Model comparison
Amazon Nova Experimental Chat 10 09 vs Muse Spark
Muse Spark is the stronger model overall, scoring 50.3 to 41.4 on the Noometry Index.
Last verified . 9 shared benchmarks.
MetaSummary
- They share 9 benchmarks with published results for both. Amazon Nova Experimental Chat 10 09 scores higher in 0 categories and Muse Spark in 6 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Muse Spark leads 66.2 to 55.0.
Side by side
| Amazon Nova Experimental Chat 10 09 | Muse Spark | |
|---|---|---|
| Provider | Amazon | Meta |
| Noometry Index | 41.4 | 50.3 |
| Released | — | 2026-04-08 |
| Weights | Proprietary | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 9 | 27 |
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Category by category
Coding Muse Spark leads
Amazon Nova Experimental Chat 10 09: 39.6 (#142), Muse Spark: 45.6 (#65)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Muse Spark |
|---|---|---|
| LMArena Coding | 1371 | 1482 |
| SciCode | — | 51.5% |
Reasoning Muse Spark leads
Amazon Nova Experimental Chat 10 09: 26.2 (#122), Muse Spark: 34.9 (#61)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Muse Spark |
|---|---|---|
| LMArena Hard Prompts | 1356 | 1475 |
| CritPt | — | 11.3% |
| Epoch Capabilities Index | — | 152.09 |
Math Not comparable
Amazon Nova Experimental Chat 10 09: —, Muse Spark: 46.8 (#57)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Muse Spark |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 88.9% |
| ProofBench | — | 17% |
| LMArena Math | — | 1455 |
| FrontierMath (Feb 2025 set) | — | 39% |
| FrontierMath Tier 4 (v1) | — | 14.6% |
Knowledge Not comparable
Amazon Nova Experimental Chat 10 09: —, Muse Spark: 65.7 (#12)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Muse Spark |
|---|---|---|
| GPQA Diamond | — | 89.8% |
| Humanity's Last Exam | — | 40.6% |
| LMArena Expert | — | 1458 |
Multimodal Not comparable
Amazon Nova Experimental Chat 10 09: —, Muse Spark: 42.7 (#23)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Muse Spark |
|---|---|---|
| LMArena Vision | — | 1306 |
| LMArena Document | — | 1444 |
Multilingual Muse Spark leads
Amazon Nova Experimental Chat 10 09: 47.5 (#145), Muse Spark: 56.3 (#23)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Muse Spark |
|---|---|---|
| LMArena Non-English | 1341 | 1464 |
| LMArena Chinese | 1345 | 1507 |
| LMArena French | — | 1497 |
| LMArena German | — | 1497 |
| LMArena Korean | — | 1457 |
| LMArena Russian | — | 1467 |
| LMArena Spanish | — | 1471 |
Instruction Following Muse Spark leads
Amazon Nova Experimental Chat 10 09: 69.7 (#167), Muse Spark: 76.1 (#47)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Muse Spark |
|---|---|---|
| LMArena Instruction Following | 1316 | 1443 |
Long Context Muse Spark leads
Amazon Nova Experimental Chat 10 09: 40.6 (#146), Muse Spark: 44.4 (#65)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Muse Spark |
|---|---|---|
| LMArena Longer Query | 1334 | 1451 |
Writing & Preference Muse Spark leads
Amazon Nova Experimental Chat 10 09: 55.0 (#144), Muse Spark: 66.2 (#37)
| Benchmark | Amazon Nova Experimental Chat 10 09 | Muse Spark |
|---|---|---|
| LMArena Text | 1365 | 1474 |
| LMArena Creative Writing | 1307 | 1460 |
| LMArena Multi-Turn | 1354 | 1477 |
Frequently asked questions
Is Amazon Nova Experimental Chat 10 09 better than Muse Spark?
Muse Spark is the stronger model overall, scoring 50.3 to 41.4 on the Noometry Index.
Is Amazon Nova Experimental Chat 10 09 or Muse Spark better for coding?
Muse Spark scores higher on coding benchmarks: 45.6 versus 39.6 in the Noometry coding category.
How many benchmarks do Amazon Nova Experimental Chat 10 09 and Muse Spark share?
9 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 09 has 9 scored results on Noometry and Muse Spark has 27.