# Qwen1.5-7B vs Sonar

> Sonar is the stronger model overall, scoring 37.8 to 30.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/qwen1-5-7b-vs-sonar
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in writing & preference, where Sonar leads 52.6 to 29.8.
- Qwen1.5-7B has downloadable open weights; the other is API-only.

## Snapshot

| | Qwen1.5-7B | Sonar |
|---|---|---|
| Provider | Alibaba (Qwen) | Perplexity |
| Noometry Index | 30.8 | 37.8 |
| Rank | 270 | 184 |
| Context | — | 128K |
| Input $/M | — | $1 |
| Output $/M | — | $1 |
| Weights | Open | Proprietary |

## Coding

- Qwen1.5-7B: 31.6 (#271)
- Sonar: 35.1 (#217)

| Benchmark | Qwen1.5-7B | Sonar |
|---|---|---|
| LiveBench Coding | — | 35.1% |
| LMArena Coding | 1107 | — |

## Reasoning

- Qwen1.5-7B: 19.5 (#237)
- Sonar: 20.3 (#221)

| Benchmark | Qwen1.5-7B | Sonar |
|---|---|---|
| LiveBench Reasoning | — | 46.3% |
| LMArena Hard Prompts | 1066 | — |
| LiveBench Data Analysis | — | 37.9% |
| LiveBench | — | 46.9% |

## Math

- Qwen1.5-7B: 29.0 (#222)
- Sonar: 31.3 (#197)

| Benchmark | Qwen1.5-7B | Sonar |
|---|---|---|
| LiveBench Math | — | 41.6% |
| LMArena Math | 1080 | — |

## Knowledge

- Qwen1.5-7B: 28.2 (#239)
- Sonar: —

| Benchmark | Qwen1.5-7B | Sonar |
|---|---|---|
| LMArena Expert | 1055 | — |
| MMLU | 62.6% | — |

## Multilingual

- Qwen1.5-7B: 28.6 (#266)
- Sonar: —

| Benchmark | Qwen1.5-7B | Sonar |
|---|---|---|
| LMArena Non-English | 1058 | — |
| LMArena Chinese | 1140 | — |
| LMArena Russian | 1006 | — |

## Instruction Following

- Qwen1.5-7B: 54.4 (#276)
- Sonar: 71.5 (#146)

| Benchmark | Qwen1.5-7B | Sonar |
|---|---|---|
| LiveBench Instruction Following | — | 76.2% |
| LMArena Instruction Following | 1058 | — |

## Long Context

- Qwen1.5-7B: 33.1 (#261)
- Sonar: —

| Benchmark | Qwen1.5-7B | Sonar |
|---|---|---|
| LMArena Longer Query | 1090 | — |

## Writing & Preference

- Qwen1.5-7B: 29.8 (#288)
- Sonar: 52.6 (#166)

| Benchmark | Qwen1.5-7B | Sonar |
|---|---|---|
| LMArena Text | 1084 | — |
| LMArena Creative Writing | 1035 | — |
| LMArena Multi-Turn | 1061 | — |
| LiveBench Language | — | 44.1% |

## FAQ

### Is Qwen1.5-7B better than Sonar?

Sonar is the stronger model overall, scoring 37.8 to 30.8 on the Noometry Index.

### Is Qwen1.5-7B or Sonar better for coding?

Sonar scores higher on coding benchmarks: 35.1 versus 31.6 in the Noometry coding category.

### How many benchmarks do Qwen1.5-7B and Sonar share?

0 benchmarks have published results for both models. Qwen1.5-7B has 13 scored results on Noometry and Sonar has 7.