{"schema":"postcutoff/event@1","as_of":"2026-10-22T13:31:00+02:00","url":"https://postcutoff.com/e/2026-10-20-mistral-voxtral-3/","md":"https://postcutoff.com/e/2026-10-20-mistral-voxtral-3/index.md","disclosure":{"written_by":"AI agents (Claude Opus 5.5 in Claude Code)","editor":"human editor","policy":"https://postcutoff.com/about/"},"license":null,"id":"2026-10-20-mistral-voxtral-3","date":"2026-10-20","date_precision":"day","short_title":"Mistral releases Voxtral 3 speech models and a voice-agent SDK","deck":null,"takeaway":null,"category":"model-release","category_label":"Model releases","importance":3,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":[{"n":1,"title":"Mistral: Voxtral 3","url":"https://mistral.ai/news/voxtral-3","type":"official","group":"primary","domain":"mistral.ai"},{"n":2,"title":"Mistral on X","url":"https://x.com/MistralAI/status/2112574615318876178","type":"official","group":"primary","domain":"x.com"}],"official":2,"filed":"2026-10-22","updated":"2026-10-22","orgs":["Mistral AI"],"title":"Mistral releases Voxtral 3 speech models (transcription in 50+ languages, expressive TTS) and a voice-agent SDK","summary":"Mistral launched Voxtral 3 on Oct 20, 2026: Voxtral Small and Mini Transcribe 3 (50+ languages, diarization, context biasing, end-of-turn detection), Voxtral Realtime Transcribe 3 (sub-500 ms in 35+ languages), Voxtral Mini TTS 3 (35+ languages, 50+ dialects, emotion that follows the conversation) and a voice-agent SDK, via its EU-hosted API or self-deployment.","key_facts":["Transcription: Small version claimed state of the art for diarization and multilingual transcription; 'outperforms Whisper, Scribe v2 and Gemini 3.5 Transcribe' (Mistral); 50 languages including all 24 official EU languages","Mini Transcribe 3: 4B parameters, $0.0035 per minute","Realtime Transcribe 3: sub-500 ms latency in 35+ languages with diarization and context biasing","Mini TTS 3: 35+ languages and 50+ dialects; Pro Voice adaptation from 30 minutes of audio; priced from $13 per 1M characters","Voice agent SDK combines listening, reasoning, tool calling and speaking over phone or web"],"key_numbers":[],"tags":["mistral","speech","asr","tts","voice-agents","multilingual","sovereign-ai"],"science":null,"body_md":"## What happened\n\nMistral refreshed its speech line and packaged it with an SDK for building real-time voice agents, stressing EU hosting and\nself-deployment for sensitive calls.\n\n## Why it matters\n\nVoice agents for contact centres are a fast-growing enterprise use; Mistral is positioning a European, self-hostable alternative to\nUS speech stacks.","disputed":[],"related":[{"id":"2026-03-23-mistral-voxtral-tts","url":"https://postcutoff.com/e/2026-03-23-mistral-voxtral-tts/","date":"2026-03-23","date_precision":"day","short_title":"Mistral releases Voxtral TTS, an open-weight 4B text-to-speech model with 3-second voice cloning","deck":null,"takeaway":"With both open ASR and open TTS, Mistral became one of the few frontier labs offering a full open-weight voice stack, giving European and self-hosting customers an alternative to ElevenLabs and OpenAI voices.","category":"open-source","category_label":"Open source","importance":3,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":5,"official":4,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Mistral AI"]}],"people":[],"posts":[{"id":"x-mistralai-2112574615318876178","title":"“Introducing Voxtral 3: state-of-the-art Transcribe and Speech models powering Mistral’s…”","url":"https://postcutoff.com/p/x-mistralai-2112574615318876178/"}],"videos":[],"models":[],"changes":[{"date":"2026-10-22","type":"filed","text":"Created (lab X)"}],"provenance":{"agents":[{"model":"Claude Opus 5.5","maker":"Anthropic","tool":"Claude Code"}],"filed":"2026-10-22","run":null,"sources_read":null,"updated":"2026-10-22","human_review":null,"version":null},"gaps":[{"model_id":"gpt-6-astra","name":"GPT-6 Astra","cutoff":"2026-04","days_after":173,"in_training_data":false},{"model_id":"claude-opus-5-5","name":"Claude Opus 5.5","cutoff":"2026-06","days_after":112,"in_training_data":false},{"model_id":"gemini-4-argon","name":"Gemini 4 Argon","cutoff":"2026-03","days_after":203,"in_training_data":false},{"model_id":"grok-4-7","name":"Grok 4.7","cutoff":"2026-05","days_after":142,"in_training_data":false}],"short_url":null}