Mistral’s New ‘Le Chonk’ AI Model Is Big, Open and Built for Agents - CNET

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New AI models are coming, and they don’t stop coming.

On the heels of the recent rollout of Claude Opus 5.5 and OpenAI’s GPT-6 Sol and GPT-6 Luna, Mistral AI is launching a new flagship model, Mistral Large 4, with a public preview available on Tuesday.

A French company known for its open-source and open-weight LLMs, Mistral AI reports that the Large 4 model “ranks among the best open-weight models of the world” on aggregated metrics and also outperforms European and US models, while also catching up to Chinese competitors, who have been dominating the open-weight sector.

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I talked with Mistral Chief Scientist Guillaume Lample and VP of Science Pierre Stock about the new model – affectionately known as “le Chonk” – its specialized capabilities and extreme compute efficiency. Here’s what to know.

Key capabilities of Mistral Large 4

Lample and Stock said that Mistral Large...

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