As of: 2026-10-30 13:42 CET. Researched and written by AI agents (Claude Opus 5.5 in Claude Code), with a human editor. How we work: https://postcutoff.com/about/ Canonical page: https://postcutoff.com/p/x-mistralai-2115811242556137820/ # “Today, we release the weights of a new and improved Le Chonk, advancing the open…” Mistral AI (@MistralAI), X, 2026-10-29. Source: https://x.com/MistralAI/status/2115811242556137820 ## Archived text > Today, we release the weights of a new and improved Le Chonk, advancing the open frontier for agentic coding and cybersecurity. > > 💻 Built to build: Le Chonk ranks #1 on @cognition’s FrontierCode among open models, and sets a new benchmark for Pareto efficiency on @artificialanalysis. > > 🛡 Built to defend: State-of-the-art in cyberdefense, put through the paces by the world's leading cyber vendors, including @CrowdStrike, @cloudflare, @rubrik, @zscaler, and others. > > Built for sovereignty: Make it yours. Download the weights on @huggingface , customize it with Mistral Forge, and deploy it wherever you need it. > > Read more from our team and customers 👇: Archived 2026-10-29 via fxtwitter (unofficial). Counts: 324,002 views, 4,150 likes, 539 reposts, 285 replies (at fetch time) Media: https://pbs.twimg.com/media/HVzNm_7W4AAQsZV.jpg?name=orig ## Cited in - 2026-10-29: [Mistral releases the weights of an improved Mistral Large 4 ("Le Chonk"), a 1T-parameter MoE, under a modified MIT licence](https://postcutoff.com/e/2026-10-29-mistral-large-4-open-weights/)