Mistral AI · llm model

Mistral Large 4

Mistral Large 4 is Mistral AI's latest language model in our dataset (public preview), released Oct 6, 2026. Open weights are promised but not yet published. Mistral's 1.05T-parameter multimodal mixture-of-experts model, in public preview via API, with open weights promised by the end of October 2026. Verified against vendor sources on Oct 26, 2026.

Reported Last verified Oct 26, 2026 · All models · JSON · Markdown

ReleasedOct 6, 2026
Context window1M1,000,000 tokens
LicenceWeights unpublishedNot yet published

Modalities not verified

Key facts

Mistral Large 4: key facts with sources
Fact	Value	Source
Vendor	Mistral AI	n/a
Released	Oct 6, 2026 Public preview launch.	source
Status	public preview	n/a
API id	mistral-large-4	source
Context window	1,000,000 tokens (1M)	source
Parameters	1.05T total, 52B active, mixture-of-experts	source
Licence	Not yet published Mistral says weights "drop end of this month" (October 2026). Until the weights and license are published we do not label it open-weights.	source
Pricing	$1.36 in / $4.18 out per 1M tokens Preview pricing as shown on Mistral's docs page.	source

Where Mistral Large 4 sits in our data

Released Oct 6, 2026 (week 41 of 2026), in October 2026. Other models in our data released that month: GPT-6.1 Terra, Kimi K3.1 Pro, Kimi K3.1 Pro Highspeed, Nemotron 3.5 Bolt E4B (4GB), Voxtral 3, Mercury 3.
The previous Mistral AI model we track is Mistral Medium 3.5 (Apr 28, 2026), 161 days earlier.
Of the 60 models in our data with a published context window, Mistral Large 4 has the number 25 largest (1M tokens). Our data is not every model on the market.
Mistral AI tools we cover: Mistral Le Chat.
All releases by date: AI model releases by month · new AI models this week. Choosing for code: best LLM for coding.

How Mistral Large 4 differs from Mistral Small 4

Read from the recorded facts of the two models, not from a head-to-head test. We have not run either.

Listed price is $1.36 in and $4.18 out, against $0.15 in and $0.6 out for Mistral Small 4 (per 1M tokens).
Context window is 1M tokens against 256K for Mistral Small 4.
Status is public preview, against generally available.
Mistral Large 4 came out 204 days after Mistral Small 4.
Facts for the other model: Mistral Small 4.

What the sources say

These are claims from the linked pages, not our measurements.

Vendor claim (Mistral): state-of-the-art among open models on cybersecurity, finance and law. Not independently verified by us.

What we tested

Nothing yet. We have not run Mistral Large 4 ourselves, so every fact on this page is Reported from the sources below. When we do test it, the scope will be stated here and in our test logs. See methodology.

Not verified, left out

We could not confirm these on a vendor page, so we do not state them.

Output modalities and maximum output tokens were not captured. Recheck once the weights ship.