Mistral Large 4 becomes top open-weight model built outside China
Mistral released the open weights of Large 4, nicknamed Le Chonk, which it presents as the best open-weight model developed outside China.
By GennnAi··1 min read
The roughly one-trillion-parameter model launched as an API preview on 6 October; its weights came out on 29 October under a modified MIT license. Mistral claims the lead among open models for coding, scoring about level with GLM-5.3 while using 47% fewer tokens per task. Figures are company-reported, and the model still trails the best Chinese open models. It also ranks in the global top five on the Artificial Analysis Cyber Index.
Source: VentureBeat, published on October 29, 2026.