Mistral releases open weights for Large 4 "Le Chonk", a 1T MoE tuned for coding agents
Released Oct 29 on Hugging Face in FP8 and NVFP4 (plus GGUFs), the 1.05T-total, 49B-active multimodal model has 1M context and day-0 support in vLLM, SGLang, Transformers and llama.cpp, and is also in Mistral's Vibe Code agent. Its modified-MIT license allows commercial use except Model-as-a-Service hosting, and the API costs $0.70/M input and $2.10/M output (Hugging Face).