Compare / GPT-5.4 Mini vs GPT-5.5
GPT-5.4 Mini vs GPT-5.5
9 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-5.4 Mini | GPT-5.5 |
|---|---|---|---|
| Arena (formerly LMArena)reported | OverallArena rating | 1,447 | 1,486 |
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,460 | 1,489 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,402 | 1,452 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,480 | 1,513 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,434 | 1,478 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,447 | 1,481 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,424 | 1,470 |
| Vectara Hallucination Leaderboardreported | Answer rate% of documents | 100.0% | 100.0% |
| Vectara Hallucination Leaderboardreported | Hallucination rate% of summaries | 5.5% | 9.3% |
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.