# Llama 2-7B vs Sonar

> Sonar is the stronger model overall, scoring 37.8 to 28.6 on the Noometry Index.

- Canonical page: https://noometry.com/compare/llama-2-7b-vs-sonar
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in writing & preference, where Sonar leads 52.6 to 28.1.
- Llama 2-7B has downloadable open weights; the other is API-only.

## Snapshot

| | Llama 2-7B | Sonar |
|---|---|---|
| Provider | Meta | Perplexity |
| Noometry Index | 28.6 | 37.8 |
| Rank | 315 | 184 |
| Context | — | 128K |
| Input $/M | — | $1 |
| Output $/M | — | $1 |
| Weights | Open | Proprietary |

## Coding

- Llama 2-7B: 28.7 (#302)
- Sonar: 35.1 (#217)

| Benchmark | Llama 2-7B | Sonar |
|---|---|---|
| LiveBench Coding | — | 35.1% |
| LMArena Coding | 1002 | — |

## Reasoning

- Llama 2-7B: 15.1 (#309)
- Sonar: 20.3 (#221)

| Benchmark | Llama 2-7B | Sonar |
|---|---|---|
| Chess Puzzles | 0% | — |
| LiveBench Reasoning | — | 46.3% |
| LMArena Hard Prompts | 1009 | — |
| LiveBench Data Analysis | — | 37.9% |
| BIG-Bench Hard | 39.2% | — |
| Epoch Capabilities Index | 98.54 | — |
| HellaSwag | 77.2% | — |
| LAMBADA | 73.3% | — |
| LiveBench | — | 46.9% |
| PIQA | 78.8% | — |
| WinoGrande | 69.2% | — |

## Math

- Llama 2-7B: 28.2 (#231)
- Sonar: 31.3 (#197)

| Benchmark | Llama 2-7B | Sonar |
|---|---|---|
| LiveBench Math | — | 41.6% |
| LMArena Math | 1042 | — |
| GSM8K | 16.7% | — |

## Knowledge

- Llama 2-7B: 27.7 (#243)
- Sonar: —

| Benchmark | Llama 2-7B | Sonar |
|---|---|---|
| LMArena Expert | 1036 | — |
| ARC (AI2) Challenge | 45.9% | — |
| BoolQ | 77.9% | — |
| MMLU | 45.8% | — |
| OpenBookQA | 58.6% | — |
| TriviaQA | 73.7% | — |

## Multimodal

- Llama 2-7B: —
- Sonar: —

| Benchmark | Llama 2-7B | Sonar |
|---|---|---|
| ScienceQA | 43.1% | — |

## Multilingual

- Llama 2-7B: 23.9 (#288)
- Sonar: —

| Benchmark | Llama 2-7B | Sonar |
|---|---|---|
| LMArena Non-English | 973 | — |
| LMArena Chinese | 973 | — |
| LMArena French | 969 | — |
| LMArena German | 978 | — |
| LMArena Russian | 995 | — |
| LMArena Spanish | 1007 | — |

## Instruction Following

- Llama 2-7B: 51.0 (#293)
- Sonar: 71.5 (#146)

| Benchmark | Llama 2-7B | Sonar |
|---|---|---|
| LiveBench Instruction Following | — | 76.2% |
| LMArena Instruction Following | 1006 | — |

## Long Context

- Llama 2-7B: 30.4 (#282)
- Sonar: —

| Benchmark | Llama 2-7B | Sonar |
|---|---|---|
| LMArena Longer Query | 999 | — |

## Writing & Preference

- Llama 2-7B: 28.1 (#293)
- Sonar: 52.6 (#166)

| Benchmark | Llama 2-7B | Sonar |
|---|---|---|
| LMArena Text | 1053 | — |
| LMArena Creative Writing | 1033 | — |
| LMArena Multi-Turn | 1029 | — |
| LiveBench Language | — | 44.1% |

## FAQ

### Is Llama 2-7B better than Sonar?

Sonar is the stronger model overall, scoring 37.8 to 28.6 on the Noometry Index.

### Is Llama 2-7B or Sonar better for coding?

Sonar scores higher on coding benchmarks: 35.1 versus 28.7 in the Noometry coding category.

### How many benchmarks do Llama 2-7B and Sonar share?

0 benchmarks have published results for both models. Llama 2-7B has 29 scored results on Noometry and Sonar has 7.