Mistral · Claude · GPT · AI Agent · France · Decrypt
Mistral AI Drops 'Le Chonk': A Large AI Model Named After a Cat Meme
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Paris-based Mistral AI launched Mistral Large 4 on Tuesday, an AI model with 1 trillion parameters.
Key facts
- Mistral raised a €3 billion ($3.37 billion) Series D —a funding round that sells shares to investors—in September at a valuation above €21 billion ($23.6 billion), led by Samsung
- Le Chunk costs $1.36 per million input tokens and $4.18 per million output tokens—the chunks of text, roughly three-quarters of a word each, that AI companies bill
- In a blind human evaluation of coding quality by Surge AI, Mistral Large 4 ranked second of five models with 3.74 out of 5, behind Claude Opus 5's 4.22
- Datacurve's own leaderboard has GPT-6 Astra and Claude Opus 5 at 74
Summary
Mistral launched Large 4 on Oct. 6, a 1-trillion-parameter model that activates 49 billion parameters per query and costs $1.36 per million input tokens and $4.18 per million output tokens. The nickname "Le Chonk" follows the "Le Chaton Fat" meme from June, and Mistral says it will release the model's weights by the end of October. On Finance Agent v2, the launch chart shows Large 4 at 54.7, ahead of GPT-6 Astra at 53.5 but behind Claude Opus 5.5 at 58.6. “ is at the frontier of open models, and by far the strongest open-weight model from the US or Europe,” Mistral AI’s Chief scientist Guillaume Lample, wrote on X.