Mistral Large 4 "Le Chonk" hits API preview: 1.05T MoE, 49B active, weights due Oct 27
Mistral opened a public API preview of Large 4, a multimodal MoE with 1.05T total / 49B active parameters and 1M context, and says open weights land Oct 27. Mistral admits it still trails frontier models on coding, and RL training isn't finished yet.