# Amazon Nova Experimental Chat 10 09 vs GPT-5 Pro

> GPT-5 Pro is the stronger model overall, scoring 46.4 to 41.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-10-09-vs-gpt-5-pro
- Last updated: 2026-10-12
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where GPT-5 Pro leads 38.9 to 27.3.

## Snapshot

| | Amazon Nova Experimental Chat 10 09 | GPT-5 Pro |
|---|---|---|
| Provider | Amazon | OpenAI |
| Noometry Index | 41.9 | 46.4 |
| Rank | 126 | 64 |
| Context | — | 400K |
| Input $/M | — | $15 |
| Output $/M | — | $120 |
| Weights | Proprietary | Proprietary |

## Coding

- Amazon Nova Experimental Chat 10 09: 40.2 (#145)
- GPT-5 Pro: 44.0 (#80)

| Benchmark | Amazon Nova Experimental Chat 10 09 | GPT-5 Pro |
|---|---|---|
| WeirdML | — | 60.4% |
| LMArena Coding | 1370 | — |
| AlgoTune | — | 1.31 |

## Reasoning

- Amazon Nova Experimental Chat 10 09: 27.3 (#120)
- GPT-5 Pro: 38.9 (#62)

| Benchmark | Amazon Nova Experimental Chat 10 09 | GPT-5 Pro |
|---|---|---|
| ARC-AGI-2 | — | 18.3% |
| SimpleBench | — | 61.6% |
| Kagi LLM Benchmark | — | 76.8% |
| ARC-AGI-1 | — | 70.2% |
| EnigmaEval | — | 18.8% |
| LMArena Hard Prompts | 1356 | — |
| Epoch Capabilities Index | — | 150.28 |

## Math

- Amazon Nova Experimental Chat 10 09: —
- GPT-5 Pro: 48.5 (#63)

| Benchmark | Amazon Nova Experimental Chat 10 09 | GPT-5 Pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 55.8% |
| FrontierMath Tier 4 | — | 19.5% |
| FrontierMath Tier 4 (v1) | — | 14.6% |

## Knowledge

- Amazon Nova Experimental Chat 10 09: —
- GPT-5 Pro: 56.7 (#42)

| Benchmark | Amazon Nova Experimental Chat 10 09 | GPT-5 Pro |
|---|---|---|
| Humanity's Last Exam | — | 31.6% |

## Multilingual

- Amazon Nova Experimental Chat 10 09: 47.3 (#150)
- GPT-5 Pro: —

| Benchmark | Amazon Nova Experimental Chat 10 09 | GPT-5 Pro |
|---|---|---|
| LMArena Non-English | 1340 | — |
| LMArena Chinese | 1341 | — |

## Instruction Following

- Amazon Nova Experimental Chat 10 09: 69.4 (#172)
- GPT-5 Pro: —

| Benchmark | Amazon Nova Experimental Chat 10 09 | GPT-5 Pro |
|---|---|---|
| LMArena Instruction Following | 1315 | — |

## Long Context

- Amazon Nova Experimental Chat 10 09: 40.5 (#152)
- GPT-5 Pro: —

| Benchmark | Amazon Nova Experimental Chat 10 09 | GPT-5 Pro |
|---|---|---|
| LMArena Longer Query | 1333 | — |

## Writing & Preference

- Amazon Nova Experimental Chat 10 09: 54.7 (#149)
- GPT-5 Pro: —

| Benchmark | Amazon Nova Experimental Chat 10 09 | GPT-5 Pro |
|---|---|---|
| LMArena Text | 1364 | — |
| LMArena Creative Writing | 1307 | — |
| LMArena Multi-Turn | 1355 | — |

## FAQ

### Is Amazon Nova Experimental Chat 10 09 better than GPT-5 Pro?

GPT-5 Pro is the stronger model overall, scoring 46.4 to 41.9 on the Noometry Index.

### Is Amazon Nova Experimental Chat 10 09 or GPT-5 Pro better for coding?

GPT-5 Pro scores higher on coding benchmarks: 44.0 versus 40.2 in the Noometry coding category.

### How many benchmarks do Amazon Nova Experimental Chat 10 09 and GPT-5 Pro share?

0 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 09 has 9 scored results on Noometry and GPT-5 Pro has 12.