Grok-3 mini
ECI#126
140Grok-3 mini is a closed-weights model from xAI, released June 24, 2025. It has an ECI score of 140 and ranks 126th of 240 tracked models. At the time of its release, it ranked 16th of 124 tracked models.
Grok-3 mini vs select alternatives
| Domain | Benchmark | Grok-3 mini | |||
|---|---|---|---|---|---|
ECI scoreBest score 173 | 140 | 137 | 140 | 141 | |
| Ranking | #126 | #133 | #125 | #123 | |
| Conceptual reasoning | ARC-AGI-2Best score 95% | ||||
ARC-AGI-1Best score 99% | |||||
| Long context | Fiction.liveBenchBest score 97% | ||||
| Mathematics | MATH Level 5Best score 98% | ||||
OTIS Mock AIME 2024-2025Best score 100% | |||||
| Science | GPQA DiamondBest score 97% | ||||
| Software engineering | Aider PolyglotBest score 88% | ||||
WeirdML (v2)Best score 94% | |||||
| Writing & creativity | Lech Mazur WritingBest score 8.6 | 7.3 | 7.6 | 7.7 | 8.2 |
