Model comparison
Amazon Nova Experimental Chat 26 02 10 vs Muse Spark 1.1
Muse Spark 1.1 is the stronger model overall, scoring 49.9 to 44.5 on the Noometry Index.
Last verified . 12 shared benchmarks.
MetaSummary
- They share 12 benchmarks with published results for both. Amazon Nova Experimental Chat 26 02 10 scores higher in 0 categories and Muse Spark 1.1 in 8 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Muse Spark 1.1 leads 47.1 to 30.1.
Side by side
| Amazon Nova Experimental Chat 26 02 10 | Muse Spark 1.1 | |
|---|---|---|
| Provider | Amazon | Meta |
| Noometry Index | 44.5 | 49.9 |
| Released | — | 2026-04-08 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 131K |
| Input $ / M tokens | — | $1.25 |
| Output $ / M tokens | — | $4.25 |
| Results tracked | 12 | 37 |
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Category by category
Coding Muse Spark 1.1 leads
Amazon Nova Experimental Chat 26 02 10: 43.9 (#82), Muse Spark 1.1: 51.3 (#40)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Muse Spark 1.1 |
|---|---|---|
| LMArena Coding | 1483 | 1498 |
| DeepSWE | — | 53.3% |
| LMArena WebDev | — | 1542 |
| SciCode | — | 58.8% |
Agentic & Tool Use Not comparable
Amazon Nova Experimental Chat 26 02 10: —, Muse Spark 1.1: 30.8 (#73)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Muse Spark 1.1 |
|---|---|---|
| APEX-Agents | — | 31.8% |
| τ²-bench Banking | — | 40.5% |
| GBAEval | — | 7.9% |
| GDP.pdf | — | 15% |
| Vending-Bench 2 | — | 6,520 |
Reasoning Muse Spark 1.1 leads
Amazon Nova Experimental Chat 26 02 10: 30.1 (#86), Muse Spark 1.1: 47.1 (#44)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Muse Spark 1.1 |
|---|---|---|
| LMArena Hard Prompts | 1458 | 1486 |
| NYT Connections (extended) | — | 84.9% |
| CritPt | — | 15.1% |
| DTBench | — | 94.4% |
| LMCA | — | 49.9% |
| Surface Evolver Bench | — | 52.5% |
| Epoch Capabilities Index | — | 154.21 |
Math Muse Spark 1.1 leads
Amazon Nova Experimental Chat 26 02 10: 39.3 (#109), Muse Spark 1.1: 45.5 (#76)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Muse Spark 1.1 |
|---|---|---|
| LMArena Math | 1438 | 1483 |
| ProofBench | — | 39% |
Knowledge Muse Spark 1.1 leads
Amazon Nova Experimental Chat 26 02 10: 42.3 (#97), Muse Spark 1.1: 53.1 (#59)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Muse Spark 1.1 |
|---|---|---|
| LMArena Expert | 1506 | 1478 |
| SimpleQA Verified | — | 57.8% |
Multimodal Not comparable
Amazon Nova Experimental Chat 26 02 10: —, Muse Spark 1.1: 42.6 (#29)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Muse Spark 1.1 |
|---|---|---|
| LMArena Vision | — | 1293 |
| LMArena Document | — | 1465 |
Multilingual Muse Spark 1.1 leads
Amazon Nova Experimental Chat 26 02 10: 54.0 (#50), Muse Spark 1.1: 56.7 (#17)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Muse Spark 1.1 |
|---|---|---|
| LMArena Non-English | 1434 | 1472 |
| LMArena Chinese | 1463 | 1518 |
| LMArena Russian | 1423 | 1483 |
| LMArena French | — | 1494 |
| LMArena German | — | 1466 |
| LMArena Japanese | — | 1451 |
| LMArena Korean | — | 1458 |
| LMArena Spanish | — | 1464 |
Instruction Following Muse Spark 1.1 leads
Amazon Nova Experimental Chat 26 02 10: 75.2 (#69), Muse Spark 1.1: 76.5 (#39)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Muse Spark 1.1 |
|---|---|---|
| LMArena Instruction Following | 1427 | 1457 |
Long Context Too close to call
Amazon Nova Experimental Chat 26 02 10: 44.0 (#77), Muse Spark 1.1: 44.8 (#58)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Muse Spark 1.1 |
|---|---|---|
| LMArena Longer Query | 1441 | 1462 |
Writing & Preference Muse Spark 1.1 leads
Amazon Nova Experimental Chat 26 02 10: 61.8 (#84), Muse Spark 1.1: 73.4 (#11)
| Benchmark | Amazon Nova Experimental Chat 26 02 10 | Muse Spark 1.1 |
|---|---|---|
| LMArena Text | 1448 | 1479 |
| LMArena Creative Writing | 1368 | 1437 |
| LMArena Multi-Turn | 1442 | 1485 |
| EQ-Bench Creative Writing | — | 1927 |
| EQ-Bench 4 | — | 1260 |
Frequently asked questions
Is Amazon Nova Experimental Chat 26 02 10 better than Muse Spark 1.1?
Muse Spark 1.1 is the stronger model overall, scoring 49.9 to 44.5 on the Noometry Index.
Is Amazon Nova Experimental Chat 26 02 10 or Muse Spark 1.1 better for coding?
Muse Spark 1.1 scores higher on coding benchmarks: 51.3 versus 43.9 in the Noometry coding category.
How many benchmarks do Amazon Nova Experimental Chat 26 02 10 and Muse Spark 1.1 share?
12 benchmarks have published results for both models. Amazon Nova Experimental Chat 26 02 10 has 12 scored results on Noometry and Muse Spark 1.1 has 37.