Compare / Claude Opus 5 vs GPT-5.2
Claude Opus 5 vs GPT-5.2
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 | Claude Opus 5 | GPT-5.2 |
|---|---|---|---|
| Arena (formerly LMArena)reported | OverallArena rating | 1,490 | 1,425 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,488 | 1,442 |
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,486 | 1,444 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,472 | 1,391 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,543 | 1,475 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,497 | 1,427 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,491 | 1,437 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,482 | 1,411 |
| tau2-benchreported | Consistency (pass^4)% of tasks | 32.0% | 18.6% |
| tau2-benchreported | Task success (pass^1)% of tasks | 48.7% | 32.2% |
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.