Model comparison
Muse Spark 1.2 vs Nova 2.0 Pro Preview
Muse Spark 1.2 is the stronger model overall, scoring 50.3 to 33.4 on the Noometry Index.
Last verified . 3 shared benchmarks.
MetaSummary
- They share 3 benchmarks with published results for both. Muse Spark 1.2 scores higher in 3 categories and Nova 2.0 Pro Preview in 0 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Muse Spark 1.2 leads 51.3 to 22.4.
- The biggest single-benchmark swing is CritPt: 17.7% for Muse Spark 1.2 and 0% for Nova 2.0 Pro Preview.
Side by side
| Muse Spark 1.2 | Nova 2.0 Pro Preview | |
|---|---|---|
| Provider | Meta | Amazon |
| Noometry Index | 50.3 | 33.4 |
| Released | 2026-08-05 | 2025-12-02 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | — |
| Max output | 131K | — |
| Input $ / M tokens | $1.25 | — |
| Output $ / M tokens | $4.25 | — |
| Results tracked | 31 | 3 |
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Category by category
Coding Muse Spark 1.2 leads
Muse Spark 1.2: 49.2 (#51), Nova 2.0 Pro Preview: 40.8 (#133)
| Benchmark | Muse Spark 1.2 | Nova 2.0 Pro Preview |
|---|---|---|
| SciCode | 56.4% | 42.7% |
| DeepSWE | 54.9% | — |
| LMArena WebDev | 1533 | — |
| FrontierSWE | 12% | — |
| WeirdML | 60.3% | — |
| LMArena Coding | 1495 | — |
Agentic & Tool Use Muse Spark 1.2 leads
Muse Spark 1.2: 29.4 (#87), Nova 2.0 Pro Preview: 21.9 (#136)
| Benchmark | Muse Spark 1.2 | Nova 2.0 Pro Preview |
|---|---|---|
| GDP.pdf | 16% | 2% |
| APEX-Agents | 36.4% | — |
Reasoning Muse Spark 1.2 leads
Muse Spark 1.2: 51.3 (#34), Nova 2.0 Pro Preview: 22.4 (#194)
| Benchmark | Muse Spark 1.2 | Nova 2.0 Pro Preview |
|---|---|---|
| CritPt | 17.7% | 0% |
| SimpleBench | 74.5% | — |
| NYT Connections (extended) | 79.2% | — |
| 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), Nova 2.0 Pro Preview: —
| Benchmark | Muse Spark 1.2 | Nova 2.0 Pro Preview |
|---|---|---|
| ProofBench | 43% | — |
| LMArena Math | 1471 | — |
Knowledge Not comparable
Muse Spark 1.2: 54.1 (#53), Nova 2.0 Pro Preview: —
| Benchmark | Muse Spark 1.2 | Nova 2.0 Pro Preview |
|---|---|---|
| SimpleQA Verified | 60.3% | — |
| LMArena Expert | 1480 | — |
Multimodal Not comparable
Muse Spark 1.2: 43.4 (#25), Nova 2.0 Pro Preview: —
| Benchmark | Muse Spark 1.2 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Vision | 1305 | — |
Multilingual Not comparable
Muse Spark 1.2: 57.1 (#11), Nova 2.0 Pro Preview: —
| Benchmark | Muse Spark 1.2 | Nova 2.0 Pro Preview |
|---|---|---|
| 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), Nova 2.0 Pro Preview: —
| Benchmark | Muse Spark 1.2 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Instruction Following | 1461 | — |
Long Context Not comparable
Muse Spark 1.2: 45.2 (#48), Nova 2.0 Pro Preview: —
| Benchmark | Muse Spark 1.2 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Longer Query | 1475 | — |
Writing & Preference Not comparable
Muse Spark 1.2: 72.3 (#14), Nova 2.0 Pro Preview: —
| Benchmark | Muse Spark 1.2 | Nova 2.0 Pro Preview |
|---|---|---|
| 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 Nova 2.0 Pro Preview?
Muse Spark 1.2 is the stronger model overall, scoring 50.3 to 33.4 on the Noometry Index.
Is Muse Spark 1.2 or Nova 2.0 Pro Preview better for coding?
Muse Spark 1.2 scores higher on coding benchmarks: 49.2 versus 40.8 in the Noometry coding category.
How many benchmarks do Muse Spark 1.2 and Nova 2.0 Pro Preview share?
3 benchmarks have published results for both models. Muse Spark 1.2 has 31 scored results on Noometry and Nova 2.0 Pro Preview has 3.