# Codellama 34b Instruct vs Yi-1.5-34B

> Codellama 34b Instruct and Yi-1.5-34B score almost the same on the Noometry Index (30.8 vs 30.6), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/codellama-34b-instruct-vs-yi-1-5-34b
- Last updated: 2026-10-10
- Shared benchmarks: 12

## Summary

- They share 12 benchmarks with published results for both. Codellama 34b Instruct scores higher in 1 category and Yi-1.5-34B in 6 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Yi-1.5-34B leads 37.4 to 28.2.
- The biggest single-benchmark swing is BigCodeBench Complete: 37.1% for Codellama 34b Instruct and 43.8% for Yi-1.5-34B.

## Snapshot

| | Codellama 34b Instruct | Yi-1.5-34B |
|---|---|---|
| Provider | Meta | 01.AI |
| Noometry Index | 30.8 | 30.6 |
| Rank | 287 | 289 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Open |

## Coding

- Codellama 34b Instruct: 28.5 (#314)
- Yi-1.5-34B: 32.4 (#272)

| Benchmark | Codellama 34b Instruct | Yi-1.5-34B |
|---|---|---|
| BigCodeBench Instruct | 29% | 33.9% |
| LMArena Coding | 1046 | 1169 |
| BigCodeBench Complete | 37.1% | 43.8% |
| HumanEval+ | 43.9% | — |
| MBPP+ | 56.3% | — |

## Reasoning

- Codellama 34b Instruct: 19.6 (#255)
- Yi-1.5-34B: 22.5 (#191)

| Benchmark | Codellama 34b Instruct | Yi-1.5-34B |
|---|---|---|
| LMArena Hard Prompts | 1032 | 1160 |

## Math

- Codellama 34b Instruct: 31.0 (#230)
- Yi-1.5-34B: 27.5 (#249)

| Benchmark | Codellama 34b Instruct | Yi-1.5-34B |
|---|---|---|
| LMArena Math | 1056 | 1182 |
| MATH Level 5 | — | 25.5% |

## Knowledge

- Codellama 34b Instruct: —
- Yi-1.5-34B: 14.8 (#295)

| Benchmark | Codellama 34b Instruct | Yi-1.5-34B |
|---|---|---|
| GPQA Diamond | — | 32% |
| LMArena Expert | — | 1144 |

## Multilingual

- Codellama 34b Instruct: 25.8 (#284)
- Yi-1.5-34B: 32.3 (#256)

| Benchmark | Codellama 34b Instruct | Yi-1.5-34B |
|---|---|---|
| LMArena Non-English | 1011 | 1121 |
| LMArena Chinese | 976 | 1213 |
| LMArena French | — | 1156 |
| LMArena German | — | 1111 |
| LMArena Japanese | — | 1021 |
| LMArena Korean | — | 1005 |
| LMArena Russian | — | 1091 |
| LMArena Spanish | — | 1121 |

## Instruction Following

- Codellama 34b Instruct: 52.2 (#291)
- Yi-1.5-34B: 59.2 (#257)

| Benchmark | Codellama 34b Instruct | Yi-1.5-34B |
|---|---|---|
| LMArena Instruction Following | 1028 | 1139 |

## Long Context

- Codellama 34b Instruct: 30.9 (#284)
- Yi-1.5-34B: 34.6 (#248)

| Benchmark | Codellama 34b Instruct | Yi-1.5-34B |
|---|---|---|
| LMArena Longer Query | 1013 | 1143 |

## Writing & Preference

- Codellama 34b Instruct: 28.2 (#297)
- Yi-1.5-34B: 37.4 (#257)

| Benchmark | Codellama 34b Instruct | Yi-1.5-34B |
|---|---|---|
| LMArena Text | 1066 | 1173 |
| LMArena Creative Writing | 1032 | 1135 |
| LMArena Multi-Turn | 1015 | 1153 |

## FAQ

### Is Codellama 34b Instruct better than Yi-1.5-34B?

Codellama 34b Instruct and Yi-1.5-34B score almost the same on the Noometry Index (30.8 vs 30.6), so choose on price, context window or the category you care about most.

### Is Codellama 34b Instruct or Yi-1.5-34B better for coding?

Yi-1.5-34B scores higher on coding benchmarks: 32.4 versus 28.5 in the Noometry coding category.

### How many benchmarks do Codellama 34b Instruct and Yi-1.5-34B share?

12 benchmarks have published results for both models. Codellama 34b Instruct has 14 scored results on Noometry and Yi-1.5-34B has 21.