Mistral AI launches public preview of Mistral Large 4 (Le Chonk)

Mistral released a public API preview of Mistral Large 4, a 1-trillion-parameter natively multimodal Mixture-of-Experts model with 49 billion active parameters, trained from scratch on 3,800 NVIDIA Grace Blackwell GPUs in European data centers. Weights are scheduled for release by end of October. The company positions it as competitive with leading open models globally and leading among open-weight models from the US or Europe, with particular strength claimed in cybersecurity and agentic coding.