# Amazon Nova Micro vs Claude Opus 5

> Claude Opus 5 is the stronger model overall, scoring 67.8 to 30.4 on the Noometry Index. Amazon Nova Micro costs 163× less per token, which makes it the better buy when Claude Opus 5's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/amazon-nova-micro-vs-claude-opus-5
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Amazon Nova Micro scores higher in 0 categories and Claude Opus 5 in 9 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Claude Opus 5 leads 77.2 to 17.4.
- Amazon Nova Micro is cheaper at $0.035 / $0.14 per million input/output tokens, against $5 / $25 for Claude Opus 5.
- Claude Opus 5 accepts more context: 1M tokens versus 128K.

## Snapshot

| | Amazon Nova Micro | Claude Opus 5 |
|---|---|---|
| Provider | Amazon | Anthropic |
| Noometry Index | 30.4 | 67.8 |
| Rank | 294 | 4 |
| Context | 128K | 1M |
| Input $/M | $0.035 | $5 |
| Output $/M | $0.14 | $25 |
| Weights | Proprietary | Proprietary |

## Coding

- Amazon Nova Micro: 30.5 (#295)
- Claude Opus 5: 67.5 (#5)

| Benchmark | Amazon Nova Micro | Claude Opus 5 |
|---|---|---|
| LMArena Coding | 1218 | 1534 |
| DeepSWE | — | 73.6% |
| FrontierCode | — | 53.4% |
| CursorBench | — | 46.6% |
| LMArena WebDev | — | 1691 |
| FrontierSWE | — | 52% |
| SciCode | — | 56.4% |
| WeirdML | — | 91.8% |
| LiveBench Coding | 20.2% | — |
| ALE-Bench | — | 2,165 |

## Agentic & Tool Use

- Amazon Nova Micro: 22.1 (#132)
- Claude Opus 5: 55.6 (#1)

| Benchmark | Amazon Nova Micro | Claude Opus 5 |
|---|---|---|
| APEX-Agents | — | 65.8% |
| Berkeley Function Calling Leaderboard | 22.3% | — |
| OSWorld 2.0 | — | 31.4% |
| τ²-bench Banking | — | 48.7% |
| PostTrainBench | — | 35% |
| BALROG | — | 63.4% |
| GBAEval | — | 79.6% |
| GDP.pdf | — | 24% |
| Vending-Bench 2 | — | 11,182 |

## Reasoning

- Amazon Nova Micro: 17.4 (#294)
- Claude Opus 5: 77.2 (#4)

| Benchmark | Amazon Nova Micro | Claude Opus 5 |
|---|---|---|
| LMArena Hard Prompts | 1191 | 1526 |
| ARC-AGI-2 | — | 90.4% |
| SimpleBench | — | 80.6% |
| NYT Connections (extended) | — | 94.3% |
| ARC-AGI-1 | — | 97.5% |
| CritPt | — | 29.1% |
| Chess Puzzles | — | 42% |
| EBR-Bench | — | 45.7% |
| LiveBench Reasoning | 25.1% | — |
| Mystery Game Puzzles | — | 59% |
| DTBench | — | 97.9% |
| LiveBench Data Analysis | 34% | — |
| LMCA | — | 64.5% |
| Bench to the Future 3 | — | 0.12 |
| Epoch Capabilities Index | — | 162.78 |
| LiveBench | 29.6% | — |

## Math

- Amazon Nova Micro: 26.9 (#254)
- Claude Opus 5: 86.2 (#8)

| Benchmark | Amazon Nova Micro | Claude Opus 5 |
|---|---|---|
| LMArena Math | 1206 | 1531 |
| FrontierMath (Tiers 1-3) | — | 85.6% |
| FrontierMath Tier 4 | — | 73.2% |
| OTIS Mock AIME 2024-2025 | — | 98.9% |
| ProofBench | — | 99% |
| Omni-MATH | 21.4% | — |
| LiveBench Math | 34.5% | — |

## Knowledge

- Amazon Nova Micro: 29.6 (#237)
- Claude Opus 5: 66.8 (#9)

| Benchmark | Amazon Nova Micro | Claude Opus 5 |
|---|---|---|
| LMArena Expert | 1184 | 1557 |
| GPQA Diamond | — | 93.9% |
| SimpleQA Verified | — | 59.9% |
| MMLU-Pro | 51.1% | — |
| Vectara Hallucination Rate | 5.5% | — |
| GPQA (HELM) | 38.3% | — |
| MMLU | 70.8% | — |

## Multimodal

- Amazon Nova Micro: —
- Claude Opus 5: 50.8 (#8)

| Benchmark | Amazon Nova Micro | Claude Opus 5 |
|---|---|---|
| LMArena Vision | — | 1319 |
| Blueprint-Bench 2 | — | 30.4% |
| Furniture Assembly | — | 60.8% |
| LMArena Document | — | 1516 |

## Multilingual

- Amazon Nova Micro: 36.5 (#239)
- Claude Opus 5: 58.8 (#4)

| Benchmark | Amazon Nova Micro | Claude Opus 5 |
|---|---|---|
| LMArena Non-English | 1186 | 1501 |
| LMArena Chinese | 1209 | 1574 |
| LMArena French | 1238 | 1519 |
| LMArena German | 1192 | 1524 |
| LMArena Japanese | 1154 | 1516 |
| LMArena Korean | 1150 | 1521 |
| LMArena Russian | 1185 | 1507 |
| LMArena Spanish | 1225 | 1519 |

## Instruction Following

- Amazon Nova Micro: 56.3 (#272)
- Claude Opus 5: 79.2 (#7)

| Benchmark | Amazon Nova Micro | Claude Opus 5 |
|---|---|---|
| LMArena Instruction Following | 1174 | 1517 |
| LiveBench Instruction Following | 48% | — |
| IFEval | 76% | — |

## Long Context

- Amazon Nova Micro: 36.5 (#229)
- Claude Opus 5: 46.5 (#21)

| Benchmark | Amazon Nova Micro | Claude Opus 5 |
|---|---|---|
| LMArena Longer Query | 1205 | 1515 |

## Writing & Preference

- Amazon Nova Micro: 39.5 (#247)
- Claude Opus 5: 79.2 (#1)

| Benchmark | Amazon Nova Micro | Claude Opus 5 |
|---|---|---|
| LMArena Text | 1208 | 1507 |
| LMArena Creative Writing | 1172 | 1491 |
| LMArena Multi-Turn | 1178 | 1499 |
| EQ-Bench Creative Writing | — | 2133 |
| WildBench | 74.3% | — |
| EQ-Bench 4 | — | 1385 |
| LiveBench Language | 15.8% | — |

## FAQ

### Is Amazon Nova Micro better than Claude Opus 5?

Claude Opus 5 is the stronger model overall, scoring 67.8 to 30.4 on the Noometry Index. Amazon Nova Micro costs 163× less per token, which makes it the better buy when Claude Opus 5's lead doesn't matter for your workload.

### Which is cheaper, Amazon Nova Micro or Claude Opus 5?

Amazon Nova Micro is cheaper. It lists at $0.035 per million input tokens and $0.14 per million output tokens; Claude Opus 5 lists at $5 and $25.

### Is Amazon Nova Micro or Claude Opus 5 better for coding?

Claude Opus 5 scores higher on coding benchmarks: 67.5 versus 30.5 in the Noometry coding category.

### Which has the bigger context window?

Claude Opus 5 does, with 1M tokens against 128K.

### How many benchmarks do Amazon Nova Micro and Claude Opus 5 share?

17 benchmarks have published results for both models. Amazon Nova Micro has 32 scored results on Noometry and Claude Opus 5 has 57.