# Amazon Nova Micro vs Phi 3 Mini 128k Instruct

> Amazon Nova Micro and Phi 3 Mini 128k Instruct score almost the same on the Noometry Index (29.9 vs 29.1), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/amazon-nova-micro-vs-phi-3-mini-128k-instruct
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Amazon Nova Micro scores higher in 6 categories and Phi 3 Mini 128k Instruct in 2 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Amazon Nova Micro leads 39.7 to 27.3.
- Phi 3 Mini 128k Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Amazon Nova Micro | Phi 3 Mini 128k Instruct |
|---|---|---|
| Provider | Amazon | Microsoft |
| Noometry Index | 29.9 | 29.1 |
| Rank | 290 | 303 |
| Context | 128K | — |
| Input $/M | $0.035 | — |
| Output $/M | $0.14 | — |
| Weights | Proprietary | Open |

## Coding

- Amazon Nova Micro: 30.0 (#289)
- Phi 3 Mini 128k Instruct: 28.3 (#307)

| Benchmark | Amazon Nova Micro | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Coding | 1218 | 1040 |
| BigCodeBench Instruct | — | 29.6% |
| LiveBench Coding | 20.2% | — |
| BigCodeBench Complete | — | 40.6% |

## Agentic & Tool Use

- Amazon Nova Micro: 21.9 (#125)
- Phi 3 Mini 128k Instruct: —

| Benchmark | Amazon Nova Micro | Phi 3 Mini 128k Instruct |
|---|---|---|
| Berkeley Function Calling Leaderboard | 22.3% | — |

## Reasoning

- Amazon Nova Micro: 16.7 (#289)
- Phi 3 Mini 128k Instruct: 18.7 (#254)

| Benchmark | Amazon Nova Micro | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Hard Prompts | 1191 | 1028 |
| LiveBench Reasoning | 25.1% | — |
| LiveBench Data Analysis | 34% | — |
| LiveBench | 29.6% | — |

## Math

- Amazon Nova Micro: 24.9 (#252)
- Phi 3 Mini 128k Instruct: 29.2 (#220)

| Benchmark | Amazon Nova Micro | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Math | 1206 | 1089 |
| Omni-MATH | 21.4% | — |
| LiveBench Math | 34.5% | — |

## Knowledge

- Amazon Nova Micro: 29.2 (#231)
- Phi 3 Mini 128k Instruct: 26.3 (#251)

| Benchmark | Amazon Nova Micro | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Expert | 1184 | 984 |
| MMLU-Pro | 51.1% | — |
| Vectara Hallucination Rate | 5.5% | — |
| GPQA (HELM) | 38.3% | — |
| MMLU | 70.8% | — |

## Multilingual

- Amazon Nova Micro: 36.7 (#234)
- Phi 3 Mini 128k Instruct: 25.4 (#280)

| Benchmark | Amazon Nova Micro | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Non-English | 1186 | 1000 |
| LMArena Chinese | 1209 | 1016 |
| LMArena French | 1237 | 1038 |
| LMArena German | 1192 | 1006 |
| LMArena Japanese | 1154 | 899 |
| LMArena Korean | 1150 | 856 |
| LMArena Russian | 1185 | 1004 |
| LMArena Spanish | 1225 | 1058 |

## Instruction Following

- Amazon Nova Micro: 56.6 (#267)
- Phi 3 Mini 128k Instruct: 52.1 (#289)

| Benchmark | Amazon Nova Micro | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Instruction Following | 1174 | 1023 |
| LiveBench Instruction Following | 48% | — |
| IFEval | 76% | — |

## Long Context

- Amazon Nova Micro: 36.5 (#224)
- Phi 3 Mini 128k Instruct: 30.3 (#284)

| Benchmark | Amazon Nova Micro | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Longer Query | 1206 | 996 |

## Writing & Preference

- Amazon Nova Micro: 39.7 (#242)
- Phi 3 Mini 128k Instruct: 27.3 (#296)

| Benchmark | Amazon Nova Micro | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Text | 1208 | 1050 |
| LMArena Creative Writing | 1172 | 1024 |
| LMArena Multi-Turn | 1178 | 989 |
| WildBench | 74.3% | — |
| LiveBench Language | 15.8% | — |

## FAQ

### Is Amazon Nova Micro better than Phi 3 Mini 128k Instruct?

Amazon Nova Micro and Phi 3 Mini 128k Instruct score almost the same on the Noometry Index (29.9 vs 29.1), so choose on price, context window or the category you care about most.

### Is Amazon Nova Micro or Phi 3 Mini 128k Instruct better for coding?

Amazon Nova Micro scores higher on coding benchmarks: 30.0 versus 28.3 in the Noometry coding category.

### How many benchmarks do Amazon Nova Micro and Phi 3 Mini 128k Instruct share?

17 benchmarks have published results for both models. Amazon Nova Micro has 32 scored results on Noometry and Phi 3 Mini 128k Instruct has 19.