Compare / Claude Opus 4.5 vs gemini-3-flash
Claude Opus 4.5 vs gemini-3-flash
19 results from 3 sources that measured both models. Each row is in the source's own units; there is no overall winner.
| Benchmark | Metric | Claude Opus 4.5 | gemini-3-flash |
|---|---|---|---|
| Arena (formerly LMArena)reported | OverallArena rating | 1,465 | 1,439 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,187 | 1,191 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,459 | 1,468 |
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,472 | 1,469 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,469 | 1,457 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,503 | 1,496 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,483 | 1,458 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,474 | 1,473 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,466 | 1,461 |
| OpenHands Indexreported | Average% resolved | 60.6% | 49.0% |
| OpenHands Indexreported | Front end (SWE-Bench Multimodal)% resolved | 41.2% | 22.1% |
| OpenHands Indexreported | Greenfield (Commit0)% resolved | 37.5% | 18.8% |
| OpenHands Indexreported | Information gathering (GAIA)% resolved | 69.1% | 58.8% |
| OpenHands Indexreported | Testing (SWT-Bench)% resolved | 76.6% | 70.7% |
| tau2-benchreported | Consistency (pass^4)% of tasks | 70.0% | 68.0% |
| tau2-benchreported | Task success (pass^1)% of tasks | 84.0% | 82.5% |
| tau2-benchreported | Consistency (pass^4)% of tasks | 51.8% | 51.8% |
| tau2-benchreported | Consistency (pass^4)% of tasks | 78.1% | 70.2% |
| tau2-benchreported | Task success (pass^1)% of tasks | 92.3% | 91.2% |
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.