Compare / GPT-5.6 Luna vs o4 Mini
GPT-5.6 Luna vs o4 Mini
11 results from 3 sources that measured both models. Each row is in the source's own units; there is no overall winner.
| Benchmark | Metric | GPT-5.6 Luna | o4 Mini |
|---|---|---|---|
| Arena (formerly LMArena)reported | OverallArena rating | 1,461 | 1,368 |
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,463 | 1,379 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,412 | 1,337 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,491 | 1,408 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,446 | 1,369 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,454 | 1,391 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,435 | 1,354 |
| SimpleQA Verified (Epoch AI)reported | Correct answers% of questions | 41.0% | 19.6% |
| UGI Leaderboardreported | Requested-length error% off the requested word count | 15.0% | 19.0% |
| UGI Leaderboardreported | Style adherencescore from 0 to 1 | 0.38 | 0.33 |
| UGI Leaderboardreported | Writing scorescore out of 100 | 53.7 | 46.9 |
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.