Compare / Qwen3.5-Flash vs DeepSeek V4 Pro 0423
Qwen3.5-Flash vs DeepSeek V4 Pro 0423
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 | DeepSeek V4 Pro 0423 |
|---|---|---|---|
| Arena (formerly LMArena)reported | OverallArena rating | 1,414 | 1,455 |
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,403 | 1,460 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,338 | 1,446 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,420 | 1,480 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,381 | 1,452 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,396 | 1,458 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,367 | 1,451 |
| OpenHands Indexreported | Average% resolved | 38.1% | 40.7% |
| OpenHands Indexreported | Front end (SWE-Bench Multimodal)% resolved | 27.9% | 36.8% |
| OpenHands Indexreported | Greenfield (Commit0)% resolved | 12.5% | 12.5% |
| OpenHands Indexreported | Information gathering (GAIA)% resolved | 49.7% | 12.7% |
| OpenHands Indexreported | Issue resolution (SWE-Bench)% resolved | 62.0% | 73.2% |
| OpenHands Indexreported | Testing (SWT-Bench)% resolved | 38.3% | 68.1% |
| Vectara Hallucination Leaderboardreported | Answer rate% of documents | 99.8% | 97.2% |
| Vectara Hallucination Leaderboardreported | Hallucination rate% of summaries | 10.5% | 8.6% |
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.