# Amazon Nova Experimental Chat 10 09 vs Mercury

> Amazon Nova Experimental Chat 10 09 is the stronger model overall, scoring 41.9 to 37.6 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-10-09-vs-mercury
- Last updated: 2026-10-12
- Shared benchmarks: 8

## Summary

- They share 8 benchmarks with published results for both. Amazon Nova Experimental Chat 10 09 scores higher in 6 categories and Mercury in 0 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Amazon Nova Experimental Chat 10 09 leads 27.3 to 17.5.

## Snapshot

| | Amazon Nova Experimental Chat 10 09 | Mercury |
|---|---|---|
| Provider | Amazon | Inception |
| Noometry Index | 41.9 | 37.6 |
| Rank | 126 | 199 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Amazon Nova Experimental Chat 10 09: 40.2 (#145)
- Mercury: 38.7 (#170)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Mercury |
|---|---|---|
| LMArena Coding | 1370 | 1322 |

## Reasoning

- Amazon Nova Experimental Chat 10 09: 27.3 (#120)
- Mercury: 17.5 (#293)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Mercury |
|---|---|---|
| LMArena Hard Prompts | 1356 | 1285 |
| Kagi LLM Benchmark | — | 21.6% |

## Multilingual

- Amazon Nova Experimental Chat 10 09: 47.3 (#150)
- Mercury: 41.6 (#206)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Mercury |
|---|---|---|
| LMArena Non-English | 1340 | 1260 |
| LMArena Chinese | 1341 | — |

## Instruction Following

- Amazon Nova Experimental Chat 10 09: 69.4 (#172)
- Mercury: 65.2 (#224)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Mercury |
|---|---|---|
| LMArena Instruction Following | 1315 | 1239 |

## Long Context

- Amazon Nova Experimental Chat 10 09: 40.5 (#152)
- Mercury: 38.4 (#198)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Mercury |
|---|---|---|
| LMArena Longer Query | 1333 | 1266 |

## Writing & Preference

- Amazon Nova Experimental Chat 10 09: 54.7 (#149)
- Mercury: 46.2 (#221)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Mercury |
|---|---|---|
| LMArena Text | 1364 | 1282 |
| LMArena Creative Writing | 1307 | 1191 |
| LMArena Multi-Turn | 1355 | 1282 |

## FAQ

### Is Amazon Nova Experimental Chat 10 09 better than Mercury?

Amazon Nova Experimental Chat 10 09 is the stronger model overall, scoring 41.9 to 37.6 on the Noometry Index.

### Is Amazon Nova Experimental Chat 10 09 or Mercury better for coding?

Amazon Nova Experimental Chat 10 09 scores higher on coding benchmarks: 40.2 versus 38.7 in the Noometry coding category.

### How many benchmarks do Amazon Nova Experimental Chat 10 09 and Mercury share?

8 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 09 has 9 scored results on Noometry and Mercury has 9.