GPT-5.2
ECI#47
154GPT-5.2 is a closed-weights model from OpenAI, released December 11, 2025. It has an ECI score of 154 and ranks 47th of 237 tracked models. At the time of its release, it ranked 2nd of 151 tracked models.
GPT-5.2 vs select alternatives
| Domain | Benchmark | GPT-5.2 | |||
|---|---|---|---|---|---|
ECI scoreBest score 169 | 154 | 151 | 153 | 152 | |
| Ranking | #47 | #61 | #52 | #58 | |
| Games | Chess PuzzlesBest score 76% | ||||
Earthborne Rangers (EBR-bench)Best score 78% | |||||
Mystery Game PuzzlesBest score 84% | |||||
| Mathematics | FrontierMath Tiers 1-3 (v2)Best score 94% | ||||
FrontierMath Tier 4 (v2)Best score 100% | |||||
| Multimodal | Furniture Assembly BenchmarkBest score 83% | ||||
| Science | GPQA DiamondBest score 96% | ||||
| Software engineering | SWE-bench VerifiedBest score 83% | ||||
| World knowledge | SimpleQA VerifiedBest score 76% |
