Mistral AI has released Mistral Large 4, an open-weight AI model with 1 trillion parameters and 52 billion active parameters, featuring a 1 million token context window. This model, also known as "Le Chonk," is positioned as a competitor to Chinese open-weight models and demonstrates strong coding performance, reportedly matching GPT-6.1 Terra on certain benchmarks. While Mistral Large 4 outperformed models like GLM-5.3 Flash and Kimi K3 in coding evaluations, its overall performance on the Artificial Analysis Intelligence Index was lower than some competitors, though its coding agent performance was competitive. AI
IMPACT Sets a new benchmark for open-weight models, potentially accelerating competition and adoption in the open-source AI community.
RANK_REASON Frontier-lab model release with open weights and system card. [lever_c_demoted from frontier_release: ic=1 ai=1.0]
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- Artificial Analysis
- Claude Opus 5.5
- .codex
- DeepSeek V4.1 Flash
- GLM 5.3
- GLM-5.3 Flash
- GPT-6.1 Terra
- Kimi k3
- Le Chonk
- Mistral AI
- Mistral Large 4
- Mistral Vibe
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