# Amazon Nova Experimental Chat 10 20 vs Mercury

> Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 41.5 to 37.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-10-20-vs-mercury
- Last updated: 2026-10-10
- Shared benchmarks: 8

## Summary

- They share 8 benchmarks with published results for both. Amazon Nova Experimental Chat 10 20 scores higher in 6 categories and Mercury in 0 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Amazon Nova Experimental Chat 10 20 leads 56.9 to 46.2.

## Snapshot

| | Amazon Nova Experimental Chat 10 20 | Mercury |
|---|---|---|
| Provider | Amazon | Inception |
| Noometry Index | 41.5 | 37.3 |
| Rank | 122 | 192 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Amazon Nova Experimental Chat 10 20: 41.0 (#123)
- Mercury: 38.1 (#164)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Mercury |
|---|---|---|
| LMArena Coding | 1413 | 1323 |

## Reasoning

- Amazon Nova Experimental Chat 10 20: 27.3 (#110)
- Mercury: 16.8 (#288)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Mercury |
|---|---|---|
| LMArena Hard Prompts | 1396 | 1284 |
| Kagi LLM Benchmark | — | 21.6% |

## Math

- Amazon Nova Experimental Chat 10 20: 36.2 (#121)
- Mercury: —

| Benchmark | Amazon Nova Experimental Chat 10 20 | Mercury |
|---|---|---|
| LMArena Math | 1425 | — |

## Knowledge

- Amazon Nova Experimental Chat 10 20: 37.8 (#142)
- Mercury: —

| Benchmark | Amazon Nova Experimental Chat 10 20 | Mercury |
|---|---|---|
| LMArena Expert | 1385 | — |

## Multilingual

- Amazon Nova Experimental Chat 10 20: 49.7 (#127)
- Mercury: 41.7 (#201)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Mercury |
|---|---|---|
| LMArena Non-English | 1372 | 1259 |
| LMArena Chinese | 1405 | — |
| LMArena French | 1426 | — |
| LMArena German | 1391 | — |
| LMArena Japanese | 1355 | — |
| LMArena Korean | 1327 | — |
| LMArena Russian | 1371 | — |
| LMArena Spanish | 1381 | — |

## Instruction Following

- Amazon Nova Experimental Chat 10 20: 72.3 (#136)
- Mercury: 65.3 (#220)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Mercury |
|---|---|---|
| LMArena Instruction Following | 1365 | 1238 |

## Long Context

- Amazon Nova Experimental Chat 10 20: 41.7 (#128)
- Mercury: 38.3 (#193)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Mercury |
|---|---|---|
| LMArena Longer Query | 1370 | 1264 |

## Writing & Preference

- Amazon Nova Experimental Chat 10 20: 56.9 (#131)
- Mercury: 46.2 (#216)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Mercury |
|---|---|---|
| LMArena Text | 1394 | 1282 |
| LMArena Creative Writing | 1318 | 1186 |
| LMArena Multi-Turn | 1364 | 1283 |

## FAQ

### Is Amazon Nova Experimental Chat 10 20 better than Mercury?

Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 41.5 to 37.3 on the Noometry Index.

### Is Amazon Nova Experimental Chat 10 20 or Mercury better for coding?

Amazon Nova Experimental Chat 10 20 scores higher on coding benchmarks: 41.0 versus 38.1 in the Noometry coding category.

### How many benchmarks do Amazon Nova Experimental Chat 10 20 and Mercury share?

8 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and Mercury has 9.