Pyyan / Compare / Eleven v3 vs Cartesia Sonic 3
Eleven v3 vs Cartesia Sonic 3
2 of 5Voice & Audio · verified 13 Aug 2026
Eleven v3ElevenLabscurrent
Cartesia Sonic 3Cartesiacurrent| Specification | Eleven v3 | Cartesia Sonic 3 |
|---|---|---|
| Summary | Broadest ecosystem in audio. | Fastest commercial TTS. |
| Arena Elo | 1178 | — |
| Price ($/M chars) | $100 | — |
| Clone from | — | 3s |
| Open weights | No | No |
| Category | Voice & Audio | Voice & Audio |
| Official | ElevenLabs ↗ | Cartesia ↗ |
Highlighted rows are where these differ.
Eleven v3
- Dubbing, music, SFX and voice changer
- 10,000+ community voice library
- Ten times the price of Simba
Best for one-vendor stacks.
Cartesia Sonic 3
- 40–90ms time to first audio
- Clones from 3 seconds
- Built for turn-taking
Best for phone agents.