FreeLLMMistral releases open‑weight 1‑trillion‑parameter model Le Chonk with coding and security gains
Mistral Large 4 (Le Chonk) is now publicly available with three reasoning modes and top open‑weight coding performance.
Mistral announced that the weights for its 1‑trillion‑parameter multimodal model, Mistral Large 4 (Le Chonk), are now publicly released.
The model shows leading results on open‑weight coding benchmarks, scoring 19.7% on FrontierCode 2.0 and 41% on Terminal‑Bench 4.0, while using fewer tokens than competitors.
Three reasoning modes are offered: Low for simple tasks, Medium for everyday use, and High (default) for demanding reasoning, letting users balance performance and cost.
In cybersecurity tests, Le Chonk achieved a 51% score on the Artificial Analysis Cyber Index, indicating strong vulnerability discovery and patching abilities without excessive refusals.
The release follows a public preview that already placed the model at the top of open‑weight coding rankings, and it joins a landscape where the top free chat models are Kimi K3, GLM‑5.3, and MiMo‑V2.6‑Pro.
What it means for you
Free‑model users gain a new benchmark‑leading option that can be run locally, expanding the pool of capable, cost‑effective AI models.
On FreeLLMArena
From our rankings on 29 Oct 2026, based on Arena's blind votes:
- Mistral Large (2411): #116 among free chat models
Sources
- Le Chonk: Built for Coders, Trusted by Defenders., Mistral (official), 29 Oct 2026
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