Compare / GPT-4.1 vs GPT-5.6 Terra
GPT-4.1 vs GPT-5.6 Terra
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-4.1 | GPT-5.6 Terra |
|---|---|---|---|
| Arena (formerly LMArena)reported | OverallArena rating | 1,408 | 1,467 |
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,415 | 1,466 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,402 | 1,428 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,405 | 1,504 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,403 | 1,462 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,415 | 1,465 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,405 | 1,445 |
| SimpleQA Verified (Epoch AI)reported | Correct answers% of questions | 31.1% | 43.2% |
| UGI Leaderboardreported | Requested-length error% off the requested word count | 6.0% | 22.0% |
| UGI Leaderboardreported | Style adherencescore from 0 to 1 | 0.33 | 0.39 |
| UGI Leaderboardreported | Writing scorescore out of 100 | 67.5 | 60.4 |
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.