# Amazon Nova Experimental Chat 10 20 vs Nova 2.0 Pro Preview

> Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 41.5 to 32.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-10-20-vs-nova-2-0-pro-preview
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where Amazon Nova Experimental Chat 10 20 leads 27.3 to 21.7.

## Snapshot

| | Amazon Nova Experimental Chat 10 20 | Nova 2.0 Pro Preview |
|---|---|---|
| Provider | Amazon | Amazon |
| Noometry Index | 41.5 | 32.8 |
| Rank | 122 | 241 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Amazon Nova Experimental Chat 10 20: 41.0 (#123)
- Nova 2.0 Pro Preview: 40.2 (#130)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Nova 2.0 Pro Preview |
|---|---|---|
| SciCode | — | 42.7% |
| LMArena Coding | 1413 | — |

## Agentic & Tool Use

- Amazon Nova Experimental Chat 10 20: —
- Nova 2.0 Pro Preview: 21.9 (#127)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Nova 2.0 Pro Preview |
|---|---|---|
| GDP.pdf | — | 2% |

## Reasoning

- Amazon Nova Experimental Chat 10 20: 27.3 (#110)
- Nova 2.0 Pro Preview: 21.7 (#189)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Nova 2.0 Pro Preview |
|---|---|---|
| CritPt | — | 0% |
| LMArena Hard Prompts | 1396 | — |

## Math

- Amazon Nova Experimental Chat 10 20: 36.2 (#121)
- Nova 2.0 Pro Preview: —

| Benchmark | Amazon Nova Experimental Chat 10 20 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Math | 1425 | — |

## Knowledge

- Amazon Nova Experimental Chat 10 20: 37.8 (#142)
- Nova 2.0 Pro Preview: —

| Benchmark | Amazon Nova Experimental Chat 10 20 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Expert | 1385 | — |

## Multilingual

- Amazon Nova Experimental Chat 10 20: 49.7 (#127)
- Nova 2.0 Pro Preview: —

| Benchmark | Amazon Nova Experimental Chat 10 20 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Non-English | 1372 | — |
| 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)
- Nova 2.0 Pro Preview: —

| Benchmark | Amazon Nova Experimental Chat 10 20 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Instruction Following | 1365 | — |

## Long Context

- Amazon Nova Experimental Chat 10 20: 41.7 (#128)
- Nova 2.0 Pro Preview: —

| Benchmark | Amazon Nova Experimental Chat 10 20 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Longer Query | 1370 | — |

## Writing & Preference

- Amazon Nova Experimental Chat 10 20: 56.9 (#131)
- Nova 2.0 Pro Preview: —

| Benchmark | Amazon Nova Experimental Chat 10 20 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Text | 1394 | — |
| LMArena Creative Writing | 1318 | — |
| LMArena Multi-Turn | 1364 | — |

## FAQ

### Is Amazon Nova Experimental Chat 10 20 better than Nova 2.0 Pro Preview?

Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 41.5 to 32.8 on the Noometry Index.

### Is Amazon Nova Experimental Chat 10 20 or Nova 2.0 Pro Preview better for coding?

They score almost the same on coding (41.0 vs 40.2); test both on your own repository before choosing.

### How many benchmarks do Amazon Nova Experimental Chat 10 20 and Nova 2.0 Pro Preview share?

0 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and Nova 2.0 Pro Preview has 3.