# Llama 3.1-70B vs StarCoder 2 15B

> Llama 3.1-70B has enough public results to be ranked (#308); StarCoder 2 15B does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/llama-3-1-70b-vs-starcoder-2-15b
- Last updated: 2026-10-11
- Shared benchmarks: 3

## Summary

- They share 3 benchmarks with published results for both. Llama 3.1-70B 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 36.6 to 30.3.
- The biggest single-benchmark swing is BigCodeBench Complete: 54.8% for Llama 3.1-70B and 38.4% for StarCoder 2 15B.

## Snapshot

| | Llama 3.1-70B | StarCoder 2 15B |
|---|---|---|
| Provider | Meta | NVIDIA |
| Noometry Index | 29.6 | 38.1 |
| Rank | 308 | — |
| Context | 128K | — |
| Input $/M | $0.40 | — |
| Output $/M | $0.40 | — |
| Weights | Open | Open |

## Coding

- Llama 3.1-70B: 30.3 (#296)
- StarCoder 2 15B: 36.6

| Benchmark | Llama 3.1-70B | StarCoder 2 15B |
|---|---|---|
| BigCodeBench Complete | 54.8% | 38.4% |
| WeirdML | 9% | — |
| BigCodeBench Instruct | 46.1% | — |
| LMArena Coding | 1260 | — |
| HumanEval+ | — | 37.8% |

## Agentic & Tool Use

- Llama 3.1-70B: 25.1 (#112)
- StarCoder 2 15B: —

| Benchmark | Llama 3.1-70B | StarCoder 2 15B |
|---|---|---|
| TheAgentCompany | 6.9% | — |
| BALROG | 27.9% | — |

## Reasoning

- Llama 3.1-70B: 21.6 (#220)
- StarCoder 2 15B: —

| Benchmark | Llama 3.1-70B | StarCoder 2 15B |
|---|---|---|
| Epoch Capabilities Index | 125.92 | 105 |
| LMArena Hard Prompts | 1241 | — |
| DTBench | 60% | — |
| LMCA | 14.8% | — |
| WinoGrande | — | 64.3% |

## Math

- Llama 3.1-70B: 13.5 (#304)
- StarCoder 2 15B: —

| Benchmark | Llama 3.1-70B | StarCoder 2 15B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 3.6% | — |
| Omni-MATH | 21% | — |
| LMArena Math | 1252 | — |
| MATH Level 5 | 36.7% | — |
| GSM8K | — | 57.7% |

## Knowledge

- Llama 3.1-70B: 24.2 (#269)
- StarCoder 2 15B: —

| Benchmark | Llama 3.1-70B | StarCoder 2 15B |
|---|---|---|
| MMLU | 80.1% | 64.1% |
| GPQA Diamond | 44.2% | — |
| MMLU-Pro | 65.3% | — |
| GPQA (HELM) | 42.6% | — |
| LMArena Expert | 1209 | — |
| ARC (AI2) Challenge | — | 47.2% |

## Multilingual

- Llama 3.1-70B: 38.8 (#225)
- StarCoder 2 15B: —

| Benchmark | Llama 3.1-70B | StarCoder 2 15B |
|---|---|---|
| LMArena Non-English | 1219 | — |
| LMArena Chinese | 1215 | — |
| LMArena French | 1261 | — |
| LMArena German | 1222 | — |
| LMArena Japanese | 1132 | — |
| LMArena Korean | 1140 | — |
| LMArena Russian | 1234 | — |
| LMArena Spanish | 1253 | — |

## Instruction Following

- Llama 3.1-70B: 65.3 (#223)
- StarCoder 2 15B: —

| Benchmark | Llama 3.1-70B | StarCoder 2 15B |
|---|---|---|
| IFEval | 82.1% | — |
| LMArena Instruction Following | 1231 | — |

## Long Context

- Llama 3.1-70B: 37.6 (#214)
- StarCoder 2 15B: —

| Benchmark | Llama 3.1-70B | StarCoder 2 15B |
|---|---|---|
| LMArena Longer Query | 1241 | — |

## Writing & Preference

- Llama 3.1-70B: 35.4 (#267)
- StarCoder 2 15B: —

| Benchmark | Llama 3.1-70B | StarCoder 2 15B |
|---|---|---|
| LMArena Text | 1261 | — |
| LMArena Creative Writing | 1232 | — |
| EQ-Bench Creative Writing | 784 | — |
| WildBench | 75.8% | — |
| LMArena Multi-Turn | 1256 | — |

## FAQ

### Is Llama 3.1-70B better than StarCoder 2 15B?

Llama 3.1-70B has enough public results to be ranked (#308); StarCoder 2 15B does not yet, so treat this comparison as directional.

### Is Llama 3.1-70B or StarCoder 2 15B better for coding?

StarCoder 2 15B scores higher on coding benchmarks: 36.6 versus 30.3 in the Noometry coding category.

### How many benchmarks do Llama 3.1-70B and StarCoder 2 15B share?

3 benchmarks have published results for both models. Llama 3.1-70B has 35 scored results on Noometry and StarCoder 2 15B has 7.