Cartesia Sonic
7.8#39 in text-to-speech toolsFrom $5 a monthFree planWebAPI
VisitCartesia Sonic vs Voicebox
What both publish
| Fact | Cartesia Sonic | Voicebox |
|---|---|---|
| API access | Yes | Yes |
| Commercial use | Yes | Yes |
| Free plan | Yes | Yes |
| Languages | Sonic supports 44 languages. | 23 |
| Product | Sonic is a text-to-speech model for real-time voice applications. | Voicebox is a free, open-source local AI voice studio for voice cloning, speech generation, dictation, and agent voice output. |
Cartesia Sonic plans
- Pro$5 a month
- Startup$49 a month
- Scale$299 a month
- FreeFree
- EnterprisePriced on request
Voicebox plans
- LocalFree
- Cloud$12 a year
- Studio$48 a year
Pick Cartesia Sonic if…
You want what its maker publishes above — check its page for the details.
Pick Voicebox if…
Voicebox may suit people creating voice content, dictating into apps, or adding voice output to agents. Its local operation and API may appeal to users who want offline workflows or client integrations.