# Amazon Nova Micro vs Grok-3 mini

> Grok-3 mini is the stronger model overall, scoring 41.2 to 30.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-micro-vs-grok-3-mini
- Last updated: 2026-10-12
- Shared benchmarks: 22

## Summary

- They share 22 benchmarks with published results for both. Amazon Nova Micro scores higher in 1 category and Grok-3 mini in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in instruction following, where Grok-3 mini leads 78.5 to 56.3.
- The biggest single-benchmark swing is GPQA (HELM): 38.3% for Amazon Nova Micro and 67.5% for Grok-3 mini.

## Snapshot

| | Amazon Nova Micro | Grok-3 mini |
|---|---|---|
| Provider | Amazon | xAI |
| Noometry Index | 30.4 | 41.2 |
| Rank | 294 | 141 |
| Context | 128K | — |
| Input $/M | $0.035 | — |
| Output $/M | $0.14 | — |
| Weights | Proprietary | Proprietary |

## Coding

- Amazon Nova Micro: 30.5 (#295)
- Grok-3 mini: 40.8 (#131)

| Benchmark | Amazon Nova Micro | Grok-3 mini |
|---|---|---|
| LMArena Coding | 1218 | 1379 |
| Aider Polyglot | — | 49.3% |
| WeirdML | — | 42.6% |
| LiveBench Coding | 20.2% | — |

## Agentic & Tool Use

- Amazon Nova Micro: 22.1 (#132)
- Grok-3 mini: —

| Benchmark | Amazon Nova Micro | Grok-3 mini |
|---|---|---|
| Berkeley Function Calling Leaderboard | 22.3% | — |

## Reasoning

- Amazon Nova Micro: 17.4 (#294)
- Grok-3 mini: 13.6 (#334)

| Benchmark | Amazon Nova Micro | Grok-3 mini |
|---|---|---|
| LMArena Hard Prompts | 1191 | 1375 |
| ARC-AGI-2 | — | 0.4% |
| Kagi LLM Benchmark | — | 61.3% |
| ARC-AGI-1 | — | 16.5% |
| LiveBench Reasoning | 25.1% | — |
| LiveBench Data Analysis | 34% | — |
| Epoch Capabilities Index | — | 140.35 |
| LiveBench | 29.6% | — |

## Math

- Amazon Nova Micro: 26.9 (#254)
- Grok-3 mini: 42.1 (#85)

| Benchmark | Amazon Nova Micro | Grok-3 mini |
|---|---|---|
| Omni-MATH | 21.4% | 31.8% |
| LMArena Math | 1206 | 1386 |
| OTIS Mock AIME 2024-2025 | — | 77.8% |
| LiveBench Math | 34.5% | — |
| MATH Level 5 | — | 90.9% |
| FrontierMath (Feb 2025 set) | — | 5.9% |

## Knowledge

- Amazon Nova Micro: 29.6 (#237)
- Grok-3 mini: 46.4 (#81)

| Benchmark | Amazon Nova Micro | Grok-3 mini |
|---|---|---|
| MMLU-Pro | 51.1% | 79.9% |
| GPQA (HELM) | 38.3% | 67.5% |
| LMArena Expert | 1184 | 1395 |
| GPQA Diamond | — | 76.3% |
| Confabulations | — | 10.8% |
| Vectara Hallucination Rate | 5.5% | — |
| MMLU | 70.8% | — |

## Multilingual

- Amazon Nova Micro: 36.5 (#239)
- Grok-3 mini: 48.1 (#145)

| Benchmark | Amazon Nova Micro | Grok-3 mini |
|---|---|---|
| LMArena Non-English | 1186 | 1352 |
| LMArena Chinese | 1209 | 1387 |
| LMArena French | 1238 | 1357 |
| LMArena German | 1192 | 1349 |
| LMArena Japanese | 1154 | 1342 |
| LMArena Korean | 1150 | 1335 |
| LMArena Russian | 1185 | 1353 |
| LMArena Spanish | 1225 | 1381 |

## Instruction Following

- Amazon Nova Micro: 56.3 (#272)
- Grok-3 mini: 78.5 (#9)

| Benchmark | Amazon Nova Micro | Grok-3 mini |
|---|---|---|
| IFEval | 76% | 95.1% |
| LMArena Instruction Following | 1174 | 1357 |
| LiveBench Instruction Following | 48% | — |

## Long Context

- Amazon Nova Micro: 36.5 (#229)
- Grok-3 mini: 41.0 (#147)

| Benchmark | Amazon Nova Micro | Grok-3 mini |
|---|---|---|
| LMArena Longer Query | 1205 | 1372 |
| Fiction.LiveBench | — | 66.7% |

## Writing & Preference

- Amazon Nova Micro: 39.5 (#247)
- Grok-3 mini: 52.5 (#169)

| Benchmark | Amazon Nova Micro | Grok-3 mini |
|---|---|---|
| LMArena Text | 1208 | 1370 |
| LMArena Creative Writing | 1172 | 1342 |
| WildBench | 74.3% | 65.1% |
| LMArena Multi-Turn | 1178 | 1355 |
| Short-Story Creative Writing | — | 73.5% |
| LiveBench Language | 15.8% | — |

## FAQ

### Is Amazon Nova Micro better than Grok-3 mini?

Grok-3 mini is the stronger model overall, scoring 41.2 to 30.4 on the Noometry Index.

### Is Amazon Nova Micro or Grok-3 mini better for coding?

Grok-3 mini scores higher on coding benchmarks: 40.8 versus 30.5 in the Noometry coding category.

### How many benchmarks do Amazon Nova Micro and Grok-3 mini share?

22 benchmarks have published results for both models. Amazon Nova Micro has 32 scored results on Noometry and Grok-3 mini has 35.