# Amazon Nova Micro vs GPT-4o mini

> Amazon Nova Micro is the stronger model overall, scoring 29.9 to 25.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-micro-vs-gpt-4o-mini
- Last updated: 2026-10-10
- Shared benchmarks: 30

## Summary

- They share 30 benchmarks with published results for both. Amazon Nova Micro scores higher in 5 categories and GPT-4o mini in 4 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Amazon Nova Micro leads 24.9 to 9.9.
- The biggest single-benchmark swing is LiveBench Coding: 20.2% for Amazon Nova Micro and 43.1% for GPT-4o mini.
- Amazon Nova Micro is cheaper at $0.035 / $0.14 per million input/output tokens, against $0.15 / $0.60 for GPT-4o mini.

## Snapshot

| | Amazon Nova Micro | GPT-4o mini |
|---|---|---|
| Provider | Amazon | OpenAI |
| Noometry Index | 29.9 | 25.4 |
| Rank | 290 | 337 |
| Context | 128K | 128K |
| Input $/M | $0.035 | $0.15 |
| Output $/M | $0.14 | $0.60 |
| Weights | Proprietary | Proprietary |

## Coding

- Amazon Nova Micro: 30.0 (#289)
- GPT-4o mini: 21.6 (#330)

| Benchmark | Amazon Nova Micro | GPT-4o mini |
|---|---|---|
| LiveBench Coding | 20.2% | 43.1% |
| LMArena Coding | 1218 | 1290 |
| Aider Polyglot | — | 3.6% |
| WeirdML | — | 11.8% |
| BigCodeBench Instruct | — | 46.1% |
| BigCodeBench Complete | — | 57.4% |
| HumanEval+ | — | 83.5% |
| MBPP+ | — | 72.2% |

## Agentic & Tool Use

- Amazon Nova Micro: 21.9 (#125)
- GPT-4o mini: 27.2 (#95)

| Benchmark | Amazon Nova Micro | GPT-4o mini |
|---|---|---|
| Berkeley Function Calling Leaderboard | 22.3% | — |
| BALROG | — | 17.4% |

## Reasoning

- Amazon Nova Micro: 16.7 (#289)
- GPT-4o mini: 8.7 (#343)

| Benchmark | Amazon Nova Micro | GPT-4o mini |
|---|---|---|
| LiveBench Reasoning | 25.1% | 32.8% |
| LMArena Hard Prompts | 1191 | 1267 |
| LiveBench Data Analysis | 34% | 50% |
| LiveBench | 29.6% | 41.3% |
| ARC-AGI-2 | — | 0% |
| SimpleBench | — | 10.7% |
| Kagi LLM Benchmark | — | 28.8% |
| Chess Puzzles | — | 0% |
| Mystery Game Puzzles | — | 12% |
| DTBench | — | 54.4% |
| LMCA | — | 10.4% |
| Epoch Capabilities Index | — | 126.56 |
| PIQA | — | 88.7% |

## Math

- Amazon Nova Micro: 24.9 (#252)
- GPT-4o mini: 9.9 (#307)

| Benchmark | Amazon Nova Micro | GPT-4o mini |
|---|---|---|
| Omni-MATH | 21.4% | 28% |
| LiveBench Math | 34.5% | 36.3% |
| LMArena Math | 1206 | 1267 |
| FrontierMath (Tiers 1-3) | — | 0.7% |
| OTIS Mock AIME 2024-2025 | — | 6.9% |
| MATH Level 5 | — | 52.6% |
| GSM8K | — | 91.3% |

## Knowledge

- Amazon Nova Micro: 29.2 (#231)
- GPT-4o mini: 17.7 (#279)

| Benchmark | Amazon Nova Micro | GPT-4o mini |
|---|---|---|
| MMLU-Pro | 51.1% | 60.3% |
| GPQA (HELM) | 38.3% | 36.8% |
| LMArena Expert | 1184 | 1235 |
| MMLU | 70.8% | 81.8% |
| GPQA Diamond | — | 37.7% |
| SimpleQA Verified | — | 8.3% |
| Confabulations | — | 37.2% |
| Vectara Hallucination Rate | 5.5% | — |
| BoolQ | — | 88.7% |

## Multimodal

- Amazon Nova Micro: —
- GPT-4o mini: 25.3 (#117)

| Benchmark | Amazon Nova Micro | GPT-4o mini |
|---|---|---|
| LMArena Vision | — | 1066 |
| Video-MME | — | 64.8% |
| GeoBench | — | 64% |
| VPCT | — | 34% |

## Multilingual

- Amazon Nova Micro: 36.7 (#234)
- GPT-4o mini: 42.2 (#194)

| Benchmark | Amazon Nova Micro | GPT-4o mini |
|---|---|---|
| LMArena Non-English | 1186 | 1266 |
| LMArena Chinese | 1209 | 1264 |
| LMArena French | 1237 | 1296 |
| LMArena German | 1192 | 1272 |
| LMArena Japanese | 1154 | 1216 |
| LMArena Korean | 1150 | 1195 |
| LMArena Russian | 1185 | 1275 |
| LMArena Spanish | 1225 | 1276 |

## Instruction Following

- Amazon Nova Micro: 56.6 (#267)
- GPT-4o mini: 62.1 (#234)

| Benchmark | Amazon Nova Micro | GPT-4o mini |
|---|---|---|
| LiveBench Instruction Following | 48% | 56.8% |
| IFEval | 76% | 78.2% |
| LMArena Instruction Following | 1174 | 1259 |

## Long Context

- Amazon Nova Micro: 36.5 (#224)
- GPT-4o mini: 39.1 (#181)

| Benchmark | Amazon Nova Micro | GPT-4o mini |
|---|---|---|
| LMArena Longer Query | 1206 | 1289 |

## Writing & Preference

- Amazon Nova Micro: 39.7 (#242)
- GPT-4o mini: 39.7 (#243)

| Benchmark | Amazon Nova Micro | GPT-4o mini |
|---|---|---|
| LMArena Text | 1208 | 1286 |
| LMArena Creative Writing | 1172 | 1268 |
| WildBench | 74.3% | 79.1% |
| LMArena Multi-Turn | 1178 | 1285 |
| LiveBench Language | 15.8% | 28.6% |
| Short-Story Creative Writing | — | 67.2% |
| EQ-Bench Creative Writing | — | 873 |

## FAQ

### Is Amazon Nova Micro better than GPT-4o mini?

Amazon Nova Micro is the stronger model overall, scoring 29.9 to 25.4 on the Noometry Index.

### Which is cheaper, Amazon Nova Micro or GPT-4o mini?

Amazon Nova Micro is cheaper. It lists at $0.035 per million input tokens and $0.14 per million output tokens; GPT-4o mini lists at $0.15 and $0.60.

### Is Amazon Nova Micro or GPT-4o mini better for coding?

Amazon Nova Micro scores higher on coding benchmarks: 30.0 versus 21.6 in the Noometry coding category.

### Which has the bigger context window?

Both accept 128K tokens.

### How many benchmarks do Amazon Nova Micro and GPT-4o mini share?

30 benchmarks have published results for both models. Amazon Nova Micro has 32 scored results on Noometry and GPT-4o mini has 60.