Mistral releases Voxtral 3 speech models and a voice agent SDK
Sorted AI22 OctMistral has released Voxtral 3, a family of speech-to-text and text-to-speech models, plus a voice agent SDK built on LiveKit that listens, reasons, calls tools and replies in one streaming pipeline; Mistral says each turn completes in under one second. Transcription covers 50 languages, including the 24 official EU languages and many low-resource Asian and Indic languages, with speaker labels and the option to supply key terms to improve accuracy, and Mistral says its Small model outperforms Whisper, Scribe v2 and Gemini 3.5 Transcribe. Mistral lists transcription from $0.0035 a minute, speech generation at $13 per million characters, and the voice agent API with Mistral Small 4 at $0.04 a minute. It is available through Mistral's API on European, US and global endpoints, or for self-deployment.
Why it matters: If you run a support line or take bookings by phone, a voice agent pilot at about $0.04 a minute is cheap to try; test transcription on your own recorded calls in the languages your customers speak before trusting the benchmark claims.
Mistral AI ↗AI-assisted, reviewed by Sorted AI
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