DeepSeek V4.1 Flash vs Muse Spark 1.3
DeepSeek V4.1 Flash 
Muse Spark 1.3 Verdict
- Muse Spark 1.3 (max) leads on quality: 69.3 vs 61.9.
- DeepSeek V4.1 Flash (max) is stronger in coding, long context.
- Muse Spark 1.3 (max) is stronger in agents & tools, composite, knowledge, multimodal, reasoning, human preference, 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 1.3 (max) |
|---|---|---|
| BenchLeader Index | 61.9 | 69.3 |
| Agents & tools score | 59.6 | 71.1 |
| Coding score | 68.9 | 66.6 |
| Composite score | 74.5 | 90.1 |
| Knowledge score | 61.7 | 76.1 |
| Long context score | 68.5 | 68.0 |
| Multimodal score | 61.4 | 67.4 |
| Reasoning score | 69.5 | 83.1 |
| Human preference score | – | 69.8 |
| Maths score | – | 69.2 |
| Blended price $/M | $0.262 | $2.00 |
| Output speed | 215 tok/s | 223 tok/s |
| Time to first answer | 10.5 s | 34.8 s |
| Context window | 1M | 1.0M |
| LMArena Text | – | 1493 |
| LMArena Hard Prompts | – | 1516 |
| LMArena Coding | – | 1537 |
| LMArena WebDev | 1614 | 1652 |
| LMArena Vision | – | 1315 |
| LMArena Agent | 4.9 | 4.2 |
| 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 | 48.2 |
| AA-LCR | 84.0% | 83.0% |
| MMMU-Pro | 77.0% | – |
| AA-Omniscience | -5.3 | 25 |
| GPQA Diamond (AA) | – | 93.5% |
| Humanity's Last Exam (AA) | 39.3% | 48.7% |
| SciCode (AA) | 51.9% | 58.8% |
| IOI | – | 56.6% |
| Terminal-Bench 2.1 (Vals) | – | 79.0% |
| Vals Index | – | 64.5 |
| CritPt | 14.3% | 24.9% |
| GDPval (AA) | 56.6% | 60.2% |
| τ²-Bench Banking (AA) | – | 50.5% |
| Code Migration | – | 47.4% |
| Excel Modeling Benchmark | – | 67.4% |
| Finance Agent v2 | – | 60.0% |
| Harvey's Legal Agent Benchmark | – | 23.8% |
| Legal Research Bench | – | 55.3% |
| MysteryMechanism | – | 36.0% |
| Terminal-Bench 4.0 (Vals) | – | 27.8% |
| Terminal-Bench Science | – | 14.3% |
| Vibe Code Bench 1-100 | – | 20.5% |
| Vibe Code Bench v1.1 | – | 85.9% |
| LMArena Maths | – | 1496 |
| LMArena Creative Writing | – | 1453 |
| LMArena Instruction Following | – | 1483 |
| LMArena Multi-turn | – | 1493 |
| LMArena Longer Queries | – | 1506 |
| LMArena Document | – | 1468 |
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 1.3: questions
- Is DeepSeek V4.1 Flash better than Muse Spark 1.3?
- Muse Spark 1.3 (max) leads on quality: 69.3 vs 61.9. The BenchLeader Index combines every independent quality benchmark; Muse Spark 1.3 (max) 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 1.3 for coding?
- DeepSeek V4.1 Flash scores higher in coding (69 vs 67 on the category index, where 50 is average).
- Is DeepSeek V4.1 Flash better than Muse Spark 1.3 for agentic tasks?
- Muse Spark 1.3 scores higher in agentic tasks (71 vs 60 on the category index, where 50 is average).
- Which is cheaper, DeepSeek V4.1 Flash or Muse Spark 1.3?
- 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 1.3?
- Muse Spark 1.3 streams faster: 223 against 215 output tokens per second.
- Which has the larger context window?
- Muse Spark 1.3 accepts more context: 1.0M against 1M tokens.