GPT-5.4 is a closed-weights model from OpenAI, released March 5, 2026. It has an ECI score of 157 and ranks 23rd of 260 tracked models. At the time of its release, it ranked 3rd of 193 tracked models.
| Domain | Benchmark | ||||
|---|---|---|---|---|---|
ECI scoreBest score 167 | 157 | 157 | 155 | 155 | |
| Ranking | #23 | #21 | #33 | #36 | |
| Games | Chess PuzzlesBest score 74% | ||||
Earthborne Rangers (EBR-bench)Best score 76% | |||||
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% | ||||
| Software engineering | MirrorCodeBest score 77% | ||||
SWE-bench VerifiedBest score 83% | |||||
| World knowledge | SimpleQA VerifiedBest score 76% |