# Olmo 7b Instruct vs Yi-Lightning

> Yi-Lightning is the stronger model overall, scoring 37.1 to 30.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/olmo-7b-instruct-vs-yi-lightning
- Last updated: 2026-10-11
- Shared benchmarks: 10

## Summary

- They share 10 benchmarks with published results for both. Olmo 7b Instruct scores higher in 1 category and Yi-Lightning in 5 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Yi-Lightning leads 50.2 to 25.8.
- Olmo 7b Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Olmo 7b Instruct | Yi-Lightning |
|---|---|---|
| Provider | Allen Institute for AI (Ai2) | 01.AI |
| Noometry Index | 30.3 | 37.1 |
| Rank | 295 | 209 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Proprietary |

## Coding

- Olmo 7b Instruct: 29.6 (#303)
- Yi-Lightning: 27.4 (#320)

| Benchmark | Olmo 7b Instruct | Yi-Lightning |
|---|---|---|
| LMArena Coding | 1016 | 1312 |
| Aider Polyglot | — | 12.9% |

## Reasoning

- Olmo 7b Instruct: 18.8 (#274)
- Yi-Lightning: 25.9 (#139)

| Benchmark | Olmo 7b Instruct | Yi-Lightning |
|---|---|---|
| LMArena Hard Prompts | 993 | 1302 |

## Math

- Olmo 7b Instruct: 30.2 (#237)
- Yi-Lightning: 36.2 (#172)

| Benchmark | Olmo 7b Instruct | Yi-Lightning |
|---|---|---|
| LMArena Math | 1018 | 1300 |

## Knowledge

- Olmo 7b Instruct: —
- Yi-Lightning: 35.4 (#185)

| Benchmark | Olmo 7b Instruct | Yi-Lightning |
|---|---|---|
| LMArena Expert | — | 1286 |

## Multilingual

- Olmo 7b Instruct: 24.0 (#291)
- Yi-Lightning: 42.2 (#196)

| Benchmark | Olmo 7b Instruct | Yi-Lightning |
|---|---|---|
| LMArena Non-English | 977 | 1269 |
| LMArena Chinese | 1014 | 1320 |
| LMArena Russian | 947 | 1255 |
| LMArena French | — | 1305 |
| LMArena German | — | 1267 |
| LMArena Japanese | — | 1228 |
| LMArena Korean | — | 1192 |
| LMArena Spanish | — | 1315 |

## Instruction Following

- Olmo 7b Instruct: 49.0 (#301)
- Yi-Lightning: 67.4 (#196)

| Benchmark | Olmo 7b Instruct | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | 978 | 1278 |

## Long Context

- Olmo 7b Instruct: —
- Yi-Lightning: 39.4 (#181)

| Benchmark | Olmo 7b Instruct | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | — | 1297 |

## Writing & Preference

- Olmo 7b Instruct: 25.8 (#303)
- Yi-Lightning: 50.2 (#184)

| Benchmark | Olmo 7b Instruct | Yi-Lightning |
|---|---|---|
| LMArena Text | 1032 | 1302 |
| LMArena Creative Writing | 990 | 1280 |
| LMArena Multi-Turn | 1007 | 1311 |

## FAQ

### Is Olmo 7b Instruct better than Yi-Lightning?

Yi-Lightning is the stronger model overall, scoring 37.1 to 30.3 on the Noometry Index.

### Is Olmo 7b Instruct or Yi-Lightning better for coding?

Olmo 7b Instruct scores higher on coding benchmarks: 29.6 versus 27.4 in the Noometry coding category.

### How many benchmarks do Olmo 7b Instruct and Yi-Lightning share?

10 benchmarks have published results for both models. Olmo 7b Instruct has 10 scored results on Noometry and Yi-Lightning has 18.