o1 is a closed-weights model from OpenAI, released December 17, 2024. It has an ECI score of 141 and ranks 117th of 240 tracked models. At the time of its release, it ranked 1st of 86 tracked models.
| Domain | Benchmark | ||||
|---|---|---|---|---|---|
ECI scoreBest score 173 | 141 | 135 | 133 | 130 | |
| Ranking | #117 | #140 | #149 | #156 | |
| Conceptual reasoning | SimpleBenchBest score 95% | ||||
ARC-AGI-1Best score 99% | |||||
| Mathematics | MATH Level 5Best score 98% | ||||
OTIS Mock AIME 2024-2025Best score 100% | |||||
| Science | Humanity's Last ExamBest score 55% | ||||
GPQA DiamondBest score 97% | |||||
| Software engineering | METR Time HorizonsBest score 17 hr 25 min | 38 min 50 sec | — | 20 min 31 sec | — |
Aider PolyglotBest score 88% | |||||
| Other | LiveBenchBest score 82% |