Mistral Large 4
A 1.05 trillion parameter model from Mistral AI, in public preview since 6 October 2026. This page lists what is confirmed so far, and where each fact comes from.
Confirmed
| Developer | Mistral AISource: Mistral's announcement |
|---|---|
| Nickname | le ChonkSource: Mistral's announcement |
| Status | Public preview since 6 October 2026Source: Mistral's announcement |
| Total parameters | 1.05 trillionMistral's announcement rounds this to 1 trillion.Source: Mistral's model card |
| Active parameters per token | 52 billionMistral's announcement says 49 billion. This site uses the model card's figure.Source: Mistral's model card |
| Architecture | Granular mixture of expertsSource: Mistral's model card |
| Input | Text and images, with a 1.6 billion parameter vision encoderSource: Mistral's model card |
| Context window | 1 million tokensSource: Mistral's model card |
| API model ID | mistral-large-4Source: Mistral's model card |
| Open weights | Announced for the end of October 2026, not released yetSource: Mistral's announcement |
| Training hardware | 3,800 NVIDIA Grace Blackwell GPUs in Mistral's own datacenters in EuropeSource: Mistral's announcement |
The name
Mistral's launch post calls the model “unofficially ML4, very officially: le Chonk”, with an orange pixel-art cat as its icon.Source: Mistral's announcement
The page on the name lays out what came before it: Le Chat becoming Vibe, a joke about a giant kitten, and a post by Mistral's CEO. Why le Chonk →
Not known yet
- The license the weights will be released under.
- Architecture details such as the number of experts and layers. Mistral says these come with the weights.
- Where the weights will be hosted and the exact release date.