Comparing 2 models
DeepSeek V4.1 Flash vs Gemini 4 Argon
Benchmarks through
Verdict
DeepSeek V4.1 Flash and Gemini 4 Argon are not yet ranked on the same task, so compare the specifications below. DeepSeek V4.1 Flash costs 55.6x less per input token. Only DeepSeek V4.1 Flash has open weights for self-hosting.
- Choose DeepSeek V4.1 Flash for you need to self-host.
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 | Gemini 4 Argon | Source |
|---|---|---|---|
| FrontierMath Tiers 1-3 (Epoch AI) | 67.4% ± 2.8 | 86% ± 2.1 | source · 2026-10-08 |
| GPQA Diamond (Epoch AI) | 89.8% ± 1.7 | 96.4% ± 1.2 | source · 2026-10-09 |
| LMArena Agent | 3 | 13.7 | source · 2026-10-14 |
| LMArena Agent Bash Recovery | 7.9 | -21.4 | source · 2026-10-08 |
| LMArena Agent Steerability | 1.9 | 16.8 | source · 2026-10-14 |
| LMArena Agent Task Outcome | 7.5 | 14.6 | source · 2026-10-14 |
| LMArena Agent Tool Hallucination | 0.5 | 0 | source · 2026-10-14 |
| LMArena Creative Writing | 1437 Elo | 1527 Elo | source · 2026-10-15 |
| LMArena Instruction Following | 1473 Elo | 1536 Elo | source · 2026-10-15 |
| LMArena Long Query | 1474 Elo | 1546 Elo | source · 2026-10-15 |
| LMArena Math | 1478 Elo | 1536 Elo | source · 2026-10-15 |
| LMArena Text | 1475 Elo | 1524 Elo | source · 2026-10-15 |
| LMArena Text Factuality | 1468 Elo | 1511 Elo | source · 2026-10-15 |
| LMArena WebDev | 1619 Elo | 1678 Elo | source · 2026-10-13 |
| OTIS Mock AIME (Epoch AI) | 98.3% ± 0.6 | 100% ± 0 | source · 2026-10-08 |
| SimpleQA Verified (Epoch AI) | 42.9% ± 1.6 | 76% ± 1.4 | 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.