Mistral Small 3.1 is an open-weights model from Mistral AI, released March 17, 2025. It has an ECI score of 127 and ranks 163rd of 249 tracked models. At the time of its release, it ranked 32nd of 118 tracked models.
| Domain | Benchmark | ||||
|---|---|---|---|---|---|
ECI scoreBest score 166 | 127 | 127 | 128 | 130 | |
| Ranking | #163 | #167 | #162 | #153 | |
| Conceptual reasoning | DTBenchBest score 98% | ||||
| Games | Chess PuzzlesBest score 72% | ||||
| Mathematics | MATH Level 5Best score 98% | ||||
OTIS Mock AIME 2024-2025Best score 100% | |||||
| Science | CritPtBest score 32% | ||||
SciCodeBest score 62% | |||||
GPQA DiamondBest score 96% | |||||
| Other | LiveBenchBest score 82% |