# Qwen2.5 Plus 1127 vs Yi-Lightning

> Qwen2.5 Plus 1127 is the stronger model overall, scoring 38.8 to 37.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/qwen2-5-plus-vs-yi-lightning
- Last updated: 2026-10-12
- Shared benchmarks: 14

## Summary

- They share 14 benchmarks with published results for both. Qwen2.5 Plus 1127 scores higher in 2 categories and Yi-Lightning in 6 categories; one gap is clear of the uncertainty.
- The widest gap is in coding, where Qwen2.5 Plus 1127 leads 38.5 to 27.4.

## Snapshot

| | Qwen2.5 Plus 1127 | Yi-Lightning |
|---|---|---|
| Provider | Alibaba (Qwen) | 01.AI |
| Noometry Index | 38.8 | 37.1 |
| Rank | 181 | 209 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Qwen2.5 Plus 1127: 38.5 (#175)
- Yi-Lightning: 27.4 (#320)

| Benchmark | Qwen2.5 Plus 1127 | Yi-Lightning |
|---|---|---|
| LMArena Coding | 1314 | 1312 |
| Aider Polyglot | — | 12.9% |

## Reasoning

- Qwen2.5 Plus 1127: 25.9 (#141)
- Yi-Lightning: 25.9 (#139)

| Benchmark | Qwen2.5 Plus 1127 | Yi-Lightning |
|---|---|---|
| LMArena Hard Prompts | 1299 | 1302 |

## Math

- Qwen2.5 Plus 1127: 36.1 (#174)
- Yi-Lightning: 36.2 (#172)

| Benchmark | Qwen2.5 Plus 1127 | Yi-Lightning |
|---|---|---|
| LMArena Math | 1298 | 1300 |

## Knowledge

- Qwen2.5 Plus 1127: 35.5 (#183)
- Yi-Lightning: 35.4 (#185)

| Benchmark | Qwen2.5 Plus 1127 | Yi-Lightning |
|---|---|---|
| LMArena Expert | 1289 | 1286 |

## Multilingual

- Qwen2.5 Plus 1127: 41.9 (#201)
- Yi-Lightning: 42.2 (#196)

| Benchmark | Qwen2.5 Plus 1127 | Yi-Lightning |
|---|---|---|
| LMArena Non-English | 1265 | 1269 |
| LMArena Chinese | 1314 | 1320 |
| LMArena German | 1231 | 1267 |
| LMArena Japanese | 1207 | 1228 |
| LMArena Russian | 1271 | 1255 |
| LMArena French | — | 1305 |
| LMArena Korean | — | 1192 |
| LMArena Spanish | — | 1315 |

## Instruction Following

- Qwen2.5 Plus 1127: 67.2 (#199)
- Yi-Lightning: 67.4 (#196)

| Benchmark | Qwen2.5 Plus 1127 | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | 1275 | 1278 |

## Long Context

- Qwen2.5 Plus 1127: 39.2 (#184)
- Yi-Lightning: 39.4 (#181)

| Benchmark | Qwen2.5 Plus 1127 | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | 1292 | 1297 |

## Writing & Preference

- Qwen2.5 Plus 1127: 49.4 (#192)
- Yi-Lightning: 50.2 (#184)

| Benchmark | Qwen2.5 Plus 1127 | Yi-Lightning |
|---|---|---|
| LMArena Text | 1299 | 1302 |
| LMArena Creative Writing | 1262 | 1280 |
| LMArena Multi-Turn | 1299 | 1311 |

## FAQ

### Is Qwen2.5 Plus 1127 better than Yi-Lightning?

Qwen2.5 Plus 1127 is the stronger model overall, scoring 38.8 to 37.1 on the Noometry Index.

### Is Qwen2.5 Plus 1127 or Yi-Lightning better for coding?

Qwen2.5 Plus 1127 scores higher on coding benchmarks: 38.5 versus 27.4 in the Noometry coding category.

### How many benchmarks do Qwen2.5 Plus 1127 and Yi-Lightning share?

14 benchmarks have published results for both models. Qwen2.5 Plus 1127 has 14 scored results on Noometry and Yi-Lightning has 18.