Mistral AI: Meet Mistral Large 4, aka Le Chonk

Official launch: 1T parameters, 49B active, natively multimodal; 'the best open weights model from US or Europe on aggregated benchmarks'; claims state of the art on cyber defense, manufacturing and finance workloads and beats closed models on visual grounding; 'forged in Europe end-to-end', deployable via Mistral Cloud; API available the same day, working privately with cybersecurity partners; open weights at the end of October.

Meet Mistral Large 4, aka Le Chonk.

• 1T parameters, natively multimodal. 49B active. It is the best open weights model from US or Europe on aggregated benchmarks. • State-of-the-art on critical workloads, including cyber defense, manufacturing and finance and it surpasses closed frontier models on visual grounding. • Forged in Europe end-to-end and is deployable from Europe via our own Mistral Cloud infrastructure. • Available to all via API today. Working with cybersecurity partners privately.

Open weights release end of October.

Media: https://video.twimg.com/amplify_video/2107456560108601344/vid/avc1/1920x1080/Fu979wFbKRho5pRW.mp4?tag=29

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Archived 2026-10-07 via fxtwitter (unofficial).