DeepSeek V4 Pro vs Muse Spark 1.2
DeepSeek V4 Pro 
Muse Spark 1.2 Verdict
- DeepSeek V4 Pro (max) and Muse Spark 1.2 (xhigh) are level on quality (64.2 vs 64.1).
- DeepSeek V4 Pro (max) is stronger in agents & tools, coding, composite, instruction following, long context, maths.
- Muse Spark 1.2 (xhigh) is stronger in knowledge, reasoning, human preference, multimodal.
- DeepSeek V4 Pro (max) is 3.7× cheaper ($0.544 vs $2.00 per 1M blended).
- Muse Spark 1.2 (xhigh) streams 2.6× faster (207 vs 81 tokens per second).
| Metric | DeepSeek V4 Pro (max) | Muse Spark 1.2 (xhigh) |
|---|---|---|
| BenchLeader Index | 64.2 | 64.1 |
| Agents & tools score | 70.2 | 57.5 |
| Coding score | 58.8 | 57.2 |
| Composite score | 75.0 | 69.9 |
| Instruction following score | 74.3 | – |
| Knowledge score | 58.1 | 67.9 |
| Long context score | 66.6 | 65.9 |
| Maths score | 53.7 | – |
| Reasoning score | 70.9 | 73.8 |
| Human preference score | – | 70.6 |
| Multimodal score | – | 66.0 |
| Blended price $/M | $0.544 | $2.00 |
| Output speed | 81 tok/s | 207 tok/s |
| Time to first answer | 55.6 s | 22.3 s |
| Context window | 1M | 1.0M |
| GPQA Diamond | 89.7% | – |
| FrontierMath Tiers 1–3 | 45.3% | – |
| FrontierMath Tier 4 | 2.4% | – |
| OTIS Mock AIME | 96.7% | – |
| SWE-bench Verified (Epoch) | 77.6% | – |
| SimpleQA Verified | 47.0% | 60.3% |
| SciCode | 50.0% | 56.4% |
| WeirdML | 48.9% | 60.3% |
| ProofBench | 16.0% | – |
| LMArena Text | – | 1500 |
| LMArena Hard Prompts | – | 1513 |
| LMArena Coding | – | 1536 |
| LMArena WebDev | – | 1534 |
| LMArena Vision | – | 1304 |
| LMArena Agent | – | -1.8 |
| LiveBench | – | 78.0% |
| LiveBench Reasoning | – | 90.0% |
| LiveBench Coding | – | 77.5% |
| LiveBench Agentic Coding | – | 57.6% |
| LiveBench Mathematics | – | 91.2% |
| LiveBench Data Analysis | – | 76.5% |
| LiveBench Language | – | 78.6% |
| LiveBench Instruction Following | – | 74.3% |
| AA Intelligence Index | 36.3 | 39.8 |
| IFBench | 76.5% | – |
| AA-LCR | 80.3% | 79.0% |
| AA-Omniscience | 0.8 | 27.2 |
| Terminal-Bench Hard | 46.2% | – |
| GPQA Diamond (AA) | 92.8% | 90.4% |
| Humanity's Last Exam (AA) | 41.0% | 45.5% |
| SciCode (AA) | 51.0% | 57.4% |
| τ²-Bench Telecom (AA) | 96.2% | – |
| LiveCodeBench | 87.5% | – |
| MMLU-Pro | 87.3% | 88.3% |
| IOI | – | 21.8% |
| LegalBench | 80.3% | 85.3% |
| CorpFin | 61.4% | 70.9% |
| TaxEval | 72.1% | 80.4% |
| Terminal-Bench 2.1 (Vals) | – | 69.7% |
| SWE-bench (Vals) | 77.4% | 86.6% |
| GPQA Diamond (Vals) | 89.4% | – |
| Vals Index | 42.9 | 57.0 |
| AIME 2026 | 96.7% | – |
| HMMT February 2026 | 93.9% | – |
| MathArena Apex | 28.1% | – |
| CritPt | 18.0% | 17.7% |
| GDPval (AA) | 49.7% | 51.2% |
| τ²-Bench Banking (AA) | 39.6% | 34.9% |
| ITBench SRE (AA) | 38.3% | – |
| Analyst Agent (AA) | 18.8% | – |
| APEX-Agents (AA) | 24.3% | – |
| BioMysteryBench | – | 64.8% |
| CaseLaw v2 | 59.4% | – |
| Code Migration | 26.2% | 29.9% |
| Excel Modeling Benchmark | 51.6% | 57.0% |
| Finance Agent v2 | 44.1% | 60.6% |
| Harvey's Legal Agent Benchmark | 3.8% | 25.4% |
| Legal Research Bench | 23.1% | 43.8% |
| MedCode | 40.5% | 49.4% |
| MedScribe | 75.1% | 90.1% |
| MMMU-Pro (Vals) | – | 86.1% |
| MortgageTax | – | 65.4% |
| ProgramBench | 0.0% | – |
| Public Benefits Bench | 62.9% | 68.5% |
| SAGE | – | 47.7% |
| SkillsBench | 51.3% | 53.0% |
| Terminal-Bench 4.0 (Vals) | – | 5.6% |
| Vibe Code Bench v1.1 | 49.9% | 79.1% |
| LMArena Creative Writing | – | 1452 |
| LMArena Instruction Following | – | 1480 |
| LMArena Multi-turn | – | 1520 |
| LMArena Longer Queries | – | 1502 |
| Chess Puzzles | 20.0% | – |
| DeepSWE | – | 54.9% |
| LMCA | 41.2% | 48.4% |
| DTBench | 90.7% | 94.7% |
| GDP.pdf | – | 16.0% |
| FrontierSWE | – | 12.0% |
Data as of 2026-09-19. Best configuration of each model; every score links to its source on the model pages.
DeepSeek V4 Pro vs Muse Spark 1.2: questions
- Is DeepSeek V4 Pro better than Muse Spark 1.2?
- DeepSeek V4 Pro (max) and Muse Spark 1.2 (xhigh) are level on quality (64.2 vs 64.1). The BenchLeader Index combines every independent quality benchmark; DeepSeek V4 Pro (max) is ahead overall as of 2026-09-19, but check the category scores for your use.
- Is DeepSeek V4 Pro better than Muse Spark 1.2 for coding?
- DeepSeek V4 Pro scores higher in coding (59 vs 57 on the category index, where 50 is average).
- Is DeepSeek V4 Pro better than Muse Spark 1.2 for agentic tasks?
- DeepSeek V4 Pro scores higher in agentic tasks (70 vs 58 on the category index, where 50 is average).
- Which is cheaper, DeepSeek V4 Pro or Muse Spark 1.2?
- DeepSeek V4 Pro is cheaper: $0.544 against $2.00 per million tokens, blended at three input tokens per output token.
- Which is faster, DeepSeek V4 Pro or Muse Spark 1.2?
- Muse Spark 1.2 streams faster: 207 against 81 output tokens per second.
- Which has the larger context window?
- Muse Spark 1.2 accepts more context: 1.0M against 1M tokens.