Compare / Qwen3.5-Flash vs Claude Opus 4.5
Qwen3.5-Flash vs Claude Opus 4.5
15 results from 3 sources that measured both models. Each row is in the source's own units; there is no overall winner.
| Benchmark | Metric | Qwen3.5-Flash | Claude Opus 4.5 |
|---|---|---|---|
| Arena (formerly LMArena)reported | OverallArena rating | 1,414 | 1,459 |
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,403 | 1,472 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,338 | 1,469 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,420 | 1,503 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,381 | 1,483 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,396 | 1,474 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,367 | 1,467 |
| OpenHands Indexreported | Average% resolved | 38.1% | 60.6% |
| OpenHands Indexreported | Front end (SWE-Bench Multimodal)% resolved | 27.9% | 41.2% |
| OpenHands Indexreported | Greenfield (Commit0)% resolved | 12.5% | 37.5% |
| OpenHands Indexreported | Information gathering (GAIA)% resolved | 49.7% | 69.1% |
| OpenHands Indexreported | Issue resolution (SWE-Bench)% resolved | 62.0% | 76.6% |
| OpenHands Indexreported | Testing (SWT-Bench)% resolved | 38.3% | 78.5% |
| Vectara Hallucination Leaderboardreported | Answer rate% of documents | 99.8% | 98.7% |
| Vectara Hallucination Leaderboardreported | Hallucination rate% of summaries | 10.5% | 10.9% |
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.