GPT-5 Pro
ECI#43
150GPT-5 Pro is a closed-weights model from OpenAI, released October 7, 2025. It has an ECI score of 150 and ranks 43rd of 249 tracked models. At the time of its release, it ranked 1st of 168 tracked models.
GPT-5 Pro vs select alternatives
| Domain | Benchmark | GPT-5 Pro | |||
|---|---|---|---|---|---|
ECI scoreBest score 166 | 150 | 150 | 147 | 146 | |
| Ranking | #43 | #47 | #61 | #66 | |
| Conceptual reasoning | SimpleBenchBest score 82% | ||||
ARC-AGI-2Best score 95% | |||||
ARC-AGI-1Best score 99% | |||||
| Mathematics | FrontierMath Tiers 1-3 (v2)Best score 94% | ||||
FrontierMath Tier 4 (v2)Best score 98% | |||||
| Multimodal | EnigmaEvalBest score 39% | ||||
| Science | Humanity's Last ExamBest score 47% | ||||
| Software engineering | AlgoTuneBest score 2.0x | 1.3x | 1.7x | 1.5x | — |
WeirdML (v2)Best score 93% |
