GoogleMistral AIAudio matchupSpeech output
Gemini 3.1 Flash TTSvs.Voxtral Mini TTS 3
Which model is better?
Gemini 3.1 Flash TTS and Voxtral Mini TTS 3 perform about the same in independent tests.
Independent testsArtificial Analysis, DesignArena
Gemini 3.1 Flash TTS0 of 2
Voxtral Mini TTS 30 of 2
Popularityout of 100
Gemini 3.1 Flash TTSahead44
Voxtral Mini TTS 30
Weights and access
Gemini 3.1 Flash TTSproprietary
Voxtral Mini TTS 3n/a
Priceverbatim from the provider
Gemini 3.1 Flash TTSn/a
Voxtral Mini TTS 3USD 13 per 1 million characters; cached rate USD 1.30 per 1 million characters
Pick Gemini 3.1 Flash TTS for
more popular
Pick Voxtral Mini TTS 3 for
No clear edge
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
levelArtificial Analysis Provider Voice Arena preference
Gemini 3.1 Flash TTS1,213
Voxtral Mini TTS 31,218
95 % ranges 1,202 to 1,224 and 1,204 to 1,232, as of November 3, 2026
Source · latest November 3, 2026
DesignArena
levelDesignArena Audio Realism Elo
Gemini 3.1 Flash TTS1,025
Voxtral Mini TTS 31,019
as of October 28, 2026
Source · latest October 28, 2026
All data side by side
Prices are verbatim from the provider, because audio models bill per minute, character or token.
| Gemini 3.1 Flash TTS | Voxtral Mini TTS 3 | |
|---|---|---|
| Task | Speech output | Speech output |
| Developer | Mistral AI | |
| Status | Preview | Public preview |
| Released | n/a | October 20, 2026 |
| Weights | proprietary | n/a |
| Runs locally | no | no |
| Price | n/a | USD 13 per 1 million characters; cached rate USD 1.30 per 1 million characters |
| Popularity (out of 100) | 44 | 0 |
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