Post-Cutoff

Mistral AIVoxtral familyCurrentSpeech and audioReleased 23 Mar 2026

Voxtral TTS

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).

Model idvoxtral-tts-2603

Price$0.016 per 1K characters

Checked29 September 2026

Where it stands

63newer speech and audio models since its release

The 5 newest are listed. All speech and audio models

Before it from Mistral AI
Voxtral Transcribe 2 (Mini Transcribe V2 + Voxtral Realtime)4 Feb 2026
After it from Mistral AI
Voxtral TTS 3 (Voxtral Mini TTS 3)20 Oct 2026
Weights
Weights are public. Licence: CC BY-NC 4.0. See the licence for commercial terms.

How to call it

3 ways to use Voxtral TTS, with the model id each provider expects.

Providers, model ids, endpoints and docs for Voxtral TTS
ProviderModel idEndpointDocs
Mistral API voxtral-tts-2603 https://api.mistral.ai/v1/audio/speech docs.mistral.ai
Hugging Face mistralai/Voxtral-4B-TTS-2603 huggingface.co
Web app chat.mistral.ai

Pricing

Prices for Voxtral TTS
Per 1K characters$0.016

As published: “USD per 1K characters ($16 per 1M) on Mistral API”.

Source: docs.mistral.ai, checked 29 September 2026.

Specs

Input
Text and audio
Output
Audio
Context window
Not published
Max output
Not published
Open weights
Yes
Licence
CC BY-NC 4.0
Released
23 March 2026
Status
Current
Type
Speech and audio

What stands out

What its maker marketed at launch, and what people found later, each with its source.

  • 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: mistral.ai

  • 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: mistral.ai

Notes

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). Succeeded by Voxtral TTS 3 (voxtral-mini-tts-3-0, 2026-10-20, API-only): see voxtral-mini-tts-3.

Sources: https://mistral.ai/news/voxtral-tts · https://docs.mistral.ai/models/overview · https://docs.mistral.ai/models/model-cards/voxtral-tts-26-03