# Claude 3 Sonnet vs Llama 2-7B

> Claude 3 Sonnet and Llama 2-7B score almost the same on the Noometry Index (29.0 vs 29.1), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/claude-3-sonnet-vs-llama-2-7b
- Last updated: 2026-10-10
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. Claude 3 Sonnet scores higher in 6 categories and Llama 2-7B in 2 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in math, where Llama 2-7B leads 30.7 to 10.7.
- Llama 2-7B has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 3 Sonnet | Llama 2-7B |
|---|---|---|
| Provider | Anthropic | Meta |
| Noometry Index | 29.0 | 29.1 |
| Rank | 319 | 317 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Claude 3 Sonnet: 29.6 (#302)
- Llama 2-7B: 29.2 (#307)

| Benchmark | Claude 3 Sonnet | Llama 2-7B |
|---|---|---|
| LMArena Coding | 1223 | 1002 |
| WeirdML | 10.2% | — |
| BigCodeBench Instruct | 42.7% | — |
| BigCodeBench Complete | 53.8% | — |
| HumanEval+ | 64% | — |
| MBPP+ | 69.3% | — |

## Reasoning

- Claude 3 Sonnet: 20.5 (#237)
- Llama 2-7B: 15.7 (#312)

| Benchmark | Claude 3 Sonnet | Llama 2-7B |
|---|---|---|
| LMArena Hard Prompts | 1197 | 1009 |
| Epoch Capabilities Index | 120.7 | 99.06 |
| WinoGrande | 75.1% | 69.2% |
| Chess Puzzles | — | 0% |
| DTBench | 53.6% | — |
| BIG-Bench Hard | — | 39.2% |
| HellaSwag | — | 77.2% |
| LAMBADA | — | 73.3% |
| PIQA | — | 78.8% |

## Math

- Claude 3 Sonnet: 10.7 (#310)
- Llama 2-7B: 30.7 (#233)

| Benchmark | Claude 3 Sonnet | Llama 2-7B |
|---|---|---|
| LMArena Math | 1213 | 1042 |
| OTIS Mock AIME 2024-2025 | 2.5% | — |
| MATH Level 5 | 18.2% | — |
| GSM8K | — | 16.7% |

## Knowledge

- Claude 3 Sonnet: 21.1 (#276)
- Llama 2-7B: 28.2 (#248)

| Benchmark | Claude 3 Sonnet | Llama 2-7B |
|---|---|---|
| LMArena Expert | 1173 | 1036 |
| MMLU | 75.9% | 45.8% |
| GPQA Diamond | 40.6% | — |
| ARC (AI2) Challenge | — | 45.9% |
| BoolQ | — | 77.9% |
| OpenBookQA | — | 58.6% |
| TriviaQA | — | 73.7% |

## Multimodal

- Claude 3 Sonnet: 25.2 (#125)
- Llama 2-7B: —

| Benchmark | Claude 3 Sonnet | Llama 2-7B |
|---|---|---|
| LMArena Vision | 984 | — |
| ScienceQA | — | 43.1% |

## Multilingual

- Claude 3 Sonnet: 37.8 (#234)
- Llama 2-7B: 23.8 (#293)

| Benchmark | Claude 3 Sonnet | Llama 2-7B |
|---|---|---|
| LMArena Non-English | 1205 | 973 |
| LMArena Chinese | 1189 | 973 |
| LMArena French | 1229 | 970 |
| LMArena German | 1204 | 978 |
| LMArena Russian | 1227 | 995 |
| LMArena Spanish | 1204 | 1007 |
| LMArena Japanese | 1131 | — |
| LMArena Korean | 1128 | — |

## Instruction Following

- Claude 3 Sonnet: 62.8 (#235)
- Llama 2-7B: 50.8 (#298)

| Benchmark | Claude 3 Sonnet | Llama 2-7B |
|---|---|---|
| LMArena Instruction Following | 1199 | 1006 |

## Long Context

- Claude 3 Sonnet: 36.7 (#228)
- Llama 2-7B: 30.4 (#287)

| Benchmark | Claude 3 Sonnet | Llama 2-7B |
|---|---|---|
| LMArena Longer Query | 1211 | 999 |

## Writing & Preference

- Claude 3 Sonnet: 42.1 (#238)
- Llama 2-7B: 28.0 (#298)

| Benchmark | Claude 3 Sonnet | Llama 2-7B |
|---|---|---|
| LMArena Text | 1218 | 1053 |
| LMArena Creative Writing | 1186 | 1033 |
| LMArena Multi-Turn | 1227 | 1029 |

## FAQ

### Is Claude 3 Sonnet better than Llama 2-7B?

Claude 3 Sonnet and Llama 2-7B score almost the same on the Noometry Index (29.0 vs 29.1), so choose on price, context window or the category you care about most.

### Is Claude 3 Sonnet or Llama 2-7B better for coding?

They score almost the same on coding (29.6 vs 29.2); test both on your own repository before choosing.

### How many benchmarks do Claude 3 Sonnet and Llama 2-7B share?

18 benchmarks have published results for both models. Claude 3 Sonnet has 30 scored results on Noometry and Llama 2-7B has 29.