GPT-6 Sol
ECI#8
163GPT-6 Sol is a closed-weights model from OpenAI, released September 22, 2026. It has an ECI score of 163 and ranks 8th of 260 tracked models. At the time of its release, it ranked 5th of 255 tracked models.
GPT-6 Sol vs select alternatives
| Domain | Benchmark | GPT-6 Sol | |||
|---|---|---|---|---|---|
ECI scoreBest score 167 | 163 | 166 | 167 | 157 | |
| Ranking | #8 | #2 | #1 – Best | #17 | |
| Games | SpireClimbBest score 26% | ||||
Chess PuzzlesBest score 76% | |||||
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% | ||||
| Science | GPQA DiamondBest score 96% | ||||
| World knowledge | SimpleQA VerifiedBest score 76% |
