Mistral Large 4 ships via API, open weights due end of October
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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.
Mistral Large 4 is callable via API now, and are promised for end of October. Engineers needing an EU-deployable frontier-class model have a new option to evaluate, though the claims come from Mistral.
- multimodal — A model that works with more than text — reading images, audio, or video, and sometimes generating them too.
- open weights — A model whose trained parameters are published for anyone to download and run — unlike API-only models you can access but never possess.
- benchmark — A standard public test set for comparing AI models — the shared scoreboards behind every "model X beats model Y" claim.
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