Fish AudioMistral AIAudio matchupSpeech output
Fish Audio S2 Provs.Voxtral Mini TTS 3
Which model is better?
Voxtral Mini TTS 3 does better in independent tests, while Fish Audio S2 Pro is available with open weights.
Pick Fish Audio S2 Pro for
Pick Voxtral Mini TTS 3 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
Voxtral Mini TTS 3 aheadVoxtral Mini TTS 3 is clearly ahead in 2 of 2 subtests, Fish Audio S2 Pro in none.
Artificial Analysis Provider Voice Arena preference
95 % ranges 1,097 to 1,119 and 1,204 to 1,232, as of November 3, 2026
Artificial Analysis Controlled Voice Arena Elo
95 % ranges 996 to 1,018 and 1,054 to 1,084, 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.
| Fish Audio S2 Pro | Voxtral Mini TTS 3 | |
|---|---|---|
| Task | Speech output | Speech output |
| Developer | Fish Audio | Mistral AI |
| Status | Open weights | Public preview |
| Released | March 9, 2026 | October 20, 2026 |
| Weights | open | n/a |
| Runs locally | yes | no |
| Price | n/a | USD 13 per 1 million characters; cached rate USD 1.30 per 1 million characters |
| Popularity (out of 100) | 51 | 0 |