Mistral Ships 'Le Chonk': A 1-Trillion-Parameter Open-Weight Model Trained in Europe

Mistral released Large 4 in research preview — one trillion parameters, 49B active, natively multimodal, trained in its own European datacenters — with open weights promised for October 27.

Mistral entered the frontier open-weight race on Wednesday with Large 4, nicknamed "Le Chonk." According to @ivke2006, the model is a one-trillion-parameter mixture-of-experts with 49 billion active parameters, trained entirely in Mistral's own European datacenters, with weights scheduled to land on October 27. @TraffAlex confirmed the release as a research public preview and added that the model is natively multimodal.

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