AI Research Atlas

Voxtral TTS

Mistral AI · 23 March 2026

Voxtral TTS is a 4B open-weights text-to-speech model with 3-second voice cloning, 9 languages and about 70ms model latency.

Mistral's first speech synthesis model. Zero-shot cross-lingual voice adaptation, 9.7x real-time factor, priced at $0.016 per 1,000 characters. Weights are CC BY-NC 4.0, so non-commercial. Mistral reports human evals favoring it over ElevenLabs Flash v2.5.

Date
Monday, 23 March 2026
Lab
Mistral AI
Kind
open-weights
Access
open weights (restricted license)
Price
$0.016 per 1,000 characters, Mar 2026

Figures

MeasureValueMeasured by
Model latency~70ms
typical inputs; real-time factor ~9.7x
company
Voice-customization preference68.4% win rate
human eval vs competitor per Mistral
company

Win rate comes from Mistral's own human evaluation.

Sources

  1. mistral.ai/news/voxtral-tts

This record was checked against its sources on 6 October 2026. How we check

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