Model comparison
Muse Spark 1.2 vs o1-mini
Muse Spark 1.2 is the stronger model overall, scoring 50.3 to 34.0 on the Noometry Index.
Last verified . 17 shared benchmarks.
MetaSummary
- They share 17 benchmarks with published results for both. Muse Spark 1.2 scores higher in 9 categories and o1-mini in 0 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Muse Spark 1.2 leads 51.3 to 8.8.
- The biggest single-benchmark swing is SimpleBench: 74.5% for Muse Spark 1.2 and 18.1% for o1-mini.
Side by side
| Muse Spark 1.2 | o1-mini | |
|---|---|---|
| Provider | Meta | OpenAI |
| Noometry Index | 50.3 | 34.0 |
| Released | 2026-08-05 | 2024-09-12 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | — |
| Max output | 131K | — |
| Input $ / M tokens | $1.25 | — |
| Output $ / M tokens | $4.25 | — |
| Results tracked | 31 | 39 |
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Category by category
Coding Muse Spark 1.2 leads
Muse Spark 1.2: 49.2 (#51), o1-mini: 35.5 (#224)
| Benchmark | Muse Spark 1.2 | o1-mini |
|---|---|---|
| WeirdML | 60.3% | 36.3% |
| LMArena Coding | 1495 | 1362 |
| DeepSWE | 54.9% | — |
| Aider Polyglot | — | 32.9% |
| LMArena WebDev | 1533 | — |
| FrontierSWE | 12% | — |
| SciCode | 56.4% | — |
| LiveBench Coding | — | 48% |
| HumanEval+ | — | 89% |
| MBPP+ | — | 78.8% |
Agentic & Tool Use Muse Spark 1.2 leads
Muse Spark 1.2: 29.4 (#87), o1-mini: 24.6 (#118)
| Benchmark | Muse Spark 1.2 | o1-mini |
|---|---|---|
| APEX-Agents | 36.4% | — |
| Cybench | — | 10% |
| GDP.pdf | 16% | — |
Reasoning Muse Spark 1.2 leads
Muse Spark 1.2: 51.3 (#34), o1-mini: 8.8 (#346)
| Benchmark | Muse Spark 1.2 | o1-mini |
|---|---|---|
| SimpleBench | 74.5% | 18.1% |
| LMArena Hard Prompts | 1486 | 1333 |
| Epoch Capabilities Index | 154.87 | 135.82 |
| ARC-AGI-2 | — | 0.8% |
| NYT Connections (extended) | 79.2% | — |
| ARC-AGI-1 | — | 14% |
| CritPt | 17.7% | — |
| LiveBench Reasoning | — | 72.3% |
| DTBench | 94.7% | — |
| LiveBench Data Analysis | — | 57.9% |
| LMCA | 48.4% | — |
| LiveBench | — | 57.8% |
Math Muse Spark 1.2 leads
Muse Spark 1.2: 46.4 (#70), o1-mini: 35.4 (#186)
| Benchmark | Muse Spark 1.2 | o1-mini |
|---|---|---|
| LMArena Math | 1471 | 1358 |
| OTIS Mock AIME 2024-2025 | — | 46.9% |
| ProofBench | 43% | — |
| LiveBench Math | — | 62% |
| MATH Level 5 | — | 89.2% |
| FrontierMath (Feb 2025 set) | — | 1.7% |
Knowledge Muse Spark 1.2 leads
Muse Spark 1.2: 54.1 (#53), o1-mini: 34.9 (#192)
| Benchmark | Muse Spark 1.2 | o1-mini |
|---|---|---|
| LMArena Expert | 1480 | 1316 |
| GPQA Diamond | — | 62.4% |
| SimpleQA Verified | 60.3% | — |
| Confabulations | — | 18.6% |
Multimodal Not comparable
Muse Spark 1.2: 43.4 (#25), o1-mini: —
| Benchmark | Muse Spark 1.2 | o1-mini |
|---|---|---|
| LMArena Vision | 1305 | — |
Multilingual Muse Spark 1.2 leads
Muse Spark 1.2: 57.1 (#11), o1-mini: 43.6 (#182)
| Benchmark | Muse Spark 1.2 | o1-mini |
|---|---|---|
| LMArena Non-English | 1478 | 1289 |
| LMArena Chinese | 1511 | 1314 |
| LMArena French | 1513 | 1293 |
| LMArena Russian | 1487 | 1283 |
| LMArena Spanish | 1498 | 1303 |
| LMArena German | — | 1278 |
| LMArena Japanese | — | 1245 |
| LMArena Korean | — | 1223 |
Instruction Following Muse Spark 1.2 leads
Muse Spark 1.2: 76.7 (#36), o1-mini: 66.7 (#206)
| Benchmark | Muse Spark 1.2 | o1-mini |
|---|---|---|
| LMArena Instruction Following | 1461 | 1304 |
| LiveBench Instruction Following | — | 65.4% |
Long Context Muse Spark 1.2 leads
Muse Spark 1.2: 45.2 (#48), o1-mini: 40.1 (#161)
| Benchmark | Muse Spark 1.2 | o1-mini |
|---|---|---|
| LMArena Longer Query | 1475 | 1320 |
Writing & Preference Muse Spark 1.2 leads
Muse Spark 1.2: 72.3 (#14), o1-mini: 48.4 (#202)
| Benchmark | Muse Spark 1.2 | o1-mini |
|---|---|---|
| LMArena Text | 1482 | 1317 |
| LMArena Creative Writing | 1449 | 1244 |
| LMArena Multi-Turn | 1494 | 1314 |
| Short-Story Creative Writing | — | 64.9% |
| EQ-Bench Creative Writing | 1840 | — |
| LiveBench Language | — | 40.9% |
Frequently asked questions
Is Muse Spark 1.2 better than o1-mini?
Muse Spark 1.2 is the stronger model overall, scoring 50.3 to 34.0 on the Noometry Index.
Is Muse Spark 1.2 or o1-mini better for coding?
Muse Spark 1.2 scores higher on coding benchmarks: 49.2 versus 35.5 in the Noometry coding category.
How many benchmarks do Muse Spark 1.2 and o1-mini share?
17 benchmarks have published results for both models. Muse Spark 1.2 has 31 scored results on Noometry and o1-mini has 39.