# Amazon Nova Micro vs Grok 3

> Grok 3 is the stronger model overall, scoring 39.9 to 30.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-micro-vs-grok-3
- Last updated: 2026-10-10
- Shared benchmarks: 23

## Summary

- They share 23 benchmarks with published results for both. Amazon Nova Micro scores higher in 1 category and Grok 3 in 8 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in instruction following, where Grok 3 leads 75.0 to 56.3.
- The biggest single-benchmark swing is MMLU-Pro: 51.1% for Amazon Nova Micro and 78.8% for Grok 3.

## Snapshot

| | Amazon Nova Micro | Grok 3 |
|---|---|---|
| Provider | Amazon | xAI |
| Noometry Index | 30.4 | 39.9 |
| Rank | 294 | 157 |
| Context | 128K | — |
| Input $/M | $0.035 | — |
| Output $/M | $0.14 | — |
| Weights | Proprietary | Proprietary |

## Coding

- Amazon Nova Micro: 30.5 (#295)
- Grok 3: 41.9 (#115)

| Benchmark | Amazon Nova Micro | Grok 3 |
|---|---|---|
| LMArena Coding | 1218 | 1432 |
| Aider Polyglot | — | 53.3% |
| WeirdML | — | 37.2% |
| LiveBench Coding | 20.2% | — |

## Agentic & Tool Use

- Amazon Nova Micro: 22.1 (#132)
- Grok 3: 30.5 (#76)

| Benchmark | Amazon Nova Micro | Grok 3 |
|---|---|---|
| Berkeley Function Calling Leaderboard | 22.3% | — |
| BALROG | — | 29.5% |

## Reasoning

- Amazon Nova Micro: 17.4 (#294)
- Grok 3: 13.7 (#333)

| Benchmark | Amazon Nova Micro | Grok 3 |
|---|---|---|
| LMArena Hard Prompts | 1191 | 1434 |
| ARC-AGI-2 | — | 0% |
| SimpleBench | — | 36.1% |
| Kagi LLM Benchmark | — | 61.3% |
| ARC-AGI-1 | — | 5.5% |
| LiveBench Reasoning | 25.1% | — |
| LiveBench Data Analysis | 34% | — |
| Epoch Capabilities Index | — | 138.33 |
| LiveBench | 29.6% | — |

## Math

- Amazon Nova Micro: 26.9 (#254)
- Grok 3: 38.0 (#145)

| Benchmark | Amazon Nova Micro | Grok 3 |
|---|---|---|
| Omni-MATH | 21.4% | 46.4% |
| LMArena Math | 1206 | 1391 |
| OTIS Mock AIME 2024-2025 | — | 55.6% |
| LiveBench Math | 34.5% | — |
| MATH Level 5 | — | 88.7% |
| FrontierMath (Feb 2025 set) | — | 3.8% |
| FrontierMath Tier 4 (v1) | — | 0% |

## Knowledge

- Amazon Nova Micro: 29.6 (#237)
- Grok 3: 46.2 (#82)

| Benchmark | Amazon Nova Micro | Grok 3 |
|---|---|---|
| MMLU-Pro | 51.1% | 78.8% |
| Vectara Hallucination Rate | 5.5% | 5.8% |
| GPQA (HELM) | 38.3% | 65% |
| LMArena Expert | 1184 | 1421 |
| GPQA Diamond | — | 75.8% |
| Confabulations | — | 14.2% |
| MMLU | 70.8% | — |

## Multilingual

- Amazon Nova Micro: 36.5 (#239)
- Grok 3: 52.3 (#87)

| Benchmark | Amazon Nova Micro | Grok 3 |
|---|---|---|
| LMArena Non-English | 1186 | 1410 |
| LMArena Chinese | 1209 | 1448 |
| LMArena French | 1238 | 1460 |
| LMArena German | 1192 | 1431 |
| LMArena Japanese | 1154 | 1387 |
| LMArena Korean | 1150 | 1373 |
| LMArena Russian | 1185 | 1416 |
| LMArena Spanish | 1225 | 1417 |

## Instruction Following

- Amazon Nova Micro: 56.3 (#272)
- Grok 3: 75.0 (#73)

| Benchmark | Amazon Nova Micro | Grok 3 |
|---|---|---|
| IFEval | 76% | 88.4% |
| LMArena Instruction Following | 1174 | 1409 |
| LiveBench Instruction Following | 48% | — |

## Long Context

- Amazon Nova Micro: 36.5 (#229)
- Grok 3: 38.7 (#192)

| Benchmark | Amazon Nova Micro | Grok 3 |
|---|---|---|
| LMArena Longer Query | 1205 | 1439 |
| Fiction.LiveBench | — | 58.3% |

## Writing & Preference

- Amazon Nova Micro: 39.5 (#247)
- Grok 3: 55.8 (#141)

| Benchmark | Amazon Nova Micro | Grok 3 |
|---|---|---|
| LMArena Text | 1208 | 1426 |
| LMArena Creative Writing | 1172 | 1414 |
| WildBench | 74.3% | 84.9% |
| LMArena Multi-Turn | 1178 | 1425 |
| Short-Story Creative Writing | — | 76.4% |
| EQ-Bench Creative Writing | — | 1186 |
| LiveBench Language | 15.8% | — |

## FAQ

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

Grok 3 is the stronger model overall, scoring 39.9 to 30.4 on the Noometry Index.

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

Grok 3 scores higher on coding benchmarks: 41.9 versus 30.5 in the Noometry coding category.

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

23 benchmarks have published results for both models. Amazon Nova Micro has 32 scored results on Noometry and Grok 3 has 40.