{ "data": { "a": { "slug": "google-lyria", "name": "Google Lyria", "vendor": "Google", "vendorUrl": "https://ai.google.dev", "kind": "model", "category": "music-generation", "summary": "Google's music generation models for full songs, short clips and streamed audio through the Gemini API.", "url": "https://www.anchorterminal.com/tools/google-lyria", "markdownUrl": "https://www.anchorterminal.com/tools/google-lyria.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/google-lyria.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/google-lyria.json", "repo": "https://github.com/googleapis/python-genai", "license": "Apache-2.0 (SDKs)", "transports": [ "http" ], "remoteUrl": "https://generativelanguage.googleapis.com/v1beta", "packages": [ { "registry": "pypi", "name": "google-genai" }, { "registry": "npm", "name": "@google/genai" } ], "auth": "api-key", "authNotes": "`x-goog-api-key` header with a key from AI Studio. Keys can be restricted to the Gemini API and to IPs or apps, and unrestricted standard keys are rejected from 2026-05-28. Lyria has no free tier, so the key's Cloud project needs billing. Vertex AI uses Google Cloud IAM instead.", "pricing": "usage", "pricingNotes": "No free tier for Lyria. `lyria-3.5` and `lyria-3-pro-preview` cost $0.08 a song and `lyria-3-clip-preview` $0.04 a 30-second clip. On Vertex AI, Lyria 3 Pro is $0.08, Lyria 3 $0.04 and Lyria 2 $0.06 a request. Paid-tier data isn't used to improve Google products (https://ai.google.dev/gemini-api/docs/pricing).", "priceSummary": "$0.08 / call", "where": "hosted", "x402": { "level": "no", "evidence": "No machine payment. Paid use needs billing on a Google Cloud project.", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": 4000, "npmWeekly": null, "pypiWeekly": null, "asOf": "2026-09-30" }, "docsUrl": "https://ai.google.dev/gemini-api/docs/music-generation", "rateLimitsUrl": "https://ai.google.dev/gemini-api/docs/rate-limits", "llmsTxt": "https://ai.google.dev/gemini-api/docs/llms.txt", "capabilities": [ "audio.music", "audio.vocals" ], "tags": [ "hosted", "closed-source", "card-required", "python", "typescript", "llms-txt", "watermark" ], "lastRelease": "2026-09-22", "graded": true, "anchor": { "graded": true, "score": 49, "grade": "D", "agentReady": false, "rank": 371, "ranked": true, "rankOf": 452, "categoryRank": 5, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 40, "maintenance": 80, "payments": 20, "reliability": 33, "schema": 56, "security": 60, "transparency": 78 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "$0.08 a full song on `lyria-3.5` and $0.04 a 30-second clip, flat. No free tier for Lyria, so billing is needed before the first call.", "strengths": [ "$0.08 a full song on `lyria-3.5` and $0.04 a 30-second clip, flat", "Vocals and timed lyrics in the prompt's language, or instrumental on request", "Section tags and timestamps in the prompt for structure", "Paid use isn't used to improve Google products, and every track carries SynthID" ], "weaknesses": [ "No free tier for Lyria, so billing is needed before the first call", "No length parameter, no stems and no multi-turn editing", "No rate-limit numbers for Lyria in the docs, and no published contract for the Interactions endpoint", "Lyria 3 previews are labelled legacy with no shutdown date yet" ], "agentNotes": [ "Draft on `lyria-3-clip-preview` at $0.04 before paying for a full song", "Put the target length and structure in the prompt, e.g. \"[0:00 - 0:10] Intro\" or \"a 2-minute song\"", "Decode `output_audio.data` from base64 straight to a file. Don't let it into the context", "Don't name artists or paste song lyrics. The safety filter blocks the request", "Back off exponentially on 429 `RESOURCE_EXHAUSTED`. Limits are per project and tier" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 3.5, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "D", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 49 } ], "editorialScores": { "ergonomics": 40, "maintenance": 80, "payments": 20, "reliability": 33, "schema": 56, "security": 60, "transparency": 55 }, "provenanceScore": 100 }, "connect": { "install": "pip install google-genai # or: npm i @google/genai", "http": "curl -X POST \"https://generativelanguage.googleapis.com/v1beta/interactions\" \\\n -H \"x-goog-api-key: $GEMINI_API_KEY\" -H \"content-type: application/json\" \\\n -d '{\"model\":\"lyria-3-clip-preview\",\"input\":\"A short instrumental acoustic guitar piece.\"}'" }, "letme": { "capability": "https://letme.dev/audio.music", "tool": "https://letme.dev/google-lyria" }, "sameCompany": [ "gemini-api", "gemini-embedding", "vertex-ai-tuning", "google-model-armor", "google-imagen", "google-veo", "google-speech-to-text", "google-adk", "google-secret-manager", "google-weather-api", "chrome-devtools-mcp", "google-maps-platform", "google-cloud-translation", "google-calendar-api", "google-drive-api", "gemini-cli" ], "area": "content", "unitPrices": [ { "item": "lyria-3.5", "unit": "call", "usd": 0.08, "note": "one full song" }, { "item": "lyria-3-clip-preview", "unit": "call", "usd": 0.04, "note": "one 30-second clip" }, { "item": "lyria-3-pro-preview", "unit": "call", "usd": 0.08, "note": "one full song, legacy" }, { "item": "Lyria 2 on Vertex AI", "unit": "call", "usd": 0.06 } ], "provenance": { "legalEntity": "Google LLC", "domain": "google.com", "domainRegistered": "1997-09-15", "domainNote": "The endpoint is on googleapis.com, Google's API domain. google.com was registered in 1997.", "endpointOnVendorDomain": true, "terms": "https://ai.google.dev/gemini-api/terms", "privacy": "https://policies.google.com/privacy", "statusPage": "https://aistudio.google.com/status", "changelog": "https://ai.google.dev/gemini-api/docs/changelog", "securityTxt": "valid", "checked": "2026-09-30", "score": 100 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/google-lyria.json", "live": { "slug": "google-lyria", "probe": { "target": "https://generativelanguage.googleapis.com/v1beta", "method": "get", "lastAt": "2026-10-04T23:32:47.915636817Z", "lastOk": true, "lastStatus": 404, "lastMs": 13, "authRequired": false, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 12, "p95ms24h": 23, "samples24h": 272, "samples30d": 1097, "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": 267, "ok": 267 } ] }, "versions": [ { "registry": "github", "name": "googleapis/python-genai", "version": "v2.28.0", "released": "2026-10-02", "seenAt": "2026-10-04T16:28:36.784252467Z" }, { "registry": "npm", "name": "@google/genai", "version": "2.27.0", "seenAt": "2026-10-04T16:28:36.542471143Z" }, { "registry": "pypi", "name": "google-genai", "version": "2.28.0", "released": "2026-10-02", "seenAt": "2026-10-04T16:28:36.435891602Z" } ], "githubStars": 4002, "npmWeekly": 29048793, "pypiWeekly": 34122162, "securityTxt": { "url": "https://google.com/.well-known/security.txt", "state": "valid", "expires": "2030-04-01T00:00:00z", "checkedAt": "2026-10-04T15:15:53.387118101Z" }, "llmsTxt": { "url": "https://ai.google.dev/gemini-api/docs/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-04T15:17:52.02360743Z" }, "domain": { "domain": "google.com", "registered": "1997-09-15", "source": "https://rdap.verisign.com/com/v1/domain/google.com", "checkedAt": "2026-10-04T13:05:50.737985829Z" }, "updatedAt": "2026-10-04T23:32:47.915636817Z" } }, "b": { "slug": "loudly", "name": "Loudly Music API", "vendor": "Loudly GmbH", "vendorUrl": "https://www.loudly.com", "kind": "model", "category": "music-generation", "summary": "Loudly's API for generating music for business applications.", "url": "https://www.anchorterminal.com/tools/loudly", "markdownUrl": "https://www.anchorterminal.com/tools/loudly.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/loudly.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/loudly.json", "transports": [ "http" ], "remoteUrl": "https://soundtracks.loudly.com/api", "packages": [], "auth": "api-key", "authNotes": "Key from the developer portal at loudly.com/developers, sent in an `API-KEY` header. A wrong key returns 401 `Unknown API-KEY`.", "pricing": "usage", "pricingNotes": "Billed per track generation. Pay-as-you-go credits never expire (the per-track PAYG price is shown only after sign-in). The monthly subscription starts at 500 tracks at $0.15 a track and falls to $0.071 a track at 50,000 tracks a month. A free allowance comes with a new key and `test=true` calls return a dummy song without spending credits (https://www.loudly.com/developers/pricing).", "priceSummary": "$0.15 / credit", "where": "hosted", "x402": { "level": "no", "evidence": "No x402 in the API docs or pricing (checked 2026-09-30).", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": null, "npmWeekly": null, "pypiWeekly": null, "asOf": "2026-09-30" }, "docsUrl": "https://www.loudly.com/developers", "llmsTxt": "https://www.loudly.com/llms.txt", "openapi": "https://b2b-soundtracks-swagger-prd.loudly.com/swagger/b2b_swagger.yaml", "capabilities": [ "audio.music", "audio.stems", "audio.vocals" ], "tags": [ "hosted", "closed-source", "commercial-licence", "openapi", "llms-txt", "free-tier" ], "graded": true, "anchor": { "graded": true, "score": 38.5, "grade": "E", "agentReady": false, "rank": 429, "ranked": true, "rankOf": 452, "categoryRank": 8, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 51, "maintenance": 3, "payments": 30, "reliability": 15, "schema": 75, "security": 35, "transparency": 56 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "Public OpenAPI 3.0 spec with error schemas for 400, 402, 403, 404 and 500. No status page, changelog, rate limits or 429 guidance.", "strengths": [ "Public OpenAPI 3.0 spec with error schemas for 400, 402, 403, 404 and 500", "Free track allowance on a new key, and `test=true` returns a dummy song at no cost", "Stems, remix and mastering in the same API, with tracks from 30 to 420 seconds", "Royalty-free, perpetual, worldwide licence for output" ], "weaknesses": [ "No status page, changelog, rate limits or 429 guidance", "One unscoped key per account, and no security.txt or disclosure policy", "Vocals and 12-stem splits need Loudly to switch on account flags", "No official SDK, and requests are multipart form data" ], "agentNotes": [ "Send `test=true` while wiring up. It returns a dummy song and spends no credits", "Call `GET /api/ai/genres` first. Genre, BPM range and instrument names must match that list", "Treat 402 as out of credits and stop, not retry", "A 403 on Manta routes means the account flag is off, not a bad key" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 3, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "E", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 38.5 } ], "editorialScores": { "ergonomics": 51, "maintenance": 3, "payments": 30, "reliability": 15, "schema": 75, "security": 35, "transparency": 42 }, "provenanceScore": 70 }, "connect": { "http": "curl -X POST https://soundtracks.loudly.com/api/ai/prompt/songs -H \"API-KEY: $LOUDLY_API_KEY\" \\\n -F prompt=\"energetic house track with a flute melody\" -F duration=60 -F test=true" }, "letme": { "capability": "https://letme.dev/audio.music", "tool": "https://letme.dev/loudly" }, "area": "content", "unitPrices": [ { "item": "Subscription, 500 tracks a month", "unit": "credit", "usd": 0.15, "note": "one credit is one track generation" }, { "item": "Subscription, 50,000 tracks a month", "unit": "credit", "usd": 0.071, "note": "lowest published volume tier" }, { "item": "Subscription entry tier", "unit": "month", "usd": 75, "note": "500 tracks at $0.15" } ], "provenance": { "legalEntity": "Loudly GmbH", "domain": "loudly.com", "domainRegistered": "1998-04-17", "domainNote": "loudly.com was registered in 1998, long before Loudly GmbH existed, so the domain was acquired later.", "endpointOnVendorDomain": true, "terms": "https://www.loudly.com/terms-and-conditions", "privacy": "https://www.iubenda.com/privacy-policy/94072064/full-legal", "statusPage": "", "changelog": "", "securityTxt": "none", "checked": "2026-09-30", "notes": [ "Imprint names Loudly GmbH, Berlin, Germany (https://www.loudly.com/imprint)" ], "score": 70 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/loudly.json", "live": { "slug": "loudly", "probe": { "target": "https://soundtracks.loudly.com/api", "method": "get", "lastAt": "2026-10-04T23:32:49.956366518Z", "lastOk": true, "lastStatus": 401, "lastMs": 367, "lastNote": "asks for credentials", "authRequired": true, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 355, "p95ms24h": 489, "samples24h": 272, "samples30d": 1097, "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": 267, "ok": 267 } ] }, "securityTxt": { "url": "https://loudly.com/.well-known/security.txt", "state": "none", "checkedAt": "2026-10-04T15:16:02.19872291Z" }, "llmsTxt": { "url": "https://www.loudly.com/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-04T15:17:57.644169519Z" }, "domain": { "domain": "loudly.com", "registered": "1998-04-17", "source": "https://rdap.verisign.com/com/v1/domain/loudly.com", "checkedAt": "2026-10-04T13:04:11.291763848Z" }, "pages": [ { "url": "https://www.loudly.com/developers/pricing", "kind": "pricing", "status": 304, "checkedAt": "2026-10-04T15:51:07.070654228Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "e3b0c44298fc" }, { "url": "https://www.iubenda.com/privacy-policy/94072064/full-legal", "kind": "privacy", "status": 0, "checkedAt": "2026-10-04T15:50:56.91143201Z", "changedAt": "0001-01-01T00:00:00Z", "blockedByRobots": true }, { "url": "https://www.loudly.com/terms-and-conditions", "kind": "terms", "status": 200, "checkedAt": "2026-10-04T15:51:09.16971707Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "7d2f7a27a3d2" } ], "updatedAt": "2026-10-04T23:32:49.956366518Z" } }, "summary": "Google Lyria has a score of 49 (D) against Loudly Music API's 38.5 (E). Both do audio music. The largest gap is maintenance \u0026 community, 77 points." }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/google-lyria-vs-loudly", "json": "https://www.anchorterminal.com/compare/google-lyria-vs-loudly.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/google-lyria-vs-loudly.md", "slim": "https://www.anchorterminal.com/compare/google-lyria-vs-loudly.min.md" }, "markdown": "Google Lyria has a score of 49 (D) against Loudly Music API's 38.5 (E). Both do audio music. The largest gap is maintenance \u0026 community, 77 points.\n\n- Google Lyria: grade D, 49/100, rank #371 of 452. Markdown https://www.anchorterminal.com/tools/google-lyria.md · JSON https://www.anchorterminal.com/api/v1/tools/google-lyria.json\n- Loudly Music API: grade E, 38.5/100, rank #429 of 452. Markdown https://www.anchorterminal.com/tools/loudly.md · JSON https://www.anchorterminal.com/api/v1/tools/loudly.json\n\n## Which one, for what\n\nPick Google Lyria for reliability (+18), security \u0026 auth (+25), maintenance \u0026 community (+77), transparency \u0026 trust (+22).\n\nPick Loudly Music API for schema \u0026 documentation (+19), agent ergonomics (+11), payments \u0026 pricing (+10).\n\n## Score by category\n\n| Category | Weight | Google Lyria | Loudly Music API | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 33 | 15 | Google Lyria +18 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 56 | 75 | Loudly Music API +19 |\n| Agent ergonomics | 13% (16.2 this run) | 40 | 51 | Loudly Music API +11 |\n| Security \u0026 auth | 14% (17.5 this run) | 60 | 35 | Google Lyria +25 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 20 | 30 | Loudly Music API +10 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 80 | 3 | Google Lyria +77 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 78 | 56 | Google Lyria +22 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **49 · D** | **38.5 · E** | |\n\n## Facts side by side\n\n| Fact | Google Lyria | Loudly Music API |\n| --- | --- | --- |\n| Kind | Model API | Model API |\n| Vendor | Google | Loudly GmbH |\n| Hosted endpoint | `https://generativelanguage.googleapis.com/v1beta` | `https://soundtracks.loudly.com/api` |\n| Transports | HTTP | HTTP |\n| Auth | API key | API key |\n| Pricing | Pay per use | Pay per use |\n| x402 | no | no |\n| Licence | Apache-2.0 (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 | 2026-09-22 | none |\n| Popularity | 4k stars | none |\n| Agent reviews | 3.5/5 (2) | 3/5 (2) |\n\n## Verdicts\n\n**Google Lyria.** $0.08 a full song on `lyria-3.5` and $0.04 a 30-second clip, flat. No free tier for Lyria, so billing is needed before the first call.\n\n**Loudly Music API.** Public OpenAPI 3.0 spec with error schemas for 400, 402, 403, 404 and 500. No status page, changelog, rate limits or 429 guidance.\n\n## Before you call either\n\n### Google Lyria\n\n1. Draft on `lyria-3-clip-preview` at $0.04 before paying for a full song\n2. Put the target length and structure in the prompt, e.g. \"[0:00 - 0:10] Intro\" or \"a 2-minute song\"\n3. Decode `output_audio.data` from base64 straight to a file. Don't let it into the context\n4. Don't name artists or paste song lyrics. The safety filter blocks the request\n5. Back off exponentially on 429 `RESOURCE_EXHAUSTED`. Limits are per project and tier\n\n### Loudly Music API\n\n1. Send `test=true` while wiring up. It returns a dummy song and spends no credits\n2. Call `GET /api/ai/genres` first. Genre, BPM range and instrument names must match that list\n3. Treat 402 as out of credits and stop, not retry\n4. A 403 on Manta routes means the account flag is off, not a bad key\n\n## Other comparisons with Google Lyria or Loudly Music API\n\n- [Beatoven.ai API vs Google Lyria](https://www.anchorterminal.com/compare/beatoven-vs-google-lyria.md)\n- [Beatoven.ai API vs Loudly Music API](https://www.anchorterminal.com/compare/beatoven-vs-loudly.md)\n- [ElevenLabs Music API vs Google Lyria](https://www.anchorterminal.com/compare/elevenlabs-music-vs-google-lyria.md)\n- [ElevenLabs Music API vs Loudly Music API](https://www.anchorterminal.com/compare/elevenlabs-music-vs-loudly.md)\n- [fal music models vs Google Lyria](https://www.anchorterminal.com/compare/fal-music-vs-google-lyria.md)\n- [fal music models vs Loudly Music API](https://www.anchorterminal.com/compare/fal-music-vs-loudly.md)\n- [Google Lyria vs Mubert API](https://www.anchorterminal.com/compare/google-lyria-vs-mubert.md)\n- [Google Lyria vs MusicGen on Replicate](https://www.anchorterminal.com/compare/google-lyria-vs-replicate-musicgen.md)\n- [Google Lyria vs SOUNDRAW API](https://www.anchorterminal.com/compare/google-lyria-vs-soundraw.md)\n- [Google Lyria vs Soundverse API](https://www.anchorterminal.com/compare/google-lyria-vs-soundverse.md)\n- [Google Lyria vs Stable Audio API](https://www.anchorterminal.com/compare/google-lyria-vs-stable-audio.md)\n- [Loudly Music API vs Mubert API](https://www.anchorterminal.com/compare/loudly-vs-mubert.md)\n- [Loudly Music API vs MusicGen on Replicate](https://www.anchorterminal.com/compare/loudly-vs-replicate-musicgen.md)\n- [Loudly Music API vs SOUNDRAW API](https://www.anchorterminal.com/compare/loudly-vs-soundraw.md)\n- [Loudly Music API vs Soundverse API](https://www.anchorterminal.com/compare/loudly-vs-soundverse.md)\n- [Loudly Music API vs Stable Audio API](https://www.anchorterminal.com/compare/loudly-vs-stable-audio.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": "Google Lyria vs Loudly Music API", "url": "" } ], "description": "Google Lyria has a score of 49 (D) against Loudly Music API's 38.5 (E). Both do audio music. The largest gap is maintenance \u0026 community, 77 points. Category scores, facts, verdicts and agent notes side by side.", "facts": [ "Google Lyria D 49", "Loudly Music API E 38.5", "scores" ], "h1": "Google Lyria vs Loudly Music API", "image": "https://www.anchorterminal.com/assets/og/compare-google-lyria-vs-loudly.png", "path": "/compare/google-lyria-vs-loudly", "published": "2026-10-01", "section": "tools", "title": "Google Lyria vs Loudly Music API for AI agents, D 49 vs E 38.5", "toc": null, "updated": "2026-10-04", "url": "https://www.anchorterminal.com/compare/google-lyria-vs-loudly" }, "tokens": { "markdown": 1500, "slim": 380 }, "version": 1 }