# Amazon Nova Experimental Chat 10 09 vs Amazon Nova Pro

> Amazon Nova Experimental Chat 10 09 is the stronger model overall, scoring 41.9 to 31.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-10-09-vs-amazon-nova-pro
- 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 6 categories and Amazon Nova Pro in 0 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Amazon Nova Experimental Chat 10 09 leads 54.7 to 43.9.

## Snapshot

| | Amazon Nova Experimental Chat 10 09 | Amazon Nova Pro |
|---|---|---|
| Provider | Amazon | Amazon |
| Noometry Index | 41.9 | 31.0 |
| Rank | 126 | 281 |
| Context | — | 300K |
| Input $/M | — | $0.80 |
| Output $/M | — | $3.20 |
| Weights | Proprietary | Proprietary |

## Coding

- Amazon Nova Experimental Chat 10 09: 40.2 (#145)
- Amazon Nova Pro: 35.1 (#229)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Amazon Nova Pro |
|---|---|---|
| LMArena Coding | 1370 | 1270 |
| LiveBench Coding | — | 38.1% |

## Agentic & Tool Use

- Amazon Nova Experimental Chat 10 09: —
- Amazon Nova Pro: 16.7 (#147)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Amazon Nova Pro |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 25% |
| TheAgentCompany | — | 1.7% |

## Reasoning

- Amazon Nova Experimental Chat 10 09: 27.3 (#120)
- Amazon Nova Pro: 20.0 (#243)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Amazon Nova Pro |
|---|---|---|
| LMArena Hard Prompts | 1356 | 1246 |
| LiveBench Reasoning | — | 32.6% |
| LiveBench Data Analysis | — | 48.3% |
| Epoch Capabilities Index | — | 123.8 |
| LiveBench | — | 43.5% |

## Math

- Amazon Nova Experimental Chat 10 09: —
- Amazon Nova Pro: 28.5 (#243)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Amazon Nova Pro |
|---|---|---|
| Omni-MATH | — | 24.2% |
| LiveBench Math | — | 38% |
| LMArena Math | — | 1252 |

## Knowledge

- Amazon Nova Experimental Chat 10 09: —
- Amazon Nova Pro: 27.4 (#250)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Amazon Nova Pro |
|---|---|---|
| Humanity's Last Exam | — | 4.4% |
| MMLU-Pro | — | 67.3% |
| Confabulations | — | 30.1% |
| Vectara Hallucination Rate | — | 5.1% |
| GPQA (HELM) | — | 44.6% |
| LMArena Expert | — | 1211 |
| MMLU | — | 82% |

## Multimodal

- Amazon Nova Experimental Chat 10 09: —
- Amazon Nova Pro: 25.0 (#126)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Amazon Nova Pro |
|---|---|---|
| LMArena Vision | — | 980 |

## Multilingual

- Amazon Nova Experimental Chat 10 09: 47.3 (#150)
- Amazon Nova Pro: 39.7 (#223)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Amazon Nova Pro |
|---|---|---|
| LMArena Non-English | 1340 | 1234 |
| LMArena Chinese | 1341 | 1244 |
| LMArena French | — | 1271 |
| LMArena German | — | 1243 |
| LMArena Japanese | — | 1200 |
| LMArena Korean | — | 1203 |
| LMArena Russian | — | 1240 |
| LMArena Spanish | — | 1182 |

## Instruction Following

- Amazon Nova Experimental Chat 10 09: 69.4 (#172)
- Amazon Nova Pro: 64.9 (#226)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Amazon Nova Pro |
|---|---|---|
| LMArena Instruction Following | 1315 | 1235 |
| LiveBench Instruction Following | — | 67.1% |
| IFEval | — | 81.5% |

## Long Context

- Amazon Nova Experimental Chat 10 09: 40.5 (#152)
- Amazon Nova Pro: 38.1 (#205)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Amazon Nova Pro |
|---|---|---|
| LMArena Longer Query | 1333 | 1255 |

## Writing & Preference

- Amazon Nova Experimental Chat 10 09: 54.7 (#149)
- Amazon Nova Pro: 43.9 (#226)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Amazon Nova Pro |
|---|---|---|
| LMArena Text | 1364 | 1259 |
| LMArena Creative Writing | 1307 | 1212 |
| LMArena Multi-Turn | 1355 | 1246 |
| Short-Story Creative Writing | — | 60.5% |
| WildBench | — | 77.7% |
| LiveBench Language | — | 37% |

## FAQ

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

Amazon Nova Experimental Chat 10 09 is the stronger model overall, scoring 41.9 to 31.0 on the Noometry Index.

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

Amazon Nova Experimental Chat 10 09 scores higher on coding benchmarks: 40.2 versus 35.1 in the Noometry coding category.

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

9 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 09 has 9 scored results on Noometry and Amazon Nova Pro has 38.