6 publishers · first seen Thu, 29 Oct 2026 14:00 UTC · updated Thu, 29 Oct 2026 19:31 UTC
French AI company Mistral has released the weights for its trillion-parameter open source AI model Mistral Large 4 (ML4), enabling businesses and governments to download and deploy the system independently. The model, nicknamed “Le Chonk,” is said to achieve state-of-the-art performance with significantly fewer tokens per task than the Chinese model GLM-5.3, and outranks other open models in agentic coding tasks on Artificial Analysis’ Coding Agent Index. Mistral emphasizes that ML4 offers sovereign cyber defense capabilities, allowing organizations to use frontier AI for threat detection and response without reliance on external providers.
Orange Cyberdefense, a major European cybersecurity provider with €1.3 billion in 2025 revenue, has partnered with Mistral AI to integrate a cybersecurity variant of ML4 into its services. The collaboration will use European-based computing capacity and initially focus on vulnerability testing and faster breach investigations for corporate and public-sector clients, with a gradual rollout planned.
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