Mistral: Voxtral voice agents could answer your phones

we introduce Voxtral 3: a new family of state-of-the-art speech-to-text and text-to-speech models, alongside a voice agent SDK

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brings listening, thinking, tool calling, and speaking into a single real-time streaming pipeline.

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prices from vendor pricing pages; generated 2026-10-20.

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Voxtral 3 is available today through the Mistral API, hosted through our European, US, and global endpoints.

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Agents can retrieve information, interact with business systems, and complete tasks during live conversations over phone or web.

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Accurate transcription across 50+ languages. The speech-to-text model, Voxtral Small Transcribe 3, is state-of-the-art in multilingual transcription

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Voxtral Transcribe 3 represents a significant milestone across transcription, diarization (who spoke when) and context biasing capabilities.

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identifying who said what (diarization), using keyphrases to improve its accuracy (context-biasing).

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It detects when someone has finished speaking so agents can respond without delay (end-of-turn detection).

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key terms and free-form text can be given to bias the transcription and improve recall on technical terms

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It outperforms Whisper, Scribe v2 and Gemini 3.5 Transcribe.

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The supported list of languages is expanded to 50, including 24 official EU languages and many low-resource Asian and Indic languages.

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It achieves high-quality transcriptions at sub-500ms latency in over 35 languages, including with diarization and context biasing.

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Voxtral Mini TTS 3.0, available in batch and realtime, achieves state-of-the-art expressiveness and instruction following for 35+ languages and 50+ dialects.

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Speech sounds local in 35 languages and over 50 dialects.

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new voices that adjust their emotion, pace, and emphasis based on conversational context

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Voxtral TTS natively interprets a prompt’s text context to determine the emotion and voice style

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At $13 per 1M characters, Voxtral Speech 3 costs less to run than comparable models from OpenAI TTS-1, Deepgram, ElevenLabs Flash and Gemini Flash.

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Voxtral’s Pro Voice adaptation is able to reproduce a speaker’s distinctive character, emotional range, and speaking style across languages, using just 30 minutes of audio.

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How about the Emirates flight at 21,000pm on 10 over 10, returning 10 over 25 at 22,000pm for £1,881?

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How about the Emirates flight at 21pm on October 10th, returning October 25th at 22pm for £1,881?

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Voxtral 3 introduces a voice agent SDK, built on LiveKit, that runs speech in, reasoning, and speech out as one streaming pipeline.

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During a call, the agent can verify a caller's identity, check a bill, or book an appointment, using function calling, web search, and retrieval over your own systems.

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It answers and places calls over SIP, runs in browsers and apps over WebRTC, and connects to the telephony, IVR, and contact-center software you already use.

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No stage waits for the one before it, so each turn completes in under one second, and the agent stops talking when the caller cuts in.

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Available today through Mistral's EU-hosted API or for self-deployment on your own infrastructure, it gives organizations control over where audio is processed, how data is handled, and whether conversations are retained.

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Keep sensitive conversations within your environment and control whether any audio is retained.

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Hi, my doctor gave me a referral letter in French. Can you book it for me?

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Sure. What's the reference number?

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Your doctor is asking a dermatologist, Dr Martin, to see you. The next slot is Tuesday at 5:45 pm. Shall I book it?

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Done. Bring the letter, your carte Vitale, and I'll text you the details in English.

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