Muse Spark vs o3
Muse Spark 
o3 Verdict
- Muse Spark leads on quality: 65.6 vs 60.4.
- Muse Spark is stronger in coding, composite, human preference, instruction following, knowledge, long context, maths, multimodal, reasoning.
- o3 is stronger in agents & tools.
| Metric | Muse Spark | o3 |
|---|---|---|
| BenchLeader Index | 65.6 | 60.4 |
| Agents & tools score | 66.4 | 70.3 |
| Coding score | 66.2 | 62.0 |
| Composite score | 68.6 | 54.5 |
| Human preference score | 69.3 | 62.4 |
| Instruction following score | 79.7 | 69.8 |
| Knowledge score | 64.6 | 57.9 |
| Long context score | 65.5 | 63.8 |
| Maths score | 56.4 | – |
| Multimodal score | 65.9 | 57.9 |
| Reasoning score | 70.2 | 61.6 |
| Blended price $/M | – | $3.50 |
| Output speed | – | 101 tok/s |
| Time to first answer | – | 7.7 s |
| Context window | 262k | 200k |
| GPQA Diamond | 89.8% | – |
| OTIS Mock AIME | 88.9% | – |
| Humanity's Last Exam | 40.6% | – |
| SciCode | 51.5% | – |
| ProofBench | 17.0% | – |
| Epoch Capabilities Index | 152.1 | 146.9 |
| LMArena Text | 1488 | 1431 |
| LMArena Hard Prompts | 1505 | 1441 |
| LMArena Coding | 1526 | 1460 |
| LMArena Vision | 1306 | 1214 |
| AA Intelligence Index | 31.3 | 20.2 |
| IFBench | 75.9% | 71.4% |
| AA-LCR | 78.0% | 74.7% |
| MMMU-Pro | 80.5% | 70.1% |
| AA-Omniscience | 7.2 | -15.6 |
| Terminal-Bench Hard | 45.5% | 37.1% |
| GPQA Diamond (AA) | 88.4% | 82.7% |
| Humanity's Last Exam (AA) | 40.7% | 20.1% |
| τ²-Bench Telecom (AA) | 91.5% | 80.7% |
| AIME (Vals) | 96.9% | – |
| MMLU-Pro | 87.3% | – |
| LegalBench | 84.2% | – |
| CorpFin | 65.1% | – |
| TaxEval | 77.7% | – |
| SWE-bench (Vals) | 74.4% | – |
| GPQA Diamond (Vals) | 89.7% | – |
| SWE-Bench Pro | 55.0% | – |
| MCP Atlas | 82.2% | – |
| MultiChallenge | 75.5% | – |
| PRBench Finance | 52.4% | 47.7% |
| PRBench Legal | 52.3% | 48.6% |
| MultiNRC | 59.0% | – |
| TutorBench | 68.5% | – |
| MMMU (validation) | – | 82.9% |
| MMMU-Pro (official) | – | 76.4% |
| Kagi LLM Benchmark | – | 67.6% |
| Aider Polyglot | – | 81.3% |
| SWE-bench Verified (bash only) | – | 58.4% |
| SWE-bench Verified (any scaffold) | – | 58.4% |
| BFCL Overall | – | 63.0% |
Data as of 2026-09-10. Best configuration of each model; every score links to its source on the model pages.
Muse Spark vs o3: questions
- Is Muse Spark better than o3?
- Muse Spark leads on quality: 65.6 vs 60.4. The BenchLeader Index combines every independent quality benchmark; Muse Spark is ahead overall as of 2026-09-10, but check the category scores for your use.
- Is Muse Spark better than o3 for coding?
- Muse Spark scores higher in coding (66 vs 62 on the category index, where 50 is average).
- Is Muse Spark better than o3 for agentic tasks?
- o3 scores higher in agentic tasks (70 vs 66 on the category index, where 50 is average).
- Which has the larger context window?
- Muse Spark accepts more context: 262k against 200k tokens.