Models / Mistral AI/ Mistral Large 3 2512

Mistral Large 3 2512

Mistral AI · released Dec 1, 2025

Input: text, images and documents. Output: text.InputOutput
Type
Closed
Input
$0.50
Output
$1.50
Cached
$0.050

List price · per 1M tokens · Mistral AI at 262K context · source ↗

Our take

Written Sep 17, 2026

Mistral Large 3 2512 is a hosted-only model: we list no download for it, so using it means choosing a host. Its quality is measured only by human preference votes, and coding prompts are its strongest measured category while web-app building is its weakest.

Who should pick it

Use it for hosted chat, document and image work where you want a strong preference rating on coding prompts and do not need to run the model yourself, or for long documents that would otherwise need splitting. Skip it if you need to download and run the model on your own machine, or if you need measured accuracy on a task rather than human preference.

The case for it

  • Coding prompts are its strongest measured category on the preference boards, though that records which answers people preferred rather than whether the code was correct.
  • The request capacity holds a long report or a stack of documents beside the question, though reliable recall across all of it is unverified in our data.
  • Text, images and files go into the same request, so a screenshot or a document does not have to be described in words first.

The case against it

  • We list no download for it, so using it means choosing a host.
  • Every score we hold is a preference rating, which records which answer people preferred rather than whether it was correct.
  • Web-app building is its weakest measured category, so building an app from a prompt is the job it looks least suited to.
00

How good is it?

EverydayGeneral questions and everyday reasoning

2.5 of 5

Arena Text (overall)88th of 168 · 1413

Arena Hard Prompts 89th of 168Arena Maths 95th of 163

CodingWriting and fixing code on its own

3 of 5

Arena Coding76th of 168 · 1469

Arena Code (WebDev) 91st of 95

AgenticPlanning, calling tools, staying on task

not measured

Not yet scored on Arena Agent.

WritingDrafting and rewriting prose

2.5 of 5

Arena Creative Writing87th of 168 · 1373

Arena Creative Writing is the only board that has scored it for this.

Other boards it appears on
Arena Instruction Following 89th of 168

These tests check whether a model follows instructions — a precondition for all the work above, but not a measure of how well that work is done.

Every published score for this model7 scoresEvery figure we hold, from 7 boards, with who ran it and a link to the source — including the boards no rating above is built on.
1469source ↗
1373source ↗
1431source ↗
1401source ↗
1413source ↗
1230source ↗
01

Where to rent it

Prices checked 4 hours ago — each listing carries its own date.

Cheapest published offer

Mistral AI, through OpenRouter

The lab is also the cheapest we hold. The strip above and this offer are the same one, so nothing on this page undercuts Mistral AI on 262K of context.

per 1M tokens
$0.50 in / $1.50 out
Context served
262K
Throughput
~6 tok/s
Current provider offers with price, context and prompt-privacy answers
ProviderIn / out per 1M tokensContextThroughputTrains on promptsLogs promptsZero retention
OpenRouterOpenRouter's own listing$0.50 / $1.50checked 4 hours ago262Knot measuredUnknownUnknownUnknown
Mistral AIThrough OpenRouter$0.50 / $1.50checked 4 hours ago262K210K max reply6 tok/sNoYes30 daysConfirmed
Mistral AIeuThrough OpenRouter$0.55 / $1.65checked 4 hours ago262K210K max reply4 tok/sNoYes30 daysConfirmed

Across the 3 listings we hold: 2 say they do not train on prompts, 0 say they do and 1 does not say. 2 appear in the zero-retention registry we check; the rest are unknown to us.

What each host's API supports

From the parameter list each endpoint publishes. Streaming is omitted: nothing we hold reports it, for any model.

API features per host
ProviderTool callingJSON outputStrict schema
OpenRouterOpenRouter's own listing✓✓✓
Mistral AIThrough OpenRouter✓✓✓
Mistral AIeuThrough OpenRouter✓✓✓

Tool calling: 3 of 3 listings say yes. JSON output: 3 of 3 listings say yes. Strict schema: 3 of 3 listings say yes.

02

Models people weigh against Mistral Large 3 2512

03

When we formed this view

Recent changes

Sep 25, 2026BenchmarkScored 1469 on Arena Coding
What movedleaderboard
Sep 25, 2026BenchmarkScored 1373 on Arena Creative Writing
What movedleaderboard
Sep 25, 2026BenchmarkScored 1431 on Arena Hard Prompts
What movedleaderboard
Sep 25, 2026BenchmarkScored 1400 on Arena Instruction Following
What movedleaderboard
Sep 25, 2026BenchmarkScored 1401 on Arena Maths
What movedleaderboard
Sep 25, 2026BenchmarkScored 1413 on Arena Text (overall)
What movedleaderboard
Sep 25, 2026BenchmarkScored 1230 on Arena Code (WebDev)
What movedleaderboard
Jul 26, 2026ListedListed on LLMap
What movedfirst indexed by our pipeline
Dec 1, 2025AnnouncedMistral Large 3 2512 announced by Mistral AI

Each date is the day we first saw the change, or the day the maker announced it.

What we do not know about this model yet

  • Nothing we hold says whether an endpoint streams, so we do not show it either way.
  • 1 of 3 listings does not say whether it trains on prompts.
  • We hold no batch or off-peak rate for any of its listings.
04

Licence and identifiers

What the licence allowsWe hold no licence record for this model. Inside are the identifiers you need to pull it — its Hugging Face repo where we have one, our slug and a machine-readable card.

Licence

We hold no licence record for this model, and no record of published weights either — so we can neither summarise its terms nor point you at the weights.

Identifiers

Takes in, gives back
Text, images and documents in, text out
Catalogue slug
mistralai-mistral-large-3-2512

Machine-readable model card (omc.json) →

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