# Amazon Nova Micro vs Yi-Lightning

> Yi-Lightning is the stronger model overall, scoring 37.1 to 30.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-micro-vs-yi-lightning
- Last updated: 2026-10-11
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Amazon Nova Micro scores higher in 1 category and Yi-Lightning in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in instruction following, where Yi-Lightning leads 67.4 to 56.3.

## Snapshot

| | Amazon Nova Micro | Yi-Lightning |
|---|---|---|
| Provider | Amazon | 01.AI |
| Noometry Index | 30.4 | 37.1 |
| Rank | 294 | 209 |
| Context | 128K | — |
| Input $/M | $0.035 | — |
| Output $/M | $0.14 | — |
| Weights | Proprietary | Proprietary |

## Coding

- Amazon Nova Micro: 30.5 (#295)
- Yi-Lightning: 27.4 (#320)

| Benchmark | Amazon Nova Micro | Yi-Lightning |
|---|---|---|
| LMArena Coding | 1218 | 1312 |
| Aider Polyglot | — | 12.9% |
| LiveBench Coding | 20.2% | — |

## Agentic & Tool Use

- Amazon Nova Micro: 22.1 (#132)
- Yi-Lightning: —

| Benchmark | Amazon Nova Micro | Yi-Lightning |
|---|---|---|
| Berkeley Function Calling Leaderboard | 22.3% | — |

## Reasoning

- Amazon Nova Micro: 17.4 (#294)
- Yi-Lightning: 25.9 (#139)

| Benchmark | Amazon Nova Micro | Yi-Lightning |
|---|---|---|
| LMArena Hard Prompts | 1191 | 1302 |
| LiveBench Reasoning | 25.1% | — |
| LiveBench Data Analysis | 34% | — |
| LiveBench | 29.6% | — |

## Math

- Amazon Nova Micro: 26.9 (#254)
- Yi-Lightning: 36.2 (#172)

| Benchmark | Amazon Nova Micro | Yi-Lightning |
|---|---|---|
| LMArena Math | 1206 | 1300 |
| Omni-MATH | 21.4% | — |
| LiveBench Math | 34.5% | — |

## Knowledge

- Amazon Nova Micro: 29.6 (#237)
- Yi-Lightning: 35.4 (#185)

| Benchmark | Amazon Nova Micro | Yi-Lightning |
|---|---|---|
| LMArena Expert | 1184 | 1286 |
| MMLU-Pro | 51.1% | — |
| Vectara Hallucination Rate | 5.5% | — |
| GPQA (HELM) | 38.3% | — |
| MMLU | 70.8% | — |

## Multilingual

- Amazon Nova Micro: 36.5 (#239)
- Yi-Lightning: 42.2 (#196)

| Benchmark | Amazon Nova Micro | Yi-Lightning |
|---|---|---|
| LMArena Non-English | 1186 | 1269 |
| LMArena Chinese | 1209 | 1320 |
| LMArena French | 1238 | 1305 |
| LMArena German | 1192 | 1267 |
| LMArena Japanese | 1154 | 1228 |
| LMArena Korean | 1150 | 1192 |
| LMArena Russian | 1185 | 1255 |
| LMArena Spanish | 1225 | 1315 |

## Instruction Following

- Amazon Nova Micro: 56.3 (#272)
- Yi-Lightning: 67.4 (#196)

| Benchmark | Amazon Nova Micro | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | 1174 | 1278 |
| LiveBench Instruction Following | 48% | — |
| IFEval | 76% | — |

## Long Context

- Amazon Nova Micro: 36.5 (#229)
- Yi-Lightning: 39.4 (#181)

| Benchmark | Amazon Nova Micro | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | 1205 | 1297 |

## Writing & Preference

- Amazon Nova Micro: 39.5 (#247)
- Yi-Lightning: 50.2 (#184)

| Benchmark | Amazon Nova Micro | Yi-Lightning |
|---|---|---|
| LMArena Text | 1208 | 1302 |
| LMArena Creative Writing | 1172 | 1280 |
| LMArena Multi-Turn | 1178 | 1311 |
| WildBench | 74.3% | — |
| LiveBench Language | 15.8% | — |

## FAQ

### Is Amazon Nova Micro better than Yi-Lightning?

Yi-Lightning is the stronger model overall, scoring 37.1 to 30.4 on the Noometry Index.

### Is Amazon Nova Micro or Yi-Lightning better for coding?

Amazon Nova Micro scores higher on coding benchmarks: 30.5 versus 27.4 in the Noometry coding category.

### How many benchmarks do Amazon Nova Micro and Yi-Lightning share?

17 benchmarks have published results for both models. Amazon Nova Micro has 32 scored results on Noometry and Yi-Lightning has 18.