs Resemble AI Text-to-Speech API](https://www.anchorterminal.com/compare/inworld-tts-vs-resemble-ai-tts.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 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- [Murf TTS API + MCP vs Resemble AI Text-to-Speech API](https://www.anchorterminal.com/compare/murf-tts-vs-resemble-ai-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- [Resemble AI Text-to-Speech API vs Rime TTS API + MCP](https://www.anchorterminal.com/compare/resemble-ai-tts-vs-rime-tts.md)\n- [Resemble AI Text-to-Speech API vs Smallest.ai Lightning TTS](https://www.anchorterminal.com/compare/resemble-ai-tts-vs-smallest-lightning-tts.md)\n- [Resemble AI Text-to-Speech API vs Soniox Text-to-Speech](https://www.anchorterminal.com/compare/resemble-ai-tts-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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Prices, MCP, x402, uptime and agent notes side by side.", "facts": [ "MiniMax Speech (T2A) C 55.1", "Resemble AI Text-to-Speech API D 48.5", "scores" ], "h1": "MiniMax Speech (T2A) vs Resemble AI Text-to-Speech API", "image": "https://www.anchorterminal.com/assets/og/default.png", "path": "/compare/minimax-speech-vs-resemble-ai-tts", "published": "2026-10-01", "section": "tools", "title": "MiniMax Speech vs Resemble AI Text-to-Speech for AI agents (2026)", "toc": null, "updated": "2026-11-07", "url": "https://www.anchorterminal.com/compare/minimax-speech-vs-resemble-ai-tts" }, "tokens": { "markdown": 4600, "slim": 2480 }, "version": 1 }