# Amazon Nova Micro vs GPT-4.1 nano

> Amazon Nova Micro is the stronger model overall, scoring 29.9 to 27.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-micro-vs-gpt-4-1-nano
- Last updated: 2026-10-10
- Shared benchmarks: 20

## Summary

- They share 20 benchmarks with published results for both. Amazon Nova Micro scores higher in 4 categories and GPT-4.1 nano in 5 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in long context, where Amazon Nova Micro leads 36.5 to 23.7.
- The biggest single-benchmark swing is Omni-MATH: 21.4% for Amazon Nova Micro and 36.7% for GPT-4.1 nano.
- Amazon Nova Micro is cheaper at $0.035 / $0.14 per million input/output tokens, against $0.10 / $0.40 for GPT-4.1 nano.
- GPT-4.1 nano accepts more context: 1.05M tokens versus 128K.

## Snapshot

| | Amazon Nova Micro | GPT-4.1 nano |
|---|---|---|
| Provider | Amazon | OpenAI |
| Noometry Index | 29.9 | 27.7 |
| Rank | 290 | 322 |
| Context | 128K | 1.05M |
| Input $/M | $0.035 | $0.10 |
| Output $/M | $0.14 | $0.40 |
| Weights | Proprietary | Proprietary |

## Coding

- Amazon Nova Micro: 30.0 (#289)
- GPT-4.1 nano: 23.8 (#325)

| Benchmark | Amazon Nova Micro | GPT-4.1 nano |
|---|---|---|
| LMArena Coding | 1218 | 1306 |
| Aider Polyglot | — | 8.9% |
| SciCode | — | 25.9% |
| WeirdML | — | 19% |
| LiveBench Coding | 20.2% | — |

## Agentic & Tool Use

- Amazon Nova Micro: 21.9 (#125)
- GPT-4.1 nano: 26.3 (#98)

| Benchmark | Amazon Nova Micro | GPT-4.1 nano |
|---|---|---|
| Berkeley Function Calling Leaderboard | 22.3% | 33% |

## Reasoning

- Amazon Nova Micro: 16.7 (#289)
- GPT-4.1 nano: 8.6 (#344)

| Benchmark | Amazon Nova Micro | GPT-4.1 nano |
|---|---|---|
| LMArena Hard Prompts | 1191 | 1286 |
| ARC-AGI-2 | — | 0% |
| Kagi LLM Benchmark | — | 33.3% |
| ARC-AGI-1 | — | 0% |
| CritPt | — | 0% |
| LiveBench Reasoning | 25.1% | — |
| DTBench | — | 52.5% |
| LiveBench Data Analysis | 34% | — |
| LMCA | — | 5.5% |
| Epoch Capabilities Index | — | 129.62 |
| LiveBench | 29.6% | — |

## Math

- Amazon Nova Micro: 24.9 (#252)
- GPT-4.1 nano: 25.5 (#246)

| Benchmark | Amazon Nova Micro | GPT-4.1 nano |
|---|---|---|
| Omni-MATH | 21.4% | 36.7% |
| LMArena Math | 1206 | 1274 |
| OTIS Mock AIME 2024-2025 | — | 28.9% |
| LiveBench Math | 34.5% | — |
| MATH Level 5 | — | 70% |
| FrontierMath (Feb 2025 set) | — | 1% |

## Knowledge

- Amazon Nova Micro: 29.2 (#231)
- GPT-4.1 nano: 21.8 (#268)

| Benchmark | Amazon Nova Micro | GPT-4.1 nano |
|---|---|---|
| MMLU-Pro | 51.1% | 55% |
| GPQA (HELM) | 38.3% | 50.7% |
| LMArena Expert | 1184 | 1272 |
| GPQA Diamond | — | 48.9% |
| SimpleQA Verified | — | 6% |
| Vectara Hallucination Rate | 5.5% | — |
| MMLU | 70.8% | — |

## Multimodal

- Amazon Nova Micro: —
- GPT-4.1 nano: 28.6 (#108)

| Benchmark | Amazon Nova Micro | GPT-4.1 nano |
|---|---|---|
| LMArena Vision | — | 1063 |

## Multilingual

- Amazon Nova Micro: 36.7 (#234)
- GPT-4.1 nano: 41.8 (#200)

| Benchmark | Amazon Nova Micro | GPT-4.1 nano |
|---|---|---|
| LMArena Non-English | 1186 | 1260 |
| LMArena Chinese | 1209 | 1270 |
| LMArena German | 1192 | 1288 |
| LMArena Japanese | 1154 | 1199 |
| LMArena Russian | 1185 | 1261 |
| LMArena French | 1237 | — |
| LMArena Korean | 1150 | — |
| LMArena Spanish | 1225 | — |

## Instruction Following

- Amazon Nova Micro: 56.6 (#267)
- GPT-4.1 nano: 68.0 (#188)

| Benchmark | Amazon Nova Micro | GPT-4.1 nano |
|---|---|---|
| IFEval | 76% | 84.3% |
| LMArena Instruction Following | 1174 | 1267 |
| LiveBench Instruction Following | 48% | — |

## Long Context

- Amazon Nova Micro: 36.5 (#224)
- GPT-4.1 nano: 23.7 (#291)

| Benchmark | Amazon Nova Micro | GPT-4.1 nano |
|---|---|---|
| LMArena Longer Query | 1206 | 1283 |
| Fiction.LiveBench | — | 25% |

## Writing & Preference

- Amazon Nova Micro: 39.7 (#242)
- GPT-4.1 nano: 40.7 (#238)

| Benchmark | Amazon Nova Micro | GPT-4.1 nano |
|---|---|---|
| LMArena Text | 1208 | 1285 |
| LMArena Creative Writing | 1172 | 1260 |
| WildBench | 74.3% | 81.2% |
| LMArena Multi-Turn | 1178 | 1277 |
| EQ-Bench Creative Writing | — | 946 |
| LiveBench Language | 15.8% | — |

## FAQ

### Is Amazon Nova Micro better than GPT-4.1 nano?

Amazon Nova Micro is the stronger model overall, scoring 29.9 to 27.7 on the Noometry Index.

### Which is cheaper, Amazon Nova Micro or GPT-4.1 nano?

Amazon Nova Micro is cheaper. It lists at $0.035 per million input tokens and $0.14 per million output tokens; GPT-4.1 nano lists at $0.10 and $0.40.

### Is Amazon Nova Micro or GPT-4.1 nano better for coding?

Amazon Nova Micro scores higher on coding benchmarks: 30.0 versus 23.8 in the Noometry coding category.

### Which has the bigger context window?

GPT-4.1 nano does, with 1.05M tokens against 128K.

### How many benchmarks do Amazon Nova Micro and GPT-4.1 nano share?

20 benchmarks have published results for both models. Amazon Nova Micro has 32 scored results on Noometry and GPT-4.1 nano has 38.