# Amazon Nova Micro vs Mercury 2

> Mercury 2 is the stronger model overall, scoring 38.8 to 29.9 on the Noometry Index. Amazon Nova Micro costs 6.1× less per token, which makes it the better buy when Mercury 2's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/amazon-nova-micro-vs-mercury-2
- Last updated: 2026-10-10
- Shared benchmarks: 12

## Summary

- They share 12 benchmarks with published results for both. Amazon Nova Micro scores higher in 0 categories and Mercury 2 in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Mercury 2 leads 54.0 to 39.7.
- The biggest single-benchmark swing is Vectara Hallucination Rate: 5.5% for Amazon Nova Micro and 12.3% for Mercury 2.
- Amazon Nova Micro is cheaper at $0.035 / $0.14 per million input/output tokens, against $0.25 / $0.75 for Mercury 2.

## Snapshot

| | Amazon Nova Micro | Mercury 2 |
|---|---|---|
| Provider | Amazon | Inception |
| Noometry Index | 29.9 | 38.8 |
| Rank | 290 | 167 |
| Context | 128K | 128K |
| Input $/M | $0.035 | $0.25 |
| Output $/M | $0.14 | $0.75 |
| Weights | Proprietary | Proprietary |

## Coding

- Amazon Nova Micro: 30.0 (#289)
- Mercury 2: 33.2 (#250)

| Benchmark | Amazon Nova Micro | Mercury 2 |
|---|---|---|
| LMArena Coding | 1218 | 1391 |
| LMArena WebDev | — | 1170 |
| SciCode | — | 38.7% |
| WeirdML | — | 43.2% |
| LiveBench Coding | 20.2% | — |
| ALE-Bench | — | 785.58 |

## Agentic & Tool Use

- Amazon Nova Micro: 21.9 (#125)
- Mercury 2: —

| Benchmark | Amazon Nova Micro | Mercury 2 |
|---|---|---|
| Berkeley Function Calling Leaderboard | 22.3% | — |

## Reasoning

- Amazon Nova Micro: 16.7 (#289)
- Mercury 2: 23.0 (#170)

| Benchmark | Amazon Nova Micro | Mercury 2 |
|---|---|---|
| LMArena Hard Prompts | 1191 | 1362 |
| CritPt | — | 0.8% |
| LiveBench Reasoning | 25.1% | — |
| LiveBench Data Analysis | 34% | — |
| LiveBench | 29.6% | — |

## Math

- Amazon Nova Micro: 24.9 (#252)
- Mercury 2: —

| Benchmark | Amazon Nova Micro | Mercury 2 |
|---|---|---|
| Omni-MATH | 21.4% | — |
| LiveBench Math | 34.5% | — |
| LMArena Math | 1206 | — |

## Knowledge

- Amazon Nova Micro: 29.2 (#231)
- Mercury 2: 35.6 (#170)

| Benchmark | Amazon Nova Micro | Mercury 2 |
|---|---|---|
| Vectara Hallucination Rate | 5.5% | 12.3% |
| LMArena Expert | 1184 | 1358 |
| MMLU-Pro | 51.1% | — |
| GPQA (HELM) | 38.3% | — |
| MMLU | 70.8% | — |

## Multilingual

- Amazon Nova Micro: 36.7 (#234)
- Mercury 2: 46.8 (#153)

| Benchmark | Amazon Nova Micro | Mercury 2 |
|---|---|---|
| LMArena Non-English | 1186 | 1331 |
| LMArena Chinese | 1209 | 1416 |
| LMArena Russian | 1185 | 1303 |
| LMArena French | 1237 | — |
| LMArena German | 1192 | — |
| LMArena Japanese | 1154 | — |
| LMArena Korean | 1150 | — |
| LMArena Spanish | 1225 | — |

## Instruction Following

- Amazon Nova Micro: 56.6 (#267)
- Mercury 2: 70.4 (#161)

| Benchmark | Amazon Nova Micro | Mercury 2 |
|---|---|---|
| LMArena Instruction Following | 1174 | 1328 |
| LiveBench Instruction Following | 48% | — |
| IFEval | 76% | — |

## Long Context

- Amazon Nova Micro: 36.5 (#224)
- Mercury 2: 40.4 (#149)

| Benchmark | Amazon Nova Micro | Mercury 2 |
|---|---|---|
| LMArena Longer Query | 1206 | 1329 |

## Writing & Preference

- Amazon Nova Micro: 39.7 (#242)
- Mercury 2: 54.0 (#151)

| Benchmark | Amazon Nova Micro | Mercury 2 |
|---|---|---|
| LMArena Text | 1208 | 1355 |
| LMArena Creative Writing | 1172 | 1289 |
| LMArena Multi-Turn | 1178 | 1358 |
| WildBench | 74.3% | — |
| LiveBench Language | 15.8% | — |

## FAQ

### Is Amazon Nova Micro better than Mercury 2?

Mercury 2 is the stronger model overall, scoring 38.8 to 29.9 on the Noometry Index. Amazon Nova Micro costs 6.1× less per token, which makes it the better buy when Mercury 2's lead doesn't matter for your workload.

### Which is cheaper, Amazon Nova Micro or Mercury 2?

Amazon Nova Micro is cheaper. It lists at $0.035 per million input tokens and $0.14 per million output tokens; Mercury 2 lists at $0.25 and $0.75.

### Is Amazon Nova Micro or Mercury 2 better for coding?

Mercury 2 scores higher on coding benchmarks: 33.2 versus 30.0 in the Noometry coding category.

### Which has the bigger context window?

Both accept 128K tokens.

### How many benchmarks do Amazon Nova Micro and Mercury 2 share?

12 benchmarks have published results for both models. Amazon Nova Micro has 32 scored results on Noometry and Mercury 2 has 17.