# Amazon Nova Pro vs Yi-Lightning

> Yi-Lightning is the stronger model overall, scoring 36.5 to 30.5 on the Noometry Index.

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

## Summary

- They share 17 benchmarks with published results for both. Amazon Nova Pro scores higher in 1 category and Yi-Lightning in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Yi-Lightning leads 34.8 to 27.1.

## Snapshot

| | Amazon Nova Pro | Yi-Lightning |
|---|---|---|
| Provider | Amazon | 01.AI |
| Noometry Index | 30.5 | 36.5 |
| Rank | 278 | 206 |
| Context | 300K | — |
| Input $/M | $0.80 | — |
| Output $/M | $3.20 | — |
| Weights | Proprietary | Proprietary |

## Coding

- Amazon Nova Pro: 34.6 (#224)
- Yi-Lightning: 27.0 (#315)

| Benchmark | Amazon Nova Pro | Yi-Lightning |
|---|---|---|
| LMArena Coding | 1270 | 1313 |
| Aider Polyglot | — | 12.9% |
| LiveBench Coding | 38.1% | — |

## Agentic & Tool Use

- Amazon Nova Pro: 16.6 (#139)
- Yi-Lightning: —

| Benchmark | Amazon Nova Pro | Yi-Lightning |
|---|---|---|
| Berkeley Function Calling Leaderboard | 25% | — |
| TheAgentCompany | 1.7% | — |

## Reasoning

- Amazon Nova Pro: 19.2 (#240)
- Yi-Lightning: 24.9 (#137)

| Benchmark | Amazon Nova Pro | Yi-Lightning |
|---|---|---|
| LMArena Hard Prompts | 1246 | 1302 |
| LiveBench Reasoning | 32.6% | — |
| LiveBench Data Analysis | 48.3% | — |
| Epoch Capabilities Index | 123.75 | — |
| LiveBench | 43.5% | — |

## Math

- Amazon Nova Pro: 26.4 (#240)
- Yi-Lightning: 33.5 (#173)

| Benchmark | Amazon Nova Pro | Yi-Lightning |
|---|---|---|
| LMArena Math | 1252 | 1300 |
| Omni-MATH | 24.2% | — |
| LiveBench Math | 38% | — |

## Knowledge

- Amazon Nova Pro: 27.1 (#246)
- Yi-Lightning: 34.8 (#182)

| Benchmark | Amazon Nova Pro | Yi-Lightning |
|---|---|---|
| LMArena Expert | 1211 | 1286 |
| Humanity's Last Exam | 4.4% | — |
| MMLU-Pro | 67.3% | — |
| Confabulations | 30.1% | — |
| Vectara Hallucination Rate | 5.1% | — |
| GPQA (HELM) | 44.6% | — |
| MMLU | 82% | — |

## Multimodal

- Amazon Nova Pro: 24.5 (#121)
- Yi-Lightning: —

| Benchmark | Amazon Nova Pro | Yi-Lightning |
|---|---|---|
| LMArena Vision | 980 | — |

## Multilingual

- Amazon Nova Pro: 39.9 (#218)
- Yi-Lightning: 42.4 (#191)

| Benchmark | Amazon Nova Pro | Yi-Lightning |
|---|---|---|
| LMArena Non-English | 1234 | 1269 |
| LMArena Chinese | 1244 | 1320 |
| LMArena French | 1270 | 1304 |
| LMArena German | 1243 | 1267 |
| LMArena Japanese | 1200 | 1228 |
| LMArena Korean | 1203 | 1192 |
| LMArena Russian | 1240 | 1255 |
| LMArena Spanish | 1182 | 1315 |

## Instruction Following

- Amazon Nova Pro: 65.1 (#221)
- Yi-Lightning: 67.6 (#191)

| Benchmark | Amazon Nova Pro | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | 1235 | 1278 |
| LiveBench Instruction Following | 67.1% | — |
| IFEval | 81.5% | — |

## Long Context

- Amazon Nova Pro: 38.1 (#199)
- Yi-Lightning: 39.4 (#176)

| Benchmark | Amazon Nova Pro | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | 1255 | 1297 |

## Writing & Preference

- Amazon Nova Pro: 44.1 (#221)
- Yi-Lightning: 50.4 (#178)

| Benchmark | Amazon Nova Pro | Yi-Lightning |
|---|---|---|
| LMArena Text | 1259 | 1302 |
| LMArena Creative Writing | 1212 | 1280 |
| LMArena Multi-Turn | 1245 | 1311 |
| Short-Story Creative Writing | 60.5% | — |
| WildBench | 77.7% | — |
| LiveBench Language | 37% | — |

## FAQ

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

Yi-Lightning is the stronger model overall, scoring 36.5 to 30.5 on the Noometry Index.

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

Amazon Nova Pro scores higher on coding benchmarks: 34.6 versus 27.0 in the Noometry coding category.

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

17 benchmarks have published results for both models. Amazon Nova Pro has 38 scored results on Noometry and Yi-Lightning has 18.