Music · Head-to-head
Chatterbox vs Lyria 3.5
Chatterbox (freemium, AI Score 8.8/10) vs Lyria 3.5 (freemium, AI Score 8.4/10). Side-by-side pricing, features, pros and cons, and which to pick.
The verdict
Pick Chatterbox if…
- →overall capability matters more than price (AI Score 8.8 vs 8.4)
- →you want our editor's pick for this category
- →your primary use case is developers and teams who want to self-host an open-source, zero-shot voice cloning and text-to-speech model instead of a closed api.
- →you need: media, development, content-creation
Side-by-side specs
| Spec | Chatterbox | Lyria 3.5 |
|---|---|---|
| Category | Music | Music |
| Pricing model | freemium | freemium |
| Headline pricing | Free MIT open-source model + paid Resemble AI hosted platform | Free tier via Google Flow Music; paid access through Google AI subscriptions — check website for current pricing |
| Free tier | The complete Chatterbox model is free under the MIT license — self-host it, use it commercially, no usage caps. You only pay if you opt into Resemble AI's hosted platform. | Yes — Google Flow Music includes free access to Lyria generation, with usage limits set by Google's AI plan tiers rather than a separate music quota. |
| AI Score | 8.8/10 | 8.4/10 |
| Best for | Developers and teams who want to self-host an open-source, zero-shot voice cloning and text-to-speech model instead of a closed API. | — |
| Editor's pick | ✓ Yes | — |
| Use cases | media development content-creation | — |
| Date added | 2026-06-27 | 2026-07-30 |
Pros and cons
Chatterbox
Music · freemium
Pros
- ✓Fully open-source under MIT — commercial use, self-hosting, no royalties or per-character caps
- ✓Zero-shot voice cloning from a short sample, no per-voice training step
- ✓Emotion and intensity controls go beyond flat, monotone TTS
- ✓Imperceptible watermark on every output keeps synthetic audio detectable
- ✓Massive adoption (~25k GitHub stars, 1M+ HF downloads) means active maintenance and integrations
Cons
- ×Self-hosting needs your own GPU and technical setup — there's no polished consumer app for the free model
- ×Quality and naturalness vary across the 23+ languages; English is the strongest
- ×Hosted-platform pricing is separate and not transparently listed alongside the open model
- ×Open voice cloning raises real misuse risk; the watermark mitigates but doesn't prevent it
Lyria 3.5
Music · freemium
Pros
- ✓Free to try inside Google Flow Music — no separate subscription to evaluate the model
- ✓SynthID watermarking gives verifiable provenance, which matters for commercial and platform use
- ✓Sits alongside Google's video tooling, so scoring generated footage happens in one place
- ✓Backed by DeepMind's research pipeline, with a track record of steady Lyria iteration rather than one-off releases
Cons
- ×Not a standalone product — you get it through Flow Music or an API, not a dedicated music app with a library and sharing
- ×No published spec sheet or independent benchmark at launch, so quality claims over Lyria 3 are Google's word for now
- ×Suno and Udio have far more mature consumer workflows for song iteration, stems and community sharing
- ×Commercial-usage rights depend on which Google surface and plan you're on, which is less clear-cut than dedicated music tools' licensing
Related comparisons
Updated 2026-07-30. Spec data sourced from official product pages and tracked in our public directory at /tools.