GPT-5.2 vs Muse Spark 1.1
GPT-5.2 
Muse Spark 1.1 Verdict
- Muse Spark 1.1 leads on quality: 65.0 vs 61.6.
- GPT-5.2 is stronger in human preference, long context.
- Muse Spark 1.1 is stronger in agents & tools, coding, composite, instruction following, knowledge, multimodal, reasoning, maths.
- Muse Spark 1.1 is 2.4× cheaper ($2.00 vs $4.81 per 1M blended).
- Muse Spark 1.1 streams 2.8× faster (194 vs 68 tokens per second).
| Metric | GPT-5.2 | Muse Spark 1.1 |
|---|---|---|
| BenchLeader Index | 61.6 | 65.0 |
| Agents & tools score | 61.2 | 62.7 |
| Coding score | 53.7 | 68.1 |
| Composite score | 67.5 | 72.3 |
| Human preference score | 67.9 | 66.3 |
| Instruction following score | 67.4 | 77.8 |
| Knowledge score | 61.1 | 73.2 |
| Long context score | 67.9 | 65.4 |
| Multimodal score | 59.9 | 65.0 |
| Reasoning score | 61.3 | 69.2 |
| Maths score | – | 52.2 |
| Blended price $/M | $4.81 | $2.00 |
| Output speed | 68 tok/s | 194 tok/s |
| Time to first answer | 129.4 s | 2.6 s |
| Context window | 400k | 1.0M |
| SimpleQA Verified | – | 57.8% |
| Humanity's Last Exam | 27.8% | – |
| Terminal-Bench | 64.9% | – |
| SimpleBench | 45.8% | – |
| SciCode | – | 58.2% |
| Remote Labor Index | 2.1% | – |
| APEX-Agents | 23.0% | 41.9% |
| ProofBench | – | 39.0% |
| Epoch Capabilities Index | 153.5 | 154.6 |
| LMArena Text | 1476 | 1492 |
| LMArena Hard Prompts | 1497 | 1511 |
| LMArena Coding | 1515 | 1531 |
| LMArena WebDev | 1417 | 1541 |
| LMArena Vision | 1268 | 1293 |
| LMArena Agent | – | -2.6 |
| AA Intelligence Index | 30.4 | 34.3 |
| IFBench | 75.4% | – |
| AA-LCR | 82.7% | 77.7% |
| AA-Omniscience | -0.9 | 28.1 |
| Terminal-Bench Hard | 47.0% | – |
| GPQA Diamond (AA) | 90.3% | 89.8% |
| Humanity's Last Exam (AA) | 37.7% | 46.2% |
| SciCode (AA) | – | 58.8% |
| τ²-Bench Telecom (AA) | 84.8% | – |
| SWE-Bench Pro | 29.9% | 61.5% |
| MCP Atlas | – | 88.1% |
| MultiChallenge | – | 75.3% |
| PRBench Finance | – | 55.0% |
| PRBench Legal | – | 57.0% |
| VISTA | 46.6% | – |
| MultiNRC | 42.2% | 65.6% |
| TutorBench | 53.5% | – |
| EQ-Bench 4 | – | 1260 |
| Kagi LLM Benchmark | 73.3% | – |
| SWE-bench Verified (bash only) | 69.0% | – |
| ARC-AGI-1 | 94.5% | – |
| ARC-AGI-2 | 72.9% | – |
| BFCL Overall | 55.9% | – |
Data as of 2026-09-10. Best configuration of each model; every score links to its source on the model pages.
GPT-5.2 vs Muse Spark 1.1: questions
- Is GPT-5.2 better than Muse Spark 1.1?
- Muse Spark 1.1 leads on quality: 65.0 vs 61.6. The BenchLeader Index combines every independent quality benchmark; Muse Spark 1.1 is ahead overall as of 2026-09-10, but check the category scores for your use.
- Is GPT-5.2 better than Muse Spark 1.1 for coding?
- Muse Spark 1.1 scores higher in coding (68 vs 54 on the category index, where 50 is average).
- Is GPT-5.2 better than Muse Spark 1.1 for agentic tasks?
- Muse Spark 1.1 scores higher in agentic tasks (63 vs 61 on the category index, where 50 is average).
- Which is cheaper, GPT-5.2 or Muse Spark 1.1?
- Muse Spark 1.1 is cheaper: $2.00 against $4.81 per million tokens, blended at three input tokens per output token.
- Which is faster, GPT-5.2 or Muse Spark 1.1?
- Muse Spark 1.1 streams faster: 194 against 68 output tokens per second.
- Which has the larger context window?
- Muse Spark 1.1 accepts more context: 1.0M against 400k tokens.