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Le Chat

Friday, 30 October · updated 4 min ago

by Mistral AI

Mistral's fast chat assistant, from the French company that also makes open models.

US$24 billion Valuation · Sep 2026 · source

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What's new in Le Chat

TrendingMistral Large 4

Mistral Large 4 weights are now open for anyone to use

Mistral AI has released its Large 4 model, nicknamed Le Chonk, and its weights are now open. The company says it is the best open-weight model for coding, and it also targets cybersecurity users. It is mainly for developers who want to test it themselves.

How to try it

Visit mistral.ai to find the Large 4 model weights and documentation. Read the setup steps before you download it, since the model is very large.

Mistral AI News

Latest news about Le Chat

Models

Mistral Releases Open-Weight Large 4 Model, Claims Coding Lead

French AI lab Mistral has released its Large 4 model, nicknamed Le Chonk, and made its weights open for anyone to download. The model has 1 trillion parameters and works with images too. Mistral says it matches or beats top models from DeepSeek and Z.ai in coding and cybersecurity.

Quick glossaryMistral AI, open-weight model, parameter, multimodal
Mistral AI
A Paris-based AI company known for building powerful AI models that developers can download and use.
open-weight model
An AI model whose trained settings are shared publicly so that anyone can download, use and run it on their own computers.
parameter
A count of the adjustable numbers inside an AI model, which broadly shows how large and capable it is.
multimodal
Able to work with more than one type of input, such as text together with images or audio.
Wired AI
Tools

Mistral Releases Trillion-Parameter Model for Cybersecurity

French AI company Mistral has released the weights of its new trillion-parameter AI model, aimed at cybersecurity. Mistral says that because the weights are open, organisations can keep more control over their cyber defences than they can with closed models. The release puts a very large model in the hands of anyone who wants to run it.

Quick glossaryMistral, weights, trillion-parameter, closed models
Mistral
Mistral AI is a Paris-based company best known for building AI language models that anyone can download and run.
weights
The learned numbers inside an AI model that decide how it responds, which can be shared so others can run the model.
trillion-parameter
Describes an AI model with about a trillion adjustable settings, which makes it very large and capable.
closed models
AI models whose inner settings are kept private by the company, so outside users cannot download or change them.
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