Comparing 2 models
DeepSeek V4.1 Flash vs Kimi K3
Benchmarks through
Verdict
DeepSeek V4.1 Flash places higher on 12 of the 13 tasks where both are ranked. DeepSeek V4.1 Flash costs 8.4x less per input token.
- Choose DeepSeek V4.1 Flash for Cheap LLM for High Volume (#1), JSON & Schema Output (#1), Local LLM for Coding (#1).
- Choose Kimi K3 for Debugging & Code Review (#6).
Built from the published task rankings below; ranks come from each task's own weighted benchmarks, so a win on one task says nothing about another.
Measured head to head
Benchmarks both models were run on
| Evaluation | DeepSeek V4.1 Flash | Kimi K3 | Source |
|---|---|---|---|
| FrontierMath Tiers 1-3 (Epoch AI) | 67.4% ± 2.8 | 72.2% ± 2.7 | source · 2026-10-08 |
| GPQA Diamond (Epoch AI) | 89.8% ± 1.7 | 93.1% ± 1.5 | source · 2026-10-09 |
| LiveBench Agentic Coding | 77.3% | 62.2% | source · 2026-10-16 |
| LiveBench Coding | 80.0% | 81.5% | source · 2026-10-16 |
| LiveBench Data Analysis | 79.3% | 78.7% | source · 2026-10-16 |
| LiveBench Instruction Following | 70.0% | 71.4% | source · 2026-10-16 |
| LiveBench Language | 81.2% | 85.5% | source · 2026-10-16 |
| LiveBench Math | 93.3% | 84.4% | source · 2026-10-16 |
| LiveBench Reasoning | 86.7% | 90.7% | source · 2026-10-16 |
| LMArena Agent | 3 | 1.9 | source · 2026-10-14 |
| LMArena Agent Bash Recovery | 7.9 | 4.4 | source · 2026-10-08 |
| LMArena Agent Steerability | 1.9 | 0.5 | source · 2026-10-14 |
| LMArena Agent Task Outcome | 7.5 | 6.3 | source · 2026-10-14 |
| LMArena Agent Tool Hallucination | 0.5 | 0.6 | source · 2026-10-14 |
| LMArena Creative Writing | 1437 Elo | 1456 Elo | source · 2026-10-15 |
| LMArena Instruction Following | 1473 Elo | 1483 Elo | source · 2026-10-15 |
| LMArena Long Query | 1474 Elo | 1493 Elo | source · 2026-10-15 |
| LMArena Math | 1478 Elo | 1494 Elo | source · 2026-10-15 |
| LMArena Text | 1475 Elo | 1487 Elo | source · 2026-10-15 |
| LMArena Text Factuality | 1468 Elo | 1471 Elo | source · 2026-10-15 |
| LMArena WebDev | 1619 Elo | 1655 Elo | source · 2026-10-13 |
| LMArena WebDev Image-to-Web | 1609 Elo | 1579 Elo | source · 2026-10-09 |
| OTIS Mock AIME (Epoch AI) | 98.3% ± 0.6 | 97.2% ± 1.1 | source · 2026-10-08 |
| SimpleQA Verified (Epoch AI) | 42.9% ± 1.6 | 50.6% ± 1.6 | source · 2026-10-13 |
Values are as published by each evaluator, in its own units; rows from different evaluators are not on a common scale.
task evidence
How they place when the question changes
Lower ranks are better. “Best” marks the strongest option in this shortlist for that task.