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