# Codellama 70b Instruct vs Yi-Lightning

> Yi-Lightning is the stronger model overall, scoring 37.1 to 33.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/codellama-70b-instruct-vs-yi-lightning
- Last updated: 2026-10-11
- Shared benchmarks: 4

## Summary

- They share 4 benchmarks with published results for both. Codellama 70b Instruct scores higher in 1 category and Yi-Lightning in 4 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in multilingual, where Yi-Lightning leads 42.2 to 24.8.
- Codellama 70b Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Codellama 70b Instruct | Yi-Lightning |
|---|---|---|
| Provider | Meta | 01.AI |
| Noometry Index | 33.7 | 37.1 |
| Rank | 237 | 209 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Proprietary |

## Coding

- Codellama 70b Instruct: 37.6 (#193)
- Yi-Lightning: 27.4 (#320)

| Benchmark | Codellama 70b Instruct | Yi-Lightning |
|---|---|---|
| Aider Polyglot | — | 12.9% |
| BigCodeBench Instruct | 40.7% | — |
| LMArena Coding | — | 1312 |
| BigCodeBench Complete | 49.6% | — |
| HumanEval+ | 65.9% | — |

## Reasoning

- Codellama 70b Instruct: 20.1 (#242)
- Yi-Lightning: 25.9 (#139)

| Benchmark | Codellama 70b Instruct | Yi-Lightning |
|---|---|---|
| LMArena Hard Prompts | 1052 | 1302 |

## Math

- Codellama 70b Instruct: —
- Yi-Lightning: 36.2 (#172)

| Benchmark | Codellama 70b Instruct | Yi-Lightning |
|---|---|---|
| LMArena Math | — | 1300 |

## Knowledge

- Codellama 70b Instruct: —
- Yi-Lightning: 35.4 (#185)

| Benchmark | Codellama 70b Instruct | Yi-Lightning |
|---|---|---|
| LMArena Expert | — | 1286 |

## Multilingual

- Codellama 70b Instruct: 24.8 (#288)
- Yi-Lightning: 42.2 (#196)

| Benchmark | Codellama 70b Instruct | Yi-Lightning |
|---|---|---|
| LMArena Non-English | 992 | 1269 |
| LMArena Chinese | — | 1320 |
| LMArena French | — | 1305 |
| LMArena German | — | 1267 |
| LMArena Japanese | — | 1228 |
| LMArena Korean | — | 1192 |
| LMArena Russian | — | 1255 |
| LMArena Spanish | — | 1315 |

## Instruction Following

- Codellama 70b Instruct: 51.9 (#293)
- Yi-Lightning: 67.4 (#196)

| Benchmark | Codellama 70b Instruct | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | 1024 | 1278 |

## Long Context

- Codellama 70b Instruct: —
- Yi-Lightning: 39.4 (#181)

| Benchmark | Codellama 70b Instruct | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | — | 1297 |

## Writing & Preference

- Codellama 70b Instruct: 33.4 (#277)
- Yi-Lightning: 50.2 (#184)

| Benchmark | Codellama 70b Instruct | Yi-Lightning |
|---|---|---|
| LMArena Text | 1057 | 1302 |
| LMArena Creative Writing | — | 1280 |
| LMArena Multi-Turn | — | 1311 |

## FAQ

### Is Codellama 70b Instruct better than Yi-Lightning?

Yi-Lightning is the stronger model overall, scoring 37.1 to 33.7 on the Noometry Index.

### Is Codellama 70b Instruct or Yi-Lightning better for coding?

Codellama 70b Instruct scores higher on coding benchmarks: 37.6 versus 27.4 in the Noometry coding category.

### How many benchmarks do Codellama 70b Instruct and Yi-Lightning share?

4 benchmarks have published results for both models. Codellama 70b Instruct has 7 scored results on Noometry and Yi-Lightning has 18.