Mistral Large 4 (Le Chonk, open weights)
Mistral Large 4 (Le Chonk, open weights).
Mistral AI Released October 29th, 2026 Family Mistral Large 4 The lab's model card Compare with others 7
Benchmarks with a score
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Ranked first, out of five or more models
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In the top three
Mistral AI Oct 2026 Mistral Large 4 (Le Chonk, open weights)
Open weights Flagship
No Epoch Capabilities Index score yet
- BrowseComp 84.5% #20 /81
Where it ranks
Its best score on each benchmark, and where that ranks among every model with a score there. We rank each model once, at its best setting.
Coding
| Benchmark | Score | Rank | Source | |
|---|---|---|---|---|
| FrontierCode 2.0 | 19.7% | #6 of 6 | Lab model card |
Agents and tools
| Benchmark | Score | Rank | Source | |
|---|---|---|---|---|
| BrowseComp | 84.5% | #20 of 81 | Lab model card | |
| RuneBench | 4.89 | #35 of 76 | Official leaderboard | |
| Terminal-Bench 4.0 | 41% | #15 of 28 | Lab model card |
Professional work
| Benchmark | Score | Rank | Source | |
|---|---|---|---|---|
| Finch (FinWorkBench) | 73.3% | #1 of 1 | Lab model card |
Safety and security
| Benchmark | Score | Rank | Source | |
|---|---|---|---|---|
| Artificial Analysis Cyber Index | 51% | #1 of 1 | Lab model card | |
| Lakera B3 (Backbone Breaker Benchmark) | 97.1% | #1 of 1 | Lab model card |
Its launch post
The benchmarks the lab chose to headline, with the scores it gave.