# Codellama 34b Instruct vs StarCoder 2 15B

> Codellama 34b Instruct has enough public results to be ranked (#285); StarCoder 2 15B does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/codellama-34b-instruct-vs-starcoder-2-15b
- Last updated: 2026-10-10
- Shared benchmarks: 2

## Summary

- They share 2 benchmarks with published results for both. Codellama 34b Instruct scores higher in 0 categories and StarCoder 2 15B in 1 category; one gap is clear of the uncertainty.
- The widest gap is in coding, where StarCoder 2 15B leads 36.0 to 28.0.

## Snapshot

| | Codellama 34b Instruct | StarCoder 2 15B |
|---|---|---|
| Provider | Meta | NVIDIA |
| Noometry Index | 30.2 | 37.5 |
| Rank | 285 | — |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Open |

## Coding

- Codellama 34b Instruct: 28.0 (#310)
- StarCoder 2 15B: 36.0

| Benchmark | Codellama 34b Instruct | StarCoder 2 15B |
|---|---|---|
| BigCodeBench Complete | 37.1% | 38.4% |
| HumanEval+ | 43.9% | 37.8% |
| BigCodeBench Instruct | 29% | — |
| LMArena Coding | 1046 | — |
| MBPP+ | 56.3% | — |

## Reasoning

- Codellama 34b Instruct: 18.8 (#250)
- StarCoder 2 15B: —

| Benchmark | Codellama 34b Instruct | StarCoder 2 15B |
|---|---|---|
| LMArena Hard Prompts | 1032 | — |
| Epoch Capabilities Index | — | 104.61 |
| WinoGrande | — | 64.3% |

## Math

- Codellama 34b Instruct: 28.5 (#227)
- StarCoder 2 15B: —

| Benchmark | Codellama 34b Instruct | StarCoder 2 15B |
|---|---|---|
| LMArena Math | 1056 | — |
| GSM8K | — | 57.7% |

## Knowledge

- Codellama 34b Instruct: —
- StarCoder 2 15B: —

| Benchmark | Codellama 34b Instruct | StarCoder 2 15B |
|---|---|---|
| ARC (AI2) Challenge | — | 47.2% |
| MMLU | — | 64.1% |

## Multilingual

- Codellama 34b Instruct: 25.9 (#279)
- StarCoder 2 15B: —

| Benchmark | Codellama 34b Instruct | StarCoder 2 15B |
|---|---|---|
| LMArena Non-English | 1011 | — |
| LMArena Chinese | 976 | — |

## Instruction Following

- Codellama 34b Instruct: 52.4 (#286)
- StarCoder 2 15B: —

| Benchmark | Codellama 34b Instruct | StarCoder 2 15B |
|---|---|---|
| LMArena Instruction Following | 1028 | — |

## Long Context

- Codellama 34b Instruct: 30.8 (#279)
- StarCoder 2 15B: —

| Benchmark | Codellama 34b Instruct | StarCoder 2 15B |
|---|---|---|
| LMArena Longer Query | 1014 | — |

## Writing & Preference

- Codellama 34b Instruct: 28.4 (#292)
- StarCoder 2 15B: —

| Benchmark | Codellama 34b Instruct | StarCoder 2 15B |
|---|---|---|
| LMArena Text | 1066 | — |
| LMArena Creative Writing | 1032 | — |
| LMArena Multi-Turn | 1015 | — |

## FAQ

### Is Codellama 34b Instruct better than StarCoder 2 15B?

Codellama 34b Instruct has enough public results to be ranked (#285); StarCoder 2 15B does not yet, so treat this comparison as directional.

### Is Codellama 34b Instruct or StarCoder 2 15B better for coding?

StarCoder 2 15B scores higher on coding benchmarks: 36.0 versus 28.0 in the Noometry coding category.

### How many benchmarks do Codellama 34b Instruct and StarCoder 2 15B share?

2 benchmarks have published results for both models. Codellama 34b Instruct has 14 scored results on Noometry and StarCoder 2 15B has 7.