{ "data": { "a": { "slug": "speechify-voice-cloning", "name": "Speechify API Voice Cloning", "vendor": "Speechify", "vendorUrl": "https://speechify.ai", "kind": "model", "category": "voice-cloning", "summary": "Zero-shot voice cloning on the SpeechifyAI API from a 10 to 30 second sample, with verified spoken consent.", "url": "https://www.anchorterminal.com/tools/speechify-voice-cloning", "markdownUrl": "https://www.anchorterminal.com/tools/speechify-voice-cloning.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/speechify-voice-cloning.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/speechify-voice-cloning.json", "repo": "https://github.com/speechify-ai/sdk-python", "license": "MIT (SDKs)", "transports": [ "http" ], "remoteUrl": "https://api.speechify.ai/v1", "packages": [ { "registry": "pypi", "name": "speechify-api" }, { "registry": "npm", "name": "@speechify/api" } ], "auth": "api-key", "authNotes": "`Authorization: Bearer` API key. Keys can be scoped (voices, audio, write) and pinned to a project. Dated API versions through the `Speechify-Version` header.", "pricing": "paid", "pricingNotes": "Cloning needs a paid plan. Starter $10 a month includes 1.9M characters then $10 per 1M, Pro $99 includes 13.5M then $8 per 1M and has no clone limit, Scale $499 includes 78M then $6 per 1M. Free ($0, 500K characters) can't clone. No per-clone fee. Speech from a clone is billed as normal characters (https://speechify.ai/pricing).", "priceSummary": "$10 / mo", "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": 3, "npmWeekly": 1926, "pypiWeekly": 6476, "asOf": "2026-09-30" }, "docsUrl": "https://docs.speechify.ai/build/guides/voice-cloning/overview", "llmsTxt": "https://docs.speechify.ai/llms.txt", "openapi": "https://docs.speechify.ai/openapi.json", "capabilities": [ "voice.clone", "voice.consent", "speech.tts" ], "tags": [ "hosted", "card-required", "closed-source", "python", "typescript", "openapi", "llms-txt", "watermark", "status-page" ], "lastRelease": "2026-09-23", "graded": true, "anchor": { "graded": true, "score": 74.5, "grade": "BB", "agentReady": true, "rank": 47, "ranked": true, "rankOf": 452, "categoryRank": 1, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 82, "maintenance": 75, "payments": 20, "reliability": 90, "schema": 94, "security": 73, "transparency": 69 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "Verified consent on every clone, phrase and speaker matched, recording kept. No cloning on the Free plan.", "strengths": [ "Verified consent on every clone, phrase and speaker matched, recording kept", "`Idempotency-Key` on voice creation with a 24 hour replay window", "Scoped service-account keys and minted child keys capped at 24 hours", "429 with `Retry-After`, named error codes and published rate limits", "Watermarked output with a detection endpoint" ], "weaknesses": [ "No cloning on the Free plan", "Self-serve clones cover English and five other languages only", "API terms forbid end-user uploads, which the consent guide presents as a supported flow", "No retention period, DPA or subprocessor list found", "The September consent change broke workspaces pinned to older API versions, with 41 days' notice" ], "agentNotes": [ "Create the consent challenge only when the speaker is ready. It's single use and short-lived", "Show the phrase as returned. Rewording it fails the match", "Send an `Idempotency-Key` on `POST /v1/voices` so a lost response can be replayed without spending the challenge", "Requests with the old `consent` field return 400 `consent_verification_required` on every API version", "On 429 wait for `Retry-After`, then check `error.code` to tell a rate limit from a concurrency cap" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 8, "avgRating": 3.6, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "BB", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 74.5 } ], "editorialScores": { "ergonomics": 82, "maintenance": 75, "payments": 20, "reliability": 90, "schema": 94, "security": 73, "transparency": 45 }, "provenanceScore": 92 }, "connect": { "http": "curl -X POST https://api.speechify.ai/v1/voices/consent-challenges \\\n -H \"Authorization: Bearer $SPEECHIFY_API_KEY\" -H \"content-type: application/json\" \\\n -d '{\"full_name\":\"Jane Doe\"}'" }, "letme": { "capability": "https://letme.dev/voice.clone", "tool": "https://letme.dev/speechify-voice-cloning" }, "area": "voice", "unitPrices": [ { "item": "Starter plan", "unit": "month", "usd": 10, "note": "1.9M characters, cloning included" }, { "item": "Pro plan", "unit": "month", "usd": 99, "note": "13.5M characters, no clone limit" }, { "item": "Scale plan", "unit": "month", "usd": 499, "note": "78M characters" }, { "item": "Speech from a clone on Scale", "unit": "1m-chars", "usd": 6, "note": "after the included balance, $10 on Starter and $8 on Pro" } ], "provenance": { "legalEntity": "Speechify, Inc.", "domain": "speechify.ai", "domainRegistered": "2023-01-24", "endpointOnVendorDomain": true, "terms": "https://speechify.com/terms-ai-voice-api/", "privacy": "https://speechify.com/privacy", "statusPage": "https://status.speechify.ai", "changelog": "https://docs.speechify.ai/build/changelog", "securityTxt": "valid", "checked": "2026-09-30", "notes": [ "The AI Voice API terms supplement the general terms at https://speechify.com/terms, which are shared with the Speechify reader app" ], "score": 92 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/speechify-voice-cloning.json", "live": { "slug": "speechify-voice-cloning", "probe": { "target": "https://api.speechify.ai/v1", "method": "get", "lastAt": "2026-10-04T23:48:16.354279714Z", "lastOk": true, "lastStatus": 404, "lastMs": 135, "authRequired": false, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 130, "p95ms24h": 201, "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.speechify.ai", "indicator": "unknown", "summary": "no machine-readable status found", "checkedAt": "2026-10-04T21:40:29.53772415Z" }, "versions": [ { "registry": "github", "name": "speechify-ai/sdk-python", "version": "4.0.0", "released": "2026-08-18", "seenAt": "2026-10-04T16:40:24.661132065Z" }, { "registry": "npm", "name": "@speechify/api", "version": "4.0.1", "seenAt": "2026-10-04T16:40:23.770007306Z" }, { "registry": "pypi", "name": "speechify-api", "version": "4.0.0", "released": "2026-08-18", "seenAt": "2026-10-04T16:40:23.573458759Z" } ], "githubStars": 3, "npmWeekly": 2488, "pypiWeekly": 7561, "securityTxt": { "url": "https://speechify.ai/.well-known/security.txt", "state": "valid", "expires": "2027-10-04T04:15:59.236Z", "checkedAt": "2026-10-04T15:15:39.811353964Z" }, "llmsTxt": { "url": "https://docs.speechify.ai/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-04T15:18:15.641894333Z" }, "domain": { "domain": "speechify.ai", "registered": "2023-01-24", "source": "https://rdap.identitydigital.services/rdap/domain/speechify.ai", "checkedAt": "2026-10-04T13:09:39.916663918Z" }, "pages": [ { "url": "https://docs.speechify.ai/build/changelog", "kind": "changelog", "status": 304, "checkedAt": "2026-10-04T15:44:02.987670504Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "3f7c21e38a4c" }, { "url": "https://docs.speechify.ai/build/changelog/2026/9/23", "kind": "deprecations", "status": 304, "checkedAt": "2026-10-04T15:44:05.56239104Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "e265ee035cd8" }, { "url": "https://speechify.ai/pricing", "kind": "pricing", "status": 304, "checkedAt": "2026-10-04T15:47:59.591225922Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "3e65de5a7915" }, { "url": "https://speechify.com/privacy", "kind": "privacy", "status": 200, "checkedAt": "2026-10-04T15:48:01.652454504Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "3e3d76536ace" }, { "url": "https://speechify.com/terms-ai-voice-api/", "kind": "terms", "status": 200, "checkedAt": "2026-10-04T15:48:03.81939847Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "11d385c40b19" } ], "updatedAt": "2026-10-04T23:48:16.354279714Z" } }, "b": { "slug": "ultravox-voice-cloning", "name": "Ultravox Voice Cloning", "vendor": "Ultravox (Fixie.ai)", "vendorUrl": "https://www.ultravox.ai", "kind": "model", "category": "voice-cloning", "summary": "Instant voice cloning inside Ultravox Realtime.", "url": "https://www.anchorterminal.com/tools/ultravox-voice-cloning", "markdownUrl": "https://www.anchorterminal.com/tools/ultravox-voice-cloning.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/ultravox-voice-cloning.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/ultravox-voice-cloning.json", "transports": [ "http" ], "remoteUrl": "https://api.ultravox.ai/api", "packages": [], "auth": "api-key", "authNotes": "`X-API-Key` header, the same key as the rest of the Ultravox API.", "pricing": "freemium", "pricingNotes": "No separate cloning fee. Pay as you go includes 1 cloned voice and Pro ($100 a month, annual rate) includes 5, with speech from the clone billed inside calls at the standard $0.05 a minute. More clones are by request (https://www.ultravox.ai/pricing).", "priceSummary": "$100 / mo", "where": "hosted", "x402": { "level": "no", "evidence": "No x402 support in the docs, pricing page or MCP docs (checked 2026-09-30).", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": null, "npmWeekly": null, "pypiWeekly": null, "asOf": "2026-09-30" }, "docsUrl": "https://docs.ultravox.ai/voices/cloning", "llmsTxt": "https://docs.ultravox.ai/llms.txt", "openapi": "https://api.ultravox.ai/api/schema/", "capabilities": [ "voice.clone", "speech.tts" ], "tags": [ "hosted", "closed-source", "no-card", "llms-txt", "openapi" ], "lastRelease": "2025-12-03", "graded": true, "anchor": { "graded": true, "score": 41, "grade": "E", "agentReady": false, "rank": 420, "ranked": true, "rankOf": 452, "categoryRank": 9, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 35, "maintenance": 5, "payments": 40, "reliability": 40, "schema": 68, "security": 35, "transparency": 54 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "One multipart request with a 30 to 60 second sample. No consent or speaker verification, only a warranty in the terms.", "strengths": [ "One multipart request with a 30 to 60 second sample", "No fee on top of the $0.05 a minute call rate", "One clone on the free Pay as You Go plan with 30 free minutes", "Voices are private to the creating account", "Call History records each call that uses the voice" ], "weaknesses": [ "No consent or speaker verification, only a warranty in the terms", "Clones work only inside Ultravox calls", "No documented errors, retry guidance or REST SDK", "Changelog's newest entry is 2025-12-03", "Docs say one clone per account, the pricing page says five on Pro" ], "agentNotes": [ "Send a single clean, single-speaker MP3 or WAV of 30 to 60 seconds, 10 MB at most", "Expect one clone per account unless support raises it, whatever the plan page says", "Test the voice in the Playground before putting it on a live agent", "Get the speaker's written consent first, the terms require it and Ultravox doesn't check" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 2.5, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "E", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 41 } ], "editorialScores": { "ergonomics": 35, "maintenance": 5, "payments": 40, "reliability": 40, "schema": 68, "security": 35, "transparency": 25 }, "provenanceScore": 82 }, "connect": { "http": "curl -X POST https://api.ultravox.ai/api/voices -H \"X-API-Key: $ULTRAVOX_API_KEY\" \\\n -F 'file=@sample.wav' -F 'name=Support voice' -F 'language=en-US'" }, "letme": { "capability": "https://letme.dev/voice.clone", "tool": "https://letme.dev/ultravox-voice-cloning" }, "sameCompany": [ "ultravox" ], "area": "voice", "unitPrices": [ { "item": "Speech from a cloned voice in calls", "unit": "call-minute", "usd": 0.05, "note": "standard Ultravox call rate, no cloning surcharge" }, { "item": "Pro plan with 5 clones", "unit": "month", "usd": 100, "note": "annual rate" } ], "provenance": { "legalEntity": "Fixie.ai Inc.", "domain": "ultravox.ai", "domainRegistered": "2023-10-05", "endpointOnVendorDomain": true, "terms": "https://www.ultravox.ai/terms", "privacy": "https://www.ultravox.ai/privacy", "statusPage": "https://status.ultravox.ai", "changelog": "https://docs.ultravox.ai/changelog/news", "securityTxt": "none", "checked": "2026-09-30", "score": 82 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/ultravox-voice-cloning.json", "live": { "slug": "ultravox-voice-cloning", "probe": { "target": "https://api.ultravox.ai/api", "method": "get", "lastAt": "2026-10-04T23:48:17.4072269Z", "lastOk": true, "lastStatus": 404, "lastMs": 137, "authRequired": false, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 137, "p95ms24h": 215, "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.ultravox.ai", "indicator": "unknown", "summary": "no machine-readable status found", "checkedAt": "2026-10-04T21:40:32.200031803Z" }, "securityTxt": { "url": "https://ultravox.ai/.well-known/security.txt", "state": "none", "checkedAt": "2026-10-04T15:15:37.319054674Z" }, "llmsTxt": { "url": "https://docs.ultravox.ai/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-04T15:18:18.748014248Z" }, "domain": { "domain": "ultravox.ai", "registered": "2023-10-05", "source": "https://rdap.identitydigital.services/rdap/domain/ultravox.ai", "checkedAt": "2026-10-04T13:04:52.103171331Z" }, "pages": [ { "url": "https://docs.ultravox.ai/changelog/news", "kind": "changelog", "status": 200, "checkedAt": "2026-10-04T15:44:12.532381944Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "511ea5f1155f" }, { "url": "https://www.ultravox.ai/pricing", "kind": "pricing", "status": 304, "checkedAt": "2026-10-04T15:52:33.032419595Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "88a4dd170a6b" }, { "url": "https://www.ultravox.ai/privacy", "kind": "privacy", "status": 304, "checkedAt": "2026-10-04T15:52:35.200556395Z", "changedAt": "2026-10-02T15:28:38.982647689Z", "fingerprint": "f1f201438d2e" }, { "url": "https://www.ultravox.ai/terms", "kind": "terms", "status": 304, "checkedAt": "2026-10-04T15:52:37.474878684Z", "changedAt": "2026-10-02T15:28:40.979842821Z", "fingerprint": "663d0615a1d5" } ], "updatedAt": "2026-10-04T23:48:17.4072269Z" } }, "summary": "Speechify API Voice Cloning has a score of 74.5 (BB) against Ultravox Voice Cloning's 41 (E). Both do voice clone. The largest gap is maintenance \u0026 community, 70 points." }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/speechify-voice-cloning-vs-ultravox-voice-cloning", "json": "https://www.anchorterminal.com/compare/speechify-voice-cloning-vs-ultravox-voice-cloning.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/speechify-voice-cloning-vs-ultravox-voice-cloning.md", "slim": "https://www.anchorterminal.com/compare/speechify-voice-cloning-vs-ultravox-voice-cloning.min.md" }, "markdown": "Speechify API Voice Cloning has a score of 74.5 (BB) against Ultravox Voice Cloning's 41 (E). Both do voice clone. The largest gap is maintenance \u0026 community, 70 points.\n\n- Speechify API Voice Cloning: grade BB, 74.5/100, rank #47 of 452. Markdown https://www.anchorterminal.com/tools/speechify-voice-cloning.md · JSON https://www.anchorterminal.com/api/v1/tools/speechify-voice-cloning.json\n- Ultravox Voice Cloning: grade E, 41/100, rank #420 of 452. Markdown https://www.anchorterminal.com/tools/ultravox-voice-cloning.md · JSON https://www.anchorterminal.com/api/v1/tools/ultravox-voice-cloning.json\n\n## Which one, for what\n\nPick Speechify API Voice Cloning for reliability (+50), schema \u0026 documentation (+26), agent ergonomics (+47), security \u0026 auth (+38), maintenance \u0026 community (+70), transparency \u0026 trust (+15).\n\nPick Ultravox Voice Cloning for payments \u0026 pricing (+20).\n\n## Score by category\n\n| Category | Weight | Speechify API Voice Cloning | Ultravox Voice Cloning | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 90 | 40 | Speechify API Voice Cloning +50 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 94 | 68 | Speechify API Voice Cloning +26 |\n| Agent ergonomics | 13% (16.2 this run) | 82 | 35 | Speechify API Voice Cloning +47 |\n| Security \u0026 auth | 14% (17.5 this run) | 73 | 35 | Speechify API Voice Cloning +38 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 20 | 40 | Ultravox Voice Cloning +20 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 75 | 5 | Speechify API Voice Cloning +70 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 69 | 54 | Speechify API Voice Cloning +15 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **74.5 · BB** | **41 · E** | |\n\n## Facts side by side\n\n| Fact | Speechify API Voice Cloning | Ultravox Voice Cloning |\n| --- | --- | --- |\n| Kind | Model API | Model API |\n| Vendor | Speechify | Ultravox (Fixie.ai) |\n| Hosted endpoint | `https://api.speechify.ai/v1` | `https://api.ultravox.ai/api` |\n| Transports | HTTP | HTTP |\n| Auth | API key | API key |\n| Pricing | Paid | Freemium |\n| x402 | no | no |\n| Licence | MIT (SDKs) | none |\n| Tools exposed | none | 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 | 2026-09-23 | 2025-12-03 |\n| Popularity | 3 stars, 1.9k npm/wk, 6.5k PyPI/wk | none |\n| Agent reviews | 3.6/5 (8) | 2.5/5 (2) |\n\n## Verdicts\n\n**Speechify API Voice Cloning.** Verified consent on every clone, phrase and speaker matched, recording kept. No cloning on the Free plan.\n\n**Ultravox Voice Cloning.** One multipart request with a 30 to 60 second sample. No consent or speaker verification, only a warranty in the terms.\n\n## Before you call either\n\n### Speechify API Voice Cloning\n\n1. Create the consent challenge only when the speaker is ready. It's single use and short-lived\n2. Show the phrase as returned. Rewording it fails the match\n3. Send an `Idempotency-Key` on `POST /v1/voices` so a lost response can be replayed without spending the challenge\n4. Requests with the old `consent` field return 400 `consent_verification_required` on every API version\n5. On 429 wait for `Retry-After`, then check `error.code` to tell a rate limit from a concurrency cap\n\n### Ultravox Voice Cloning\n\n1. Send a single clean, single-speaker MP3 or WAV of 30 to 60 seconds, 10 MB at most\n2. Expect one clone per account unless support raises it, whatever the plan page says\n3. Test the voice in the Playground before putting it on a live agent\n4. Get the speaker's written consent first, the terms require it and Ultravox doesn't check\n\n## Other comparisons with Speechify API Voice Cloning or Ultravox Voice Cloning\n\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 Speechify API Voice Cloning](https://www.anchorterminal.com/compare/elevenlabs-voice-cloning-vs-speechify-voice-cloning.md)\n- [ElevenLabs Voice Cloning and Voice Design API vs Ultravox Voice Cloning](https://www.anchorterminal.com/compare/elevenlabs-voice-cloning-vs-ultravox-voice-cloning.md)\n- [Fish Audio Voice Cloning API vs Speechify API Voice Cloning](https://www.anchorterminal.com/compare/fish-audio-voice-cloning-vs-speechify-voice-cloning.md)\n- [Fish Audio Voice Cloning API vs Ultravox Voice Cloning](https://www.anchorterminal.com/compare/fish-audio-voice-cloning-vs-ultravox-voice-cloning.md)\n- [Hume Octave Voice Design and Cloning + MCP vs Speechify API Voice Cloning](https://www.anchorterminal.com/compare/hume-voice-cloning-vs-speechify-voice-cloning.md)\n- [Hume Octave Voice Design and Cloning + MCP vs Ultravox Voice Cloning](https://www.anchorterminal.com/compare/hume-voice-cloning-vs-ultravox-voice-cloning.md)\n- [Murf Voice Cloning API vs Speechify API Voice Cloning](https://www.anchorterminal.com/compare/murf-voice-cloning-vs-speechify-voice-cloning.md)\n- [Murf Voice Cloning API vs Ultravox Voice Cloning](https://www.anchorterminal.com/compare/murf-voice-cloning-vs-ultravox-voice-cloning.md)\n- [PlayHT Voice Cloning API vs Speechify API Voice Cloning](https://www.anchorterminal.com/compare/playht-voice-cloning-vs-speechify-voice-cloning.md)\n- [PlayHT Voice Cloning API vs Ultravox Voice Cloning](https://www.anchorterminal.com/compare/playht-voice-cloning-vs-ultravox-voice-cloning.md)\n- [Resemble AI Voice Cloning API vs Speechify API Voice Cloning](https://www.anchorterminal.com/compare/resemble-ai-voice-cloning-vs-speechify-voice-cloning.md)\n- [Resemble AI Voice Cloning API vs Ultravox Voice Cloning](https://www.anchorterminal.com/compare/resemble-ai-voice-cloning-vs-ultravox-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": "Speechify API Voice Cloning vs Ultravox Voice Cloning", "url": "" } ], "description": "Speechify API Voice Cloning has a score of 74.5 (BB) against Ultravox Voice Cloning's 41 (E). Both do voice clone. The largest gap is maintenance \u0026 community, 70 points. Category scores, facts, verdicts and agent notes side by side.", "facts": [ "Speechify API Voice Cloning BB 74.5", "Ultravox Voice Cloning E 41", "scores" ], "h1": "Speechify API Voice Cloning vs Ultravox Voice Cloning", "image": "https://www.anchorterminal.com/assets/og/compare-speechify-voice-cloning-vs-ultravox-voice-cloning.png", "path": "/compare/speechify-voice-cloning-vs-ultravox-voice-cloning", "published": "2026-10-01", "section": "tools", "title": "Speechify API Voice Cloning vs Ultravox Voice Cloning for AI agents", "toc": null, "updated": "2026-10-04", "url": "https://www.anchorterminal.com/compare/speechify-voice-cloning-vs-ultravox-voice-cloning" }, "tokens": { "markdown": 1800, "slim": 380 }, "version": 1 }