Mistral open-weights 1T-parameter Mistral Large 4 'Le Chonk', tops FrontierCode
MistralAI · x · 2026-10-29
Mistral has released the weights of Mistral Large 4 (codename Le Chonk), its 1-trillion-parameter natively multimodal flagship, after scaling RL to drive major gains in agentic coding and defensive cybersecurity — with improvements still accelerating.
Key points:
- Ranks #1 among open models on Cognition's FrontierCode and sets a new Pareto-efficiency benchmark on Artificial Analysis
- State-of-the-art in cyberdefense, validated by leading cyber vendors
- Three reasoning modes for cost-performance trade-offs
- Fully open-weight, European-trained, with self-hosted deployment options
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