Voxtral TTS
Mistral's first TTS model. 9 languages: English, French, German, Spanish, Dutch, Portuguese, Italian, Hindi, Arabic. Weights are CC BY-NC 4.0 (non-commercial); commercial use via API. Docs model-card page shows id voxtral-tts-2603 on the overview (a 'voxtral-mini-tts-2603' alias also appears on the card).
- Input
- text, audio
- Output
- audio
- License
- cc-by-nc-4.0
- Pricing
- per 1k characters: $0.016 (USD per 1K characters ($16 per 1M) on Mistral API) source
- Verified
- 2026-09-29
How to call it
| Provider | Model id | Endpoint / URL | Docs |
|---|---|---|---|
| Mistral API | voxtral-tts-2603 | https://api.mistral.ai/v1/audio/speech | docs |
| Hugging Face | mistralai/Voxtral-4B-TTS-2603 | huggingface.co/mistralai/Voxtral-4B-TTS-2603 | — |
| Web app | — | chat.mistral.ai | — |
Notable capabilities (2)
- Zero-shot voice cloning from ~3 s: Clones a voice (accent, fillers, rhythm) from a few seconds of reference audio without a transcript; 68.4% human-preference win rate vs ElevenLabs Flash v2.5 on multilingual cloning (Mistral-reported). source
- Open-weight 4B TTS with low latency: 3.4B decoder + 390M flow-matching acoustic transformer + 300M codec; ~70 ms model latency (~90 ms time-to-first-audio via API), RTF ~9.7x, up to 2 min native generation. source
Call POST https://api.mistral.ai/v1/audio/speech with model: voxtral-tts-2603 (see https://docs.mistral.ai/capabilities/audio/text_to_speech for the request schema and voice options).
Sources: https://mistral.ai/news/voxtral-tts · https://docs.mistral.ai/models/overview · https://docs.mistral.ai/models/model-cards/voxtral-tts-26-03
Timeline entry
- Mistral releases Voxtral TTS, an open-weight 4B text-to-speech model with 3-second voice cloning ★★★
On 2026-03-23 Mistral launched Voxtral TTS, its first text-to-speech model: a 4B-parameter model with open weights (CC BY-NC 4.0) that clones a voice from ~3 seconds of audio in 9 languages and, per Mistral, beats ElevenLabs Flash v2.5 in 68.4% of human preference tests, priced at $0.016 per 1K…
Other Mistral AI models
Mistral OCR 4.1 · Mistral Medium 3.5 · Mistral Small 4 · Voxtral Transcribe 2 (Mini Transcribe V2 + Voxtral Realtime) · Mistral Large 3 · Codestral 25.08 · Voxtral Small · Robostral Navigate