Compare / GPT-5.2 vs Step 3.5 Flash
GPT-5.2 vs Step 3.5 Flash
10 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-5.2 | Step 3.5 Flash |
|---|---|---|---|
| Arena (formerly LMArena)reported | OverallArena rating | 1,442 | 1,417 |
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,444 | 1,390 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,391 | 1,345 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,475 | 1,429 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,427 | 1,384 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,437 | 1,393 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,411 | 1,366 |
| UGI Leaderboardreported | Requested-length error% off the requested word count | 76.0% | 42.0% |
| UGI Leaderboardreported | Style adherencescore from 0 to 1 | 0.40 | 0.37 |
| UGI Leaderboardreported | Writing scorescore out of 100 | 49.4 | 45.9 |
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.