AI Launch Profile

Mistral Large 4 (Le Chonk) weights

Mistral made improved Large 4 weights downloadable on October 29, 2026, following its October 6 public preview. The repository documents text and image input, text output, a one-million-token context and configurable reasoning.

Read official source

Mistral co-founder Arthur Mensch at Techarena, photographed February 11, 2026. Historical company-context photograph; it does not show Le Chonk or demonstrate the model. Cropped to 16:9 and resized to 1600×900; photographic content otherwise unchanged. Only the photographic crop is licensed under CC0-1.0; that license does not cover this article. No photographer, participant or vendor endorsement is implied. Photo: Jan2342342423; CC0-1.0; source photograph.

At a glance

Launch Snapshot

Company: Mistral
Launch date: October 29, 2026
Launch type: Model Release
Category: AI Models
Audience: Developers
Pricing: Mistral's USD model documentation lists $0.70 input, $0.07 cached input and $2.10 output per million tokens. Self-hosting costs are separate.
Free plan: Not publicly confirmed
API: Yes
Open weights/source: Downloadable weights; restricted license

Launch Context

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Verification & Sources

Evidence state: Source-verified
Source links: 4
Freshness: Checked October 30, 2026
Last verified: October 30, 2026
Last updated: October 30, 2026

What this evidence state means

Definition: The stated claim was checked against a named primary or authoritative source. This does not mean Kingy tested the product.
Required provenance: At least one public, named primary or authoritative source that directly supports the claim.
Owner: Kingy editorial reviewer
Freshness rule: Recheck within 30 days and after a material product, price, access, or source change.
Disputes and corrections: Use “Suggest a correction” on the record. Kingy editorial reviews the cited evidence, records material corrections, and changes or removes the state when it is not supported.

Key source checks

Official site Pricing Source 3 Source 4

Suggest a correction

Kingy AI Take

Mistral Large 4 gives teams a documented choice between an API and downloadable weights. Evaluate the commercial-license restriction, infrastructure cost and your own task accuracy; published benchmark and security claims remain vendor reported.

Who it is for

Developers

What feels promising

Teams can evaluate self-hosting alongside Mistral’s API. Downloadable weights do not remove infrastructure costs or the license’s commercial restrictions.

What feels unproven

Mistral Ecosystem Open-Weight License, modified MIT. Copyright/permission notice required. A licensee or affiliate operating a Model-as-a-Service business must obtain a separate commercial license before commercial use; internal use and access through official Mistral products are excepted. The downloadable weights are subject to these license restrictions. Performance, security, deployment reliability and total operating cost remain untested by Kingy. Kingy did not download or run the model or verify hardware requirements.

Source-backed record

Evidence sources

Official site mistral.ai Source docs.mistral.ai Source huggingface.co Source huggingface.co