Devstral Small 2
Devstral Small 2.
Mistral AI Released 9 Dec 2025 5
Benchmarks with a score
0
Ranked first, out of five or more models
0
In the top three
Mistral AI Dec 2025 Devstral Small 2
Open weights
No Epoch Capabilities Index score yet
- CritPt 0% #148 /160
- SWE-bench Multilingual 55.7% #63 /70
- IOI (Vals) 2.50% #49 /55
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.
Math and science
| Benchmark | Score | Rank | Source | |
|---|---|---|---|---|
| CritPt | 0% | #148 of 160 | Epoch AI |
Coding
| Benchmark | Score | Rank | Source | |
|---|---|---|---|---|
| SWE-bench Verified | 56.4% | #32 of 60 | Official leaderboard | |
| IOI (Vals) | 2.50% | #49 of 55 | Official leaderboard | |
| SWE-bench Multilingual | 55.7% | #63 of 70 | Model card |
Agents and tools
| Benchmark | Score | Rank | Source | |
|---|---|---|---|---|
| Terminal-Bench 2.0 | 22.5% | #59 of 61 | Model card |
Its launch post
The benchmarks the lab chose to headline, with the scores it gave.