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Model comparison
Lyria 3.5 vs Seed-Music
Compare Lyria 3.5 and Seed-Music using the same provider-sourced music generation rubric. No mystery score and no invented benchmark ranking.
Facts checked September 4, 2026
Quick take
Lyria 3.5
Google's flagship music model for complete, high-fidelity songs with richer arrangements, expressive vocals, structured lyrics, and detailed creative control.
Best for
- Brand jingles and video backing tracks
- Complete vocal songs with custom structure
- Turning visual concepts into music
Watch out for
The API model is still preview and supports single-turn generation rather than iterative editing. Every output carries an inaudible SynthID watermark, and safety filters block requests for specific artist voices or copyrighted lyrics.
Seed-Music
ByteDance Seed's research music suite for expressive multilingual vocals, multimodal creative direction, audio continuation, style transfer, and fine-grained editing.
Best for
- Research into controllable vocal music
- Audio continuation and style-transfer exploration
- Fine-grained lyric and melody editing concepts
Watch out for
This is a research entry, not a production API recommendation. Availability, pricing, output formats, retention, and commercial-use terms are not published for a self-serve endpoint.
Compare the published facts
Lyria 3.5 vs Seed-Music
Values use each provider's own published units and limits. A blank means the provider did not publish a directly comparable value in the sources reviewed.
| Music generation | Lyria 3.5 | Seed-Music |
|---|---|---|
| Generation priceCurrent provider price for one song or clip, including the listed duration basis. | $0.08 / full song | Not published |
| Song lengthMaximum or typical generated-track duration documented by the provider. | Up to 3 minutes in Google apps; API is prompt-controlled | Not published |
| Audio outputPublished sample rate, channel format, and downloadable file types. | 44.1 kHz stereo · MP3 or WAV | Music audio; sample rate and file formats not published |
| Vocals & lyricsWhether the model creates vocals, instrumentals, generated lyrics, or user-supplied lyrics. | Vocals or instrumental; generated/custom lyrics | Expressive multilingual vocals; lyric and melody editing |
| Creative controlPrompt, image, tempo, key, structure, timeline, reference, or editing controls documented for the model. | Text, up to 10 images, BPM, key, structure, timestamps | Style text, audio, score, and voice references; note-level editing |
| Where to use itDirect API and notable first-party creative products included in this guide. | Gemini Interactions API, AI Studio, Gemini, Flow Music | Research page and demos; no public API listed |
How to choose
Compare the job, not the hype.
Start with the job you need to complete, then validate cost, access, and policy details on your exact provider route.
Lyria 3.5
Lyria 3.5 has no free API tier. Google marks paid Gemini API content as not used to improve its products; consumer-product data terms may differ from the paid developer API.
Seed-Music
The official material describes research and demonstrations rather than a public inference service, so it does not publish developer request-retention, training-use, or residency terms.
Frequently asked questions
Lyria 3.5 vs Seed-Music FAQ
What is the main difference between Lyria 3.5 and Seed-Music?
Lyria 3.5: Google's flagship music model for complete, high-fidelity songs with richer arrangements, expressive vocals, structured lyrics, and detailed creative control. Seed-Music: ByteDance Seed's research music suite for expressive multilingual vocals, multimodal creative direction, audio continuation, style transfer, and fine-grained editing.
Should I choose Lyria 3.5 or Seed-Music?
Consider Lyria 3.5 when your priority is Brand jingles and video backing tracks. Consider Seed-Music when your priority is Research into controllable vocal music. Test both with your own data and provider route before committing.
Is this Lyria 3.5 vs Seed-Music comparison based on Cody benchmarks?
No. This comparison aligns provider-published facts for the Music generation category. It does not claim a universal winner or combine incompatible third-party benchmark scores.