Grok 4 vs Muse Spark
Grok 4 
Muse Spark Verdict
- Muse Spark leads on quality: 65.5 vs 58.6.
- Grok 4 is stronger in long context, maths.
- Muse Spark is stronger in agents & tools, coding, composite, human preference, instruction following, knowledge, multimodal, reasoning.
| Metric | Grok 4 | Muse Spark |
|---|---|---|
| BenchLeader Index | 58.6 | 65.5 |
| Agents & tools score | 55.3 | 66.4 |
| Coding score | 61.2 | 66.2 |
| Composite score | 57.4 | 68.6 |
| Human preference score | 59.8 | 69.2 |
| Instruction following score | 62.4 | 79.7 |
| Knowledge score | 58.3 | 64.6 |
| Long context score | 69.0 | 65.5 |
| Maths score | 58.0 | 56.4 |
| Multimodal score | 53.8 | 65.9 |
| Reasoning score | 58.3 | 70.2 |
| Blended price $/M | $1.56 | – |
| Context window | 256k | 262k |
| GPQA Diamond | 87.0% | 89.8% |
| OTIS Mock AIME | 84.0% | 88.9% |
| Humanity's Last Exam | – | 40.6% |
| Terminal-Bench | 27.2% | – |
| SimpleBench | 60.5% | – |
| Fiction.LiveBench 120k | 96.9% | – |
| SciCode | – | 51.5% |
| Cybench | 43.0% | – |
| WeirdML | 45.7% | – |
| APEX-Agents | 15.2% | – |
| ProofBench | – | 17.0% |
| Epoch Capabilities Index | 146.4 | 152.1 |
| LMArena Text | 1411 | 1488 |
| LMArena Hard Prompts | 1420 | 1505 |
| LMArena Coding | 1435 | 1526 |
| LMArena Vision | 1210 | 1306 |
| AA Intelligence Index | 22.5 | 31.3 |
| IFBench | 53.7% | 75.9% |
| AA-LCR | 68.0% | 78.0% |
| MMMU-Pro | 68.8% | 80.5% |
| AA-Omniscience | 2.1 | 7.2 |
| Terminal-Bench Hard | 37.9% | 45.5% |
| GPQA Diamond (AA) | 87.7% | 88.4% |
| Humanity's Last Exam (AA) | 26.7% | 40.7% |
| τ²-Bench Telecom (AA) | 74.8% | 91.5% |
| AIME (Vals) | 90.6% | 96.9% |
| LiveCodeBench | 83.3% | – |
| MMLU-Pro | 85.3% | 87.3% |
| LegalBench | 83.2% | 84.2% |
| CorpFin | 66.0% | 65.1% |
| TaxEval | 65.1% | 77.7% |
| MedQA | 92.5% | – |
| MGSM | 90.9% | – |
| SWE-bench (Vals) | 57.8% | 74.4% |
| GPQA Diamond (Vals) | 88.1% | 89.7% |
| IMO 2025 | 21.4% | – |
| MathArena Apex | 2.1% | – |
| SWE-Bench Pro | – | 55.0% |
| MCP Atlas | – | 82.2% |
| MultiChallenge | – | 75.5% |
| PRBench Finance | – | 52.4% |
| PRBench Legal | – | 52.3% |
| MultiNRC | – | 59.0% |
| TutorBench | – | 68.5% |
| Kagi LLM Benchmark | 73.6% | – |
| IFEval (HELM) | 94.9% | – |
| Omni-MATH (HELM) | 60.3% | – |
| WildBench (HELM) | 79.7% | – |
| MMLU-Pro (HELM) | 85.1% | – |
| GPQA Diamond (HELM) | 72.6% | – |
| HELM Capabilities mean | 78.5% | – |
| Aider Polyglot | 79.6% | – |
| ARC-AGI-1 | 79.6% | – |
| ARC-AGI-2 | 29.4% | – |
| BFCL Overall | 63.0% | – |
Data as of 2026-09-12. Best configuration of each model; every score links to its source on the model pages.
Grok 4 vs Muse Spark: questions
- Is Grok 4 better than Muse Spark?
- Muse Spark leads on quality: 65.5 vs 58.6. The BenchLeader Index combines every independent quality benchmark; Muse Spark is ahead overall as of 2026-09-12, but check the category scores for your use.
- Is Grok 4 better than Muse Spark for coding?
- Muse Spark scores higher in coding (66 vs 61 on the category index, where 50 is average).
- Is Grok 4 better than Muse Spark for agentic tasks?
- Muse Spark scores higher in agentic tasks (66 vs 55 on the category index, where 50 is average).
- Which has the larger context window?
- Muse Spark accepts more context: 262k against 256k tokens.