Mistral AICartesiaAudio matchupSpeech output
Voxtral Mini TTSvs.Sonic 3.6
Which model is better?
Sonic 3.6 does better in independent tests, while Voxtral Mini TTS is available with open weights.
Pick Voxtral Mini TTS for
Pick Sonic 3.6 for
Shared tests
Independent evaluators and leaderboards only, the newest shared snapshot per evaluator. With 95 % ranges a lead counts when they do not overlap; for hit rates, when it holds in a 95 % test. Without any uncertainty figure at most “slightly ahead”.
Artificial Analysis
Sonic 3.6 aheadSonic 3.6 is clearly ahead in 2 of 2 subtests, Voxtral Mini TTS in none.
Artificial Analysis Provider Voice Arena preference
95 % ranges 1,077 to 1,101 and 1,280 to 1,306, as of November 3, 2026
Artificial Analysis Controlled Voice Arena Elo
95 % ranges 994 to 1,018 and 1,135 to 1,159, as of November 3, 2026
Source · latest November 3, 2026
All data side by side
Prices are verbatim from the provider, because audio models bill per minute, character or token.
| Voxtral Mini TTS | Sonic 3.6 | |
|---|---|---|
| Task | Speech output | Speech output |
| Developer | Mistral AI | Cartesia |
| Status | Active | Active |
| Weights | open | proprietary |
| Runs locally | yes | no |
| License | CC BY-NC 4.0 | n/a |
| Price | $16 per 1M characters | n/a |
| Popularity (out of 100) | 29 | 39 |