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Mistral Voxtral TTS Mistral · text-to-speech (TTS) API

Listener Elo 1,091 ±12 on Artificial Analysis (read October 22, 2026); latency not measured.

Benchmark summary: No speed tier: Coval, the source of the tiers, does not measure this model.

Mistral Voxtral TTS is an open-weights text-to-speech (TTS) API from Mistral, measured by one independent benchmark, Artificial Analysis.

Speed tier

Not measured by Coval

No speed tier: Coval, the source of the tiers, does not measure this model.

Median time to first audioCoval, 30 days
—
P95 time to first audio (slow turns)Coval, 30 days
—
Naturalness EloSpeko
not rated
Listener Elo (95% interval)Artificial Analysis
1,091 ±12
Numbers and dates (0 to 1)Speko
not rated
List price per 1M charactersall sources
$16
  • Customer service (Artificial Analysis): 33rd, Elo 1148 ±28

Data read October 22, 2026. No combined score: methodology

Gradium TTS vs Mistral Voxtral TTS Fastest TTS APIs, by speed tier

Speed

Neither Coval nor Speko measures Mistral Voxtral TTS's latency, so it has no speed tier and does not appear in the speed tiers.

Voice quality

In the Artificial Analysis Speech Arena it holds 1,091 ±12 Elo (95% interval), 45th highest of the 98 models Artificial Analysis rates; scores whose intervals overlap are a tie. In its Customer Service category, Artificial Analysis places it 33rd, at 1,148 Elo.

Numbers and dates

Speko has not scored its pronunciation of numbers and dates.

Price

Artificial Analysis lists $16. List prices, as each source prints them.

Languages tested

Tested in Spanish, German, French, Portuguese and Hindi by Artificial Analysis or Speko. A language missing here was not tested, which does not mean it is unsupported.

Benchmark measurements

Artificial Analysis Speech Arena

Customer service rank
33
Customer service Elo
1,148
Customer service Elo 95% interval (±)
28
Speech Arena Elo (blind listener preference)
1,091
Elo 95% interval (±)
12
Arena rank
45
Arena rank range
40-49
Arena appearances
2,412
Voices tested
3
Price per 1M characters
16 USD
Released
Mar 2026
Artificial Analysis model
Voxtral TTS
Artificial Analysis leaderboard
artificialanalysis.ai

Price (all sources)

Lowest list price per 1M characters
16 USD
Highest list price per 1M characters
16 USD

Not collected

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