# 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.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-10-09-vs-muse-spark
- Last updated: 2026-10-10
- Shared benchmarks: 9

## Summary

- 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.

## Snapshot

| | Amazon Nova Experimental Chat 10 09 | Muse Spark |
|---|---|---|
| Provider | Amazon | Meta |
| Noometry Index | 41.4 | 50.3 |
| Rank | 124 | 41 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- 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

- 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

- 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

- 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

- 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

- 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

- 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

- 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

- 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 |

## FAQ

### 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.