DeepSeek V4.1 Flash vs Muse Spark 1.1
DeepSeek V4.1 Flash 
Muse Spark 1.1 Verdict
- Muse Spark 1.1 leads on quality: 65.2 vs 61.9.
- DeepSeek V4.1 Flash (max) is stronger in coding, composite, long context, reasoning.
- Muse Spark 1.1 is stronger in agents & tools, knowledge, multimodal, human preference, instruction following, maths.
- DeepSeek V4.1 Flash (max) is 7.6× cheaper ($0.262 vs $2.00 per 1M blended).
| Metric | DeepSeek V4.1 Flash (max) | Muse Spark 1.1 |
|---|---|---|
| BenchLeader Index | 61.9 | 65.2 |
| Agents & tools score | 59.6 | 62.6 |
| Coding score | 68.9 | 68.0 |
| Composite score | 74.5 | – |
| Knowledge score | 61.7 | 70.5 |
| Long context score | 68.5 | – |
| Multimodal score | 61.4 | 64.8 |
| Reasoning score | 69.5 | 69.2 |
| Human preference score | – | 66.2 |
| Instruction following score | – | 77.8 |
| Maths score | – | 62.7 |
| Blended price $/M | $0.262 | $2.00 |
| Output speed | 215 tok/s | 210 tok/s |
| Time to first answer | 10.5 s | 2.9 s |
| Context window | 1M | 1.0M |
| SimpleQA Verified | – | 57.8% |
| SciCode | – | 58.2% |
| APEX-Agents | – | 41.9% |
| ProofBench | – | 39.0% |
| Epoch Capabilities Index | – | 154.6 |
| LMArena Text | – | 1493 |
| LMArena Hard Prompts | – | 1513 |
| LMArena Coding | – | 1531 |
| LMArena WebDev | 1614 | 1542 |
| LMArena Vision | – | 1294 |
| LMArena Agent | 4.9 | -3 |
| LiveBench | 81.1% | – |
| LiveBench Reasoning | 86.7% | – |
| LiveBench Coding | 80.0% | – |
| LiveBench Agentic Coding | 77.3% | – |
| LiveBench Mathematics | 93.3% | – |
| LiveBench Data Analysis | 79.3% | – |
| LiveBench Language | 81.2% | – |
| LiveBench Instruction Following | 70.0% | – |
| AA Intelligence Index | 39.5 | – |
| AA-LCR | 84.0% | – |
| MMMU-Pro | 77.0% | – |
| AA-Omniscience | -5.3 | – |
| Humanity's Last Exam (AA) | 39.3% | – |
| SciCode (AA) | 51.9% | – |
| SWE-Bench Pro | – | 61.5% |
| MCP Atlas | – | 88.1% |
| MultiChallenge | – | 75.3% |
| PRBench Finance | – | 55.0% |
| PRBench Legal | – | 57.0% |
| MultiNRC | – | 65.6% |
| EQ-Bench 4 | – | 1260 |
| CritPt | 14.3% | – |
| GDPval (AA) | 56.6% | – |
| FORTRESS | – | 12.4% |
| SWE-Bench Pro (private) | – | 51.5% |
| VTB | – | 44.8% |
| LMArena Maths | – | 1486 |
| LMArena Creative Writing | – | 1451 |
| LMArena Instruction Following | – | 1471 |
| LMArena Multi-turn | – | 1497 |
| LMArena Longer Queries | – | 1481 |
| LMArena Document | – | 1480 |
| DeepSWE | – | 53.3% |
| GBAEval | – | 7.9% |
| Vending-Bench 2 | – | 6520.5 |
| GDP.pdf | – | 15.0% |
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 Muse Spark 1.1: questions
- Is DeepSeek V4.1 Flash better than Muse Spark 1.1?
- Muse Spark 1.1 leads on quality: 65.2 vs 61.9. The BenchLeader Index combines every independent quality benchmark; Muse Spark 1.1 is ahead overall as of 2026-09-19, but check the category scores for your use.
- Is DeepSeek V4.1 Flash better than Muse Spark 1.1 for coding?
- DeepSeek V4.1 Flash scores higher in coding (69 vs 68 on the category index, where 50 is average).
- Is DeepSeek V4.1 Flash better than Muse Spark 1.1 for agentic tasks?
- Muse Spark 1.1 scores higher in agentic tasks (63 vs 60 on the category index, where 50 is average).
- Which is cheaper, DeepSeek V4.1 Flash or Muse Spark 1.1?
- DeepSeek V4.1 Flash is cheaper: $0.262 against $2.00 per million tokens, blended at three input tokens per output token.
- Which is faster, DeepSeek V4.1 Flash or Muse Spark 1.1?
- DeepSeek V4.1 Flash streams faster: 215 against 210 output tokens per second.
- Which has the larger context window?
- Muse Spark 1.1 accepts more context: 1.0M against 1M tokens.