Welcome Le Chonk: Mistral Large 4 on Hugging Face
AI summary Mistral's new Mistral Large 4, nicknamed Le Chonk, is a Mixture-of-Experts model that takes in text and images and replies in text, with about 1T parameters in total, 49B of them active, and a 1M-token context. On the Artificial Analysis Cyber Index it hit 82% on a test of reproducing and patching vulnerabilities, and it cracked 93% of 40 Cybench challenges. Its weights come with the Mistral Ecosystem Open-Weight License, which is derived from MIT and limits model-as-a-service use, while vLLM, transformers and llama.cpp support it from day one. The Artificial Analysis Intelligence index placed it fifth among open-weight models as of October 29, 2026.