DeepSeek V4.1 Flash vs Gemini 3.6 Flash
DeepSeek V4.1 Flash 
Gemini 3.6 Flash Verdict
- DeepSeek V4.1 Flash (max) and Gemini 3.6 Flash (high) are level on quality (61.9 vs 61.7).
- DeepSeek V4.1 Flash (max) is stronger in agents & tools, coding, composite, long context, reasoning.
- Gemini 3.6 Flash (high) is stronger in knowledge, multimodal, human preference, maths.
- DeepSeek V4.1 Flash (max) is 5.7× cheaper ($0.262 vs $1.50 per 1M blended).
| Metric | DeepSeek V4.1 Flash (max) | Gemini 3.6 Flash (high) |
|---|---|---|
| BenchLeader Index | 61.9 | 61.7 |
| Agents & tools score | 59.6 | 53.7 |
| Coding score | 68.9 | 58.7 |
| Composite score | 74.5 | 59.9 |
| Knowledge score | 61.7 | 66.7 |
| Long context score | 68.5 | 66.5 |
| Multimodal score | 61.4 | 66.7 |
| Reasoning score | 69.5 | 64.5 |
| Human preference score | – | 68.2 |
| Maths score | – | 61.4 |
| Blended price $/M | $0.262 | $1.50 |
| Output speed | 215 tok/s | 186 tok/s |
| Time to first answer | 10.5 s | 17.1 s |
| Context window | 1M | 1.0M |
| GPQA Diamond | – | 94.1% |
| FrontierMath Tiers 1–3 | – | 59.0% |
| FrontierMath Tier 4 | – | 21.9% |
| OTIS Mock AIME | – | 94.2% |
| SimpleQA Verified | – | 66.2% |
| SciCode | – | 52.7% |
| WeirdML | – | 56.1% |
| LMArena Text | – | 1480 |
| LMArena Hard Prompts | – | 1500 |
| LMArena Coding | – | 1517 |
| LMArena WebDev | 1614 | 1537 |
| LMArena Vision | – | 1300 |
| LMArena Agent | 4.9 | -5.9 |
| LiveBench | 81.1% | 73.6% |
| LiveBench Reasoning | 86.7% | 85.2% |
| LiveBench Coding | 80.0% | 77.9% |
| LiveBench Agentic Coding | 77.3% | 43.4% |
| LiveBench Mathematics | 93.3% | 86.4% |
| LiveBench Data Analysis | 79.3% | 63.0% |
| LiveBench Language | 81.2% | 83.9% |
| LiveBench Instruction Following | 70.0% | 75.4% |
| AA Intelligence Index | 39.5 | 34.3 |
| AA-LCR | 84.0% | 80.0% |
| MMMU-Pro | 77.0% | 83.2% |
| AA-Omniscience | -5.3 | 22.1 |
| GPQA Diamond (AA) | – | 92.8% |
| Humanity's Last Exam (AA) | 39.3% | 40.8% |
| SciCode (AA) | 51.9% | 53.4% |
| LiveCodeBench | – | 88.1% |
| MMLU-Pro | – | 89.3% |
| IOI | – | 35.1% |
| LegalBench | – | 86.7% |
| CorpFin | – | 63.3% |
| TaxEval | – | 74.9% |
| Terminal-Bench 2.1 (Vals) | – | 73.8% |
| SWE-bench (Vals) | – | 79.6% |
| GPQA Diamond (Vals) | – | 93.4% |
| Vals Index | – | 55.4 |
| ARC-AGI-1 | – | 91.2% |
| ARC-AGI-2 | – | 60.4% |
| CritPt | 14.3% | 10.6% |
| GDPval (AA) | 56.6% | 41.6% |
| τ²-Bench Banking (AA) | – | 29.9% |
| BioMysteryBench | – | 58.5% |
| Code Migration | – | 30.9% |
| CyberBench | – | 48.5% |
| Excel Modeling Benchmark | – | 65.4% |
| Finance Agent v2 | – | 56.3% |
| Harvey's Legal Agent Benchmark | – | 3.3% |
| Legal Research Bench | – | 25.0% |
| MedCode | – | 53.1% |
| MedScribe | – | 79.7% |
| MMMU-Pro (Vals) | – | 88.4% |
| MortgageTax | – | 67.6% |
| ProgramBench | – | 0.0% |
| Public Benefits Bench | – | 56.6% |
| SAGE | – | 48.7% |
| Terminal-Bench 4.0 (Vals) | – | 4.5% |
| Terminal-Bench Science | – | 1.4% |
| Vals Multimodal Index | – | 65.1% |
| Vibe Code Bench v1.1 | – | 64.0% |
| LMArena Maths | – | 1504 |
| LMArena Creative Writing | – | 1470 |
| LMArena Instruction Following | – | 1473 |
| LMArena Multi-turn | – | 1485 |
| LMArena Longer Queries | – | 1487 |
| LMArena Document | – | 1453 |
| Chess Puzzles | – | 40.0% |
| Mystery Game Puzzles | – | 30.0% |
| DeepSWE | – | 46.7% |
| LMCA | – | 44.9% |
| DTBench | – | 95.5% |
| CursorBench | – | 53.5% |
| ALE-Bench | – | 715.5 |
| GDP.pdf | – | 14.0% |
Data as of 2026-09-19. Best configuration of each model; every score links to its source on the model pages.
DeepSeek V4.1 Flash vs Gemini 3.6 Flash: questions
- Is DeepSeek V4.1 Flash better than Gemini 3.6 Flash?
- DeepSeek V4.1 Flash (max) and Gemini 3.6 Flash (high) are level on quality (61.9 vs 61.7). The BenchLeader Index combines every independent quality benchmark; DeepSeek V4.1 Flash (max) is ahead overall as of 2026-09-19, but check the category scores for your use.
- Is DeepSeek V4.1 Flash better than Gemini 3.6 Flash for coding?
- DeepSeek V4.1 Flash scores higher in coding (69 vs 59 on the category index, where 50 is average).
- Is DeepSeek V4.1 Flash better than Gemini 3.6 Flash for agentic tasks?
- DeepSeek V4.1 Flash scores higher in agentic tasks (60 vs 54 on the category index, where 50 is average).
- Which is cheaper, DeepSeek V4.1 Flash or Gemini 3.6 Flash?
- DeepSeek V4.1 Flash is cheaper: $0.262 against $1.50 per million tokens, blended at three input tokens per output token.
- Which is faster, DeepSeek V4.1 Flash or Gemini 3.6 Flash?
- DeepSeek V4.1 Flash streams faster: 215 against 186 output tokens per second.
- Which has the larger context window?
- Gemini 3.6 Flash accepts more context: 1.0M against 1M tokens.