DeepSeek V4.1 Flash scores 50.9 on the Respan Index (#20), ahead of Kimi K2.6 at 34.4 (#55). DeepSeek V4.1 Flash leads on 10 of the 11 benchmarks both report. DeepSeek V4.1 Flash is 3.3x cheaper per token at list price. DeepSeek V4.1 Flash has the larger context window (1M tokens).
* Estimated: no published scores in that category. How the Respan Index works
| LiveBench Language (LiveBench) |
| 81.2% |
| 75.1% |
| LiveBench Mathematics (LiveBench) | 93.3% | 84.3% |
| LiveBench Reasoning (LiveBench) | 86.7% | 79.4% |
| SAGE (Vals AI) | 47.9% | 50.2% |
| LMArena Elo | 1474 | 1455 |
| LMArena WebDev (LMArena) | 1620 | 1509 |
| GPQA Diamond | 90.9% | 90.8% |
Higher is better. Each score links to where it was published.