# Mistral AI releases open-weight Mistral Large 4 with technical report

> Original title: The story of how Le Chonk was built, told by the team behind it.

- Source: Mistral AI
- Published: 2026-11-03T10:18:34.000Z
- Bad Influence: https://badinfluence.news/items/qqdlvjgug8niultfxrb4y6io7
- Original: https://x.com/MistralAI/status/2117562068220195097

## Summary

Mistral AI says Mistral Large 4 is now open-weight, with frontier capabilities on code agents and cyber tasks. The model is more efficient and compact than its Preview version released three weeks earlier. A technical report describing how the model was built is linked from the post.

## Post

The story of how Le Chonk was built, told by the team behind it.

Now on @askalphaxiv : https://www.alphaxiv.org/abs/2611.mistral-large-4

## Quoted post @PierreStock

> ML4 is now open-weight! Frontier capabilities on code agents & cyber, way more efficient and compact than its Preview version three weeks ago (!) and cherry on the cake: technical report telling its epic backstory. Check it out: https://huggingface.co/mistralai/Mistral-Large-4-1T-A52B/blob/main/assets/technical_report.pdf

https://x.com/PierreStock/status/2117293394238013698