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Mistral Large 4

Mistral AI's very large new model is free to download under restricted terms, built for powerful servers rather than personal computers.

Release page →

Leanstral 1.5

Mistral AI released an updated model that helps mathematicians and programmers write and check formal proofs, available to developers through Mistral's service.

Release page →

The basics

Released

Oct 6
Jun 30

What it does

Text and chat: Writes, answers questions and holds a conversation.Code: Writes, explains and fixes code.Thinks first: Can reason step by step before it answers: slower, but better at maths, code and tricky questions.Sees images: Understands pictures, screenshots and charts you share with it.Reads files: Reads documents such as PDFs.
Text and chat: Writes, answers questions and holds a conversation.Thinks first: Can reason step by step before it answers: slower, but better at maths, code and tricky questions.Sees images: Understands pictures, screenshots and charts you share with it.

Knowledge cutoff

The latest events it learned about

Not published
Not published

Download

FreeOpen weights, licence has limits
No: it runs on the maker's servers

Where to use it

Mistral AI's app: Le Chat ↗
Mistral AI's app: Le Chat ↗Also for developers, through an API

Price and limits, for developers

Input

Per million tokens

$0.70
FreeCheaper

Output

Per million tokens

$2.10
FreeCheaper

Cached input

Per million tokens

$0.07
Not listed

Context window

How much it takes in at once

1.05M tokens about 790,000 wordsBigger
262K tokens about 200,000 words

Longest answer

262K tokens about 200,000 wordsLonger
128K tokens about 96,000 words

How they score

Combined test score

Epoch Capabilities Index · Epoch AI

155#46 of 237
Not ranked

Only Mistral Large 4 is in this ranking.

Building apps, by people's votes

LMArena WebDev · LMArena

1,563#40 of 85
Not ranked

Only Mistral Large 4 is in this ranking, which lists the most-voted models.

Green marks the better of the two on each row, red the other. Rows where one side isn't listed, or where the gap is too close to call, stay plain.

Popular comparisons

Not sure where to start? Which AI should I use? gives a pick for what you want to do. How to read AI rankings explains the numbers.

Rankings from LMArena and Epoch AI, both CC BY 4.0, updated . Developer prices, context windows and knowledge cutoffs from the labs' own listings on models.dev and from OpenRouter. The app links go to each maker's own app when no source says exactly where the model is available.

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