Mistral plans to release the model weights for Mistral Large 4 on October 27, 2026, after completing safety testing and red-teaming with vetted partners

From the articleMistral Large 4 is Europe's trillion-parameter answer to US models that refuse security workAlso in Mistral’s new Le Chonk model brings AI cybersecurity to your business – and you control it, Mistral Says Its New AI Model ‘Le Chonk’ Is the Best Open-Weight Offering Outside of China, Mistral’s new 1T model aims to leapfrog closed and open rivals