Pyyan / Compare / Chatterbox vs Simba 3.2 vs Cartesia Sonic 3
Chatterbox vs Simba 3.2 vs Cartesia Sonic 3
3 of 5Voice & Audio · verified 13 Aug 2026
| Specification | Chatterbox | Simba 3.2 | Cartesia Sonic 3 |
|---|---|---|---|
| Summary | Best open-source cloning. | Leads the Speech Arena. | Fastest commercial TTS. |
| Arena Elo | — | 1231 | — |
| Price ($/M chars) | — | $10 | — |
| Clone from | 5s | 10s | 3s |
| Open weights | Yes | No | No |
| Category | Voice & Audio | Voice & Audio | Voice & Audio |
| Official | Resemble AI ↗ | Speechify ↗ | Cartesia ↗ |
Highlighted rows are where these differ.
Chatterbox
- Clones from ~5 seconds
- 17 languages
- Wins blind tests against ElevenLabs
Best for free cloning.
Simba 3.2
- Ten times cheaper than Eleven v3
- Zero-shot cloning from ~10s
Best for quality per dollar.
Cartesia Sonic 3
- 40–90ms time to first audio
- Clones from 3 seconds
- Built for turn-taking
Best for phone agents.