# Amazon Nova Experimental Chat 26 02 10 vs GPT-5.2 Codex

> Amazon Nova Experimental Chat 26 02 10 is the stronger model overall, scoring 44.5 to 42.6 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-26-02-10-vs-gpt-5-2-codex
- Last updated: 2026-10-12
- Shared benchmarks: 0

## Snapshot

| | Amazon Nova Experimental Chat 26 02 10 | GPT-5.2 Codex |
|---|---|---|
| Provider | Amazon | OpenAI |
| Noometry Index | 44.5 | 42.6 |
| Rank | 77 | 111 |
| Context | — | 400K |
| Input $/M | — | $1.75 |
| Output $/M | — | $14 |
| Weights | Proprietary | Proprietary |

## Coding

- Amazon Nova Experimental Chat 26 02 10: 43.9 (#82)
- GPT-5.2 Codex: 45.5 (#71)

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | GPT-5.2 Codex |
|---|---|---|
| SWE-bench Verified (bash only) | — | 72.8% |
| LMArena WebDev | — | 1339 |
| SWE-bench Multilingual | — | 66.3% |
| LMArena Coding | 1483 | — |
| ALE-Bench | — | 1,300 |

## Agentic & Tool Use

- Amazon Nova Experimental Chat 26 02 10: —
- GPT-5.2 Codex: 41.0 (#22)

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | GPT-5.2 Codex |
|---|---|---|
| Terminal-Bench | — | 66.5% |

## Reasoning

- Amazon Nova Experimental Chat 26 02 10: 30.1 (#86)
- GPT-5.2 Codex: —

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | GPT-5.2 Codex |
|---|---|---|
| LMArena Hard Prompts | 1458 | — |

## Math

- Amazon Nova Experimental Chat 26 02 10: 39.3 (#109)
- GPT-5.2 Codex: —

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | GPT-5.2 Codex |
|---|---|---|
| LMArena Math | 1438 | — |

## Knowledge

- Amazon Nova Experimental Chat 26 02 10: 42.3 (#97)
- GPT-5.2 Codex: —

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | GPT-5.2 Codex |
|---|---|---|
| LMArena Expert | 1506 | — |

## Multilingual

- Amazon Nova Experimental Chat 26 02 10: 54.0 (#50)
- GPT-5.2 Codex: —

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | GPT-5.2 Codex |
|---|---|---|
| LMArena Non-English | 1434 | — |
| LMArena Chinese | 1463 | — |
| LMArena Russian | 1423 | — |

## Instruction Following

- Amazon Nova Experimental Chat 26 02 10: 75.2 (#69)
- GPT-5.2 Codex: —

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | GPT-5.2 Codex |
|---|---|---|
| LMArena Instruction Following | 1427 | — |

## Long Context

- Amazon Nova Experimental Chat 26 02 10: 44.0 (#77)
- GPT-5.2 Codex: —

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | GPT-5.2 Codex |
|---|---|---|
| LMArena Longer Query | 1441 | — |

## Writing & Preference

- Amazon Nova Experimental Chat 26 02 10: 61.8 (#84)
- GPT-5.2 Codex: —

| Benchmark | Amazon Nova Experimental Chat 26 02 10 | GPT-5.2 Codex |
|---|---|---|
| LMArena Text | 1448 | — |
| LMArena Creative Writing | 1368 | — |
| LMArena Multi-Turn | 1442 | — |

## FAQ

### Is Amazon Nova Experimental Chat 26 02 10 better than GPT-5.2 Codex?

Amazon Nova Experimental Chat 26 02 10 is the stronger model overall, scoring 44.5 to 42.6 on the Noometry Index.

### Is Amazon Nova Experimental Chat 26 02 10 or GPT-5.2 Codex better for coding?

GPT-5.2 Codex scores higher on coding benchmarks: 45.5 versus 43.9 in the Noometry coding category.

### How many benchmarks do Amazon Nova Experimental Chat 26 02 10 and GPT-5.2 Codex share?

0 benchmarks have published results for both models. Amazon Nova Experimental Chat 26 02 10 has 12 scored results on Noometry and GPT-5.2 Codex has 5.