DeepSeek V4.1 Flash scores 50.9 on the Respan Index (#20), ahead of Qwen3.8-Flash-Next at 42.7 (#39). DeepSeek V4.1 Flash leads on 6 of the 10 benchmarks both report.
* Estimated: no published scores in that category. How the Respan Index works
| LiveBench Language (LiveBench) | 81.2% | 74.6% |
| LiveBench Mathematics (LiveBench) | 93.3% | 85.8% |
| LiveBench Reasoning (LiveBench) | 86.7% | 87.4% |
| LMArena Agent (LMArena) | 0.0402 | -0.0073 |
| LMArena WebDev (LMArena) | 1620 | 1638 |
| GPQA Diamond | 90.9% | 91.7% |
Higher is better. Each score links to where it was published.