# Amazon Nova Lite vs GPT-5.2 Codex

> GPT-5.2 Codex is the stronger model overall, scoring 42.6 to 31.9 on the Noometry Index. Amazon Nova Lite costs 46× less per token, which makes it the better buy when GPT-5.2 Codex's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/amazon-nova-lite-vs-gpt-5-2-codex
- Last updated: 2026-10-11
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. Amazon Nova Lite scores higher in 0 categories and GPT-5.2 Codex in 1 category; one gap is clear of the uncertainty.
- The widest gap is in coding, where GPT-5.2 Codex leads 45.5 to 32.5.
- Amazon Nova Lite is cheaper at $0.06 / $0.24 per million input/output tokens, against $1.75 / $14 for GPT-5.2 Codex.
- GPT-5.2 Codex accepts more context: 400K tokens versus 300K.

## Snapshot

| | Amazon Nova Lite | GPT-5.2 Codex |
|---|---|---|
| Provider | Amazon | OpenAI |
| Noometry Index | 31.9 | 42.6 |
| Rank | 265 | 111 |
| Context | 300K | 400K |
| Input $/M | $0.06 | $1.75 |
| Output $/M | $0.24 | $14 |
| Weights | Proprietary | Proprietary |

## Coding

- Amazon Nova Lite: 32.5 (#270)
- GPT-5.2 Codex: 45.5 (#71)

| Benchmark | Amazon Nova Lite | GPT-5.2 Codex |
|---|---|---|
| ALE-Bench | 236.25 | 1,300 |
| SWE-bench Verified (bash only) | — | 72.8% |
| LMArena WebDev | — | 1339 |
| SWE-bench Multilingual | — | 66.3% |
| LiveBench Coding | 27.5% | — |
| LMArena Coding | 1239 | — |

## Agentic & Tool Use

- Amazon Nova Lite: —
- GPT-5.2 Codex: 41.0 (#22)

| Benchmark | Amazon Nova Lite | GPT-5.2 Codex |
|---|---|---|
| Terminal-Bench | — | 66.5% |

## Reasoning

- Amazon Nova Lite: 19.3 (#260)
- GPT-5.2 Codex: —

| Benchmark | Amazon Nova Lite | GPT-5.2 Codex |
|---|---|---|
| LiveBench Reasoning | 36.7% | — |
| LMArena Hard Prompts | 1220 | — |
| LiveBench Data Analysis | 37.2% | — |
| LiveBench | 36.4% | — |

## Math

- Amazon Nova Lite: 27.8 (#247)
- GPT-5.2 Codex: —

| Benchmark | Amazon Nova Lite | GPT-5.2 Codex |
|---|---|---|
| Omni-MATH | 23.3% | — |
| LiveBench Math | 36.7% | — |
| LMArena Math | 1227 | — |

## Knowledge

- Amazon Nova Lite: 26.3 (#259)
- GPT-5.2 Codex: —

| Benchmark | Amazon Nova Lite | GPT-5.2 Codex |
|---|---|---|
| Humanity's Last Exam | 3.6% | — |
| MMLU-Pro | 60% | — |
| Vectara Hallucination Rate | 6.1% | — |
| GPQA (HELM) | 39.7% | — |
| LMArena Expert | 1201 | — |
| MMLU | 77% | — |

## Multimodal

- Amazon Nova Lite: 25.5 (#123)
- GPT-5.2 Codex: —

| Benchmark | Amazon Nova Lite | GPT-5.2 Codex |
|---|---|---|
| LMArena Vision | 990 | — |

## Multilingual

- Amazon Nova Lite: 38.0 (#232)
- GPT-5.2 Codex: —

| Benchmark | Amazon Nova Lite | GPT-5.2 Codex |
|---|---|---|
| LMArena Non-English | 1208 | — |
| LMArena Chinese | 1225 | — |
| LMArena French | 1237 | — |
| LMArena German | 1229 | — |
| LMArena Japanese | 1153 | — |
| LMArena Korean | 1153 | — |
| LMArena Russian | 1216 | — |
| LMArena Spanish | 1226 | — |

## Instruction Following

- Amazon Nova Lite: 59.3 (#255)
- GPT-5.2 Codex: —

| Benchmark | Amazon Nova Lite | GPT-5.2 Codex |
|---|---|---|
| LiveBench Instruction Following | 54.1% | — |
| IFEval | 77.6% | — |
| LMArena Instruction Following | 1205 | — |

## Long Context

- Amazon Nova Lite: 37.4 (#217)
- GPT-5.2 Codex: —

| Benchmark | Amazon Nova Lite | GPT-5.2 Codex |
|---|---|---|
| LMArena Longer Query | 1234 | — |

## Writing & Preference

- Amazon Nova Lite: 42.1 (#237)
- GPT-5.2 Codex: —

| Benchmark | Amazon Nova Lite | GPT-5.2 Codex |
|---|---|---|
| LMArena Text | 1229 | — |
| LMArena Creative Writing | 1197 | — |
| WildBench | 75% | — |
| LMArena Multi-Turn | 1199 | — |
| LiveBench Language | 25.9% | — |

## FAQ

### Is Amazon Nova Lite better than GPT-5.2 Codex?

GPT-5.2 Codex is the stronger model overall, scoring 42.6 to 31.9 on the Noometry Index. Amazon Nova Lite costs 46× less per token, which makes it the better buy when GPT-5.2 Codex's lead doesn't matter for your workload.

### Which is cheaper, Amazon Nova Lite or GPT-5.2 Codex?

Amazon Nova Lite is cheaper. It lists at $0.06 per million input tokens and $0.24 per million output tokens; GPT-5.2 Codex lists at $1.75 and $14.

### Is Amazon Nova Lite or GPT-5.2 Codex better for coding?

GPT-5.2 Codex scores higher on coding benchmarks: 45.5 versus 32.5 in the Noometry coding category.

### Which has the bigger context window?

GPT-5.2 Codex does, with 400K tokens against 300K.

### How many benchmarks do Amazon Nova Lite and GPT-5.2 Codex share?

1 benchmark has published results for both models. Amazon Nova Lite has 34 scored results on Noometry and GPT-5.2 Codex has 5.