Mistral Large 4 revealed: 1T-parameter multimodal MoE with 49B active, open weights this month

_AndrewZhao · x · 2026-10-06

Mistral officially unveiled Mistral Large 4, aka "Le Chonk": a 1-trillion-parameter natively multimodal MoE with 49B active parameters per token. It claims best open-weights model from US or Europe, SOTA on cyber defense, manufacturing and finance workloads, and beats closed frontier models on visual grounding. Available via API today; open weights (Mistral-Large-4.0-1T05-A52B) drop end of October, deployable from Europe via Mistral Cloud.

Related event: Mistral Unveils Mistral Large 4, a 1T-Parameter Open Multimodal Model(42 posts)→

Original post →

More from Models

Models channel →