# MiMo-V2.5-Pro vs Yi-Lightning

> MiMo-V2.5-Pro is the stronger model overall, scoring 45.2 to 37.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mimo-v2-5-pro-vs-yi-lightning
- Last updated: 2026-10-11
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. MiMo-V2.5-Pro scores higher in 8 categories and Yi-Lightning in 0 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in coding, where MiMo-V2.5-Pro leads 47.4 to 27.4.
- MiMo-V2.5-Pro has downloadable open weights; the other is API-only.

## Snapshot

| | MiMo-V2.5-Pro | Yi-Lightning |
|---|---|---|
| Provider | Xiaomi | 01.AI |
| Noometry Index | 45.2 | 37.1 |
| Rank | 74 | 209 |
| Context | 1.05M | — |
| Input $/M | $0.43 | — |
| Output $/M | $0.87 | — |
| Weights | Open | Proprietary |

## Coding

- MiMo-V2.5-Pro: 47.4 (#60)
- Yi-Lightning: 27.4 (#320)

| Benchmark | MiMo-V2.5-Pro | Yi-Lightning |
|---|---|---|
| LMArena Coding | 1503 | 1312 |
| Aider Polyglot | — | 12.9% |
| LMArena WebDev | 1479 | — |
| SciCode | 50.2% | — |
| ALE-Bench | 899.8 | — |

## Reasoning

- MiMo-V2.5-Pro: 26.8 (#130)
- Yi-Lightning: 25.9 (#139)

| Benchmark | MiMo-V2.5-Pro | Yi-Lightning |
|---|---|---|
| LMArena Hard Prompts | 1488 | 1302 |
| NYT Connections (extended) | 34.4% | — |
| CritPt | 4% | — |
| DTBench | 84.5% | — |
| LMCA | 29.5% | — |

## Math

- MiMo-V2.5-Pro: 40.0 (#96)
- Yi-Lightning: 36.2 (#172)

| Benchmark | MiMo-V2.5-Pro | Yi-Lightning |
|---|---|---|
| LMArena Math | 1481 | 1300 |
| ProofBench | 22% | — |

## Knowledge

- MiMo-V2.5-Pro: 42.2 (#98)
- Yi-Lightning: 35.4 (#185)

| Benchmark | MiMo-V2.5-Pro | Yi-Lightning |
|---|---|---|
| LMArena Expert | 1503 | 1286 |

## Multilingual

- MiMo-V2.5-Pro: 55.1 (#34)
- Yi-Lightning: 42.2 (#196)

| Benchmark | MiMo-V2.5-Pro | Yi-Lightning |
|---|---|---|
| LMArena Non-English | 1449 | 1269 |
| LMArena Chinese | 1507 | 1320 |
| LMArena French | 1488 | 1305 |
| LMArena German | 1458 | 1267 |
| LMArena Japanese | 1412 | 1228 |
| LMArena Korean | 1437 | 1192 |
| LMArena Russian | 1450 | 1255 |
| LMArena Spanish | 1471 | 1315 |

## Instruction Following

- MiMo-V2.5-Pro: 77.5 (#21)
- Yi-Lightning: 67.4 (#196)

| Benchmark | MiMo-V2.5-Pro | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | 1477 | 1278 |

## Long Context

- MiMo-V2.5-Pro: 45.4 (#37)
- Yi-Lightning: 39.4 (#181)

| Benchmark | MiMo-V2.5-Pro | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | 1483 | 1297 |

## Writing & Preference

- MiMo-V2.5-Pro: 65.3 (#49)
- Yi-Lightning: 50.2 (#184)

| Benchmark | MiMo-V2.5-Pro | Yi-Lightning |
|---|---|---|
| LMArena Text | 1465 | 1302 |
| LMArena Creative Writing | 1440 | 1280 |
| LMArena Multi-Turn | 1477 | 1311 |
| EQ-Bench Creative Writing | 1493 | — |
| EQ-Bench 4 | 1208 | — |

## FAQ

### Is MiMo-V2.5-Pro better than Yi-Lightning?

MiMo-V2.5-Pro is the stronger model overall, scoring 45.2 to 37.1 on the Noometry Index.

### Is MiMo-V2.5-Pro or Yi-Lightning better for coding?

MiMo-V2.5-Pro scores higher on coding benchmarks: 47.4 versus 27.4 in the Noometry coding category.

### How many benchmarks do MiMo-V2.5-Pro and Yi-Lightning share?

17 benchmarks have published results for both models. MiMo-V2.5-Pro has 27 scored results on Noometry and Yi-Lightning has 18.