Model comparison
Muse Spark 1.2 vs o1-pro
Muse Spark 1.2 is the stronger model overall, scoring 50.3 to 31.5 on the Noometry Index.
Last verified . 0 shared benchmarks.
MetaSummary
- The widest gap is in reasoning, where Muse Spark 1.2 leads 51.3 to 20.4.
- Muse Spark 1.2 is cheaper at $1.25 / $4.25 per million input/output tokens, against $150 / $600 for o1-pro.
- Muse Spark 1.2 accepts more context: 1.05M tokens versus 200K.
Side by side
| Muse Spark 1.2 | o1-pro | |
|---|---|---|
| Provider | Meta | OpenAI |
| Noometry Index | 50.3 | 31.5 |
| Released | 2026-08-05 | 2025-03-19 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | 200K |
| Max output | 131K | 100K |
| Input $ / M tokens | $1.25 | $150 |
| Output $ / M tokens | $4.25 | $600 |
| Results tracked | 31 | 3 |
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Category by category
Coding Not comparable
Muse Spark 1.2: 49.2 (#51), o1-pro: —
| Benchmark | Muse Spark 1.2 | o1-pro |
|---|---|---|
| DeepSWE | 54.9% | — |
| LMArena WebDev | 1533 | — |
| FrontierSWE | 12% | — |
| SciCode | 56.4% | — |
| WeirdML | 60.3% | — |
| LMArena Coding | 1495 | — |
Agentic & Tool Use Not comparable
Muse Spark 1.2: 29.4 (#87), o1-pro: —
| Benchmark | Muse Spark 1.2 | o1-pro |
|---|---|---|
| APEX-Agents | 36.4% | — |
| GDP.pdf | 16% | — |
Reasoning Muse Spark 1.2 leads
Muse Spark 1.2: 51.3 (#34), o1-pro: 20.4 (#239)
| Benchmark | Muse Spark 1.2 | o1-pro |
|---|---|---|
| SimpleBench | 74.5% | — |
| NYT Connections (extended) | 79.2% | — |
| ARC-AGI-1 | — | 23.3% |
| CritPt | 17.7% | — |
| EnigmaEval | — | 6.1% |
| LMArena Hard Prompts | 1486 | — |
| DTBench | 94.7% | — |
| LMCA | 48.4% | — |
| Epoch Capabilities Index | 154.87 | — |
Math Not comparable
Muse Spark 1.2: 46.4 (#70), o1-pro: —
| Benchmark | Muse Spark 1.2 | o1-pro |
|---|---|---|
| ProofBench | 43% | — |
| LMArena Math | 1471 | — |
Knowledge Muse Spark 1.2 leads
Muse Spark 1.2: 54.1 (#53), o1-pro: 29.7 (#234)
| Benchmark | Muse Spark 1.2 | o1-pro |
|---|---|---|
| Humanity's Last Exam | — | 8.1% |
| SimpleQA Verified | 60.3% | — |
| LMArena Expert | 1480 | — |
Multimodal Not comparable
Muse Spark 1.2: 43.4 (#25), o1-pro: —
| Benchmark | Muse Spark 1.2 | o1-pro |
|---|---|---|
| LMArena Vision | 1305 | — |
Multilingual Not comparable
Muse Spark 1.2: 57.1 (#11), o1-pro: —
| Benchmark | Muse Spark 1.2 | o1-pro |
|---|---|---|
| LMArena Non-English | 1478 | — |
| LMArena Chinese | 1511 | — |
| LMArena French | 1513 | — |
| LMArena Russian | 1487 | — |
| LMArena Spanish | 1498 | — |
Instruction Following Not comparable
Muse Spark 1.2: 76.7 (#36), o1-pro: —
| Benchmark | Muse Spark 1.2 | o1-pro |
|---|---|---|
| LMArena Instruction Following | 1461 | — |
Long Context Not comparable
Muse Spark 1.2: 45.2 (#48), o1-pro: —
| Benchmark | Muse Spark 1.2 | o1-pro |
|---|---|---|
| LMArena Longer Query | 1475 | — |
Writing & Preference Not comparable
Muse Spark 1.2: 72.3 (#14), o1-pro: —
| Benchmark | Muse Spark 1.2 | o1-pro |
|---|---|---|
| LMArena Text | 1482 | — |
| LMArena Creative Writing | 1449 | — |
| EQ-Bench Creative Writing | 1840 | — |
| LMArena Multi-Turn | 1494 | — |
Frequently asked questions
Is Muse Spark 1.2 better than o1-pro?
Muse Spark 1.2 is the stronger model overall, scoring 50.3 to 31.5 on the Noometry Index.
Which is cheaper, Muse Spark 1.2 or o1-pro?
Muse Spark 1.2 is cheaper. It lists at $1.25 per million input tokens and $4.25 per million output tokens; o1-pro lists at $150 and $600.
Which has the bigger context window?
Muse Spark 1.2 does, with 1.05M tokens against 200K.
How many benchmarks do Muse Spark 1.2 and o1-pro share?
0 benchmarks have published results for both models. Muse Spark 1.2 has 31 scored results on Noometry and o1-pro has 3.