# Granite 4.2 30b vs Yi-Lightning

> Granite 4.2 30b is the stronger model overall, scoring 41.8 to 37.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/granite-4-2-30b-vs-yi-lightning
- Last updated: 2026-10-10
- Shared benchmarks: 11

## Summary

- They share 11 benchmarks with published results for both. Granite 4.2 30b scores higher in 7 categories and Yi-Lightning in 0 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in coding, where Granite 4.2 30b leads 41.0 to 27.4.
- Granite 4.2 30b has downloadable open weights; the other is API-only.

## Snapshot

| | Granite 4.2 30b | Yi-Lightning |
|---|---|---|
| Provider | IBM | 01.AI |
| Noometry Index | 41.8 | 37.1 |
| Rank | 130 | 209 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Proprietary |

## Coding

- Granite 4.2 30b: 41.0 (#126)
- Yi-Lightning: 27.4 (#320)

| Benchmark | Granite 4.2 30b | Yi-Lightning |
|---|---|---|
| LMArena Coding | 1396 | 1312 |
| Aider Polyglot | — | 12.9% |

## Reasoning

- Granite 4.2 30b: 27.8 (#112)
- Yi-Lightning: 25.9 (#139)

| Benchmark | Granite 4.2 30b | Yi-Lightning |
|---|---|---|
| LMArena Hard Prompts | 1374 | 1302 |

## Math

- Granite 4.2 30b: —
- Yi-Lightning: 36.2 (#172)

| Benchmark | Granite 4.2 30b | Yi-Lightning |
|---|---|---|
| LMArena Math | — | 1300 |

## Knowledge

- Granite 4.2 30b: 39.1 (#138)
- Yi-Lightning: 35.4 (#185)

| Benchmark | Granite 4.2 30b | Yi-Lightning |
|---|---|---|
| LMArena Expert | 1406 | 1286 |

## Multilingual

- Granite 4.2 30b: 47.3 (#151)
- Yi-Lightning: 42.2 (#196)

| Benchmark | Granite 4.2 30b | Yi-Lightning |
|---|---|---|
| LMArena Non-English | 1340 | 1269 |
| LMArena Chinese | 1414 | 1320 |
| LMArena Russian | 1343 | 1255 |
| LMArena French | — | 1305 |
| LMArena German | — | 1267 |
| LMArena Japanese | — | 1228 |
| LMArena Korean | — | 1192 |
| LMArena Spanish | — | 1315 |

## Instruction Following

- Granite 4.2 30b: 71.2 (#155)
- Yi-Lightning: 67.4 (#196)

| Benchmark | Granite 4.2 30b | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | 1347 | 1278 |

## Long Context

- Granite 4.2 30b: 41.4 (#140)
- Yi-Lightning: 39.4 (#181)

| Benchmark | Granite 4.2 30b | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | 1359 | 1297 |

## Writing & Preference

- Granite 4.2 30b: 53.8 (#156)
- Yi-Lightning: 50.2 (#184)

| Benchmark | Granite 4.2 30b | Yi-Lightning |
|---|---|---|
| LMArena Text | 1361 | 1302 |
| LMArena Creative Writing | 1288 | 1280 |
| LMArena Multi-Turn | 1339 | 1311 |

## FAQ

### Is Granite 4.2 30b better than Yi-Lightning?

Granite 4.2 30b is the stronger model overall, scoring 41.8 to 37.1 on the Noometry Index.

### Is Granite 4.2 30b or Yi-Lightning better for coding?

Granite 4.2 30b scores higher on coding benchmarks: 41.0 versus 27.4 in the Noometry coding category.

### How many benchmarks do Granite 4.2 30b and Yi-Lightning share?

11 benchmarks have published results for both models. Granite 4.2 30b has 11 scored results on Noometry and Yi-Lightning has 18.