Compare / GPT-5.5 vs o3 Mini
GPT-5.5 vs o3 Mini
7 results from 2 sources that measured both models. Each row is in the source's own units; there is no overall winner.
| Benchmark | Metric | GPT-5.5 | o3 Mini |
|---|---|---|---|
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,489 | 1,328 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,452 | 1,301 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,513 | 1,366 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,478 | 1,344 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,481 | 1,348 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,470 | 1,325 |
| SimpleQA Verified (Epoch AI)reported | Correct answers% of questions | 63.0% | 15.3% |
Bold green marks the better value on that metric. Where a source reports ranges that overlap, the difference may not be meaningful; see the benchmark page for ranges.