# Qwen Plus vs Qwen1.5-7B

> Qwen Plus is the stronger model overall, scoring 36.7 to 30.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/qwen-plus-vs-qwen1-5-7b
- Last updated: 2026-10-10
- Shared benchmarks: 12

## Summary

- They share 12 benchmarks with published results for both. Qwen Plus scores higher in 6 categories and Qwen1.5-7B in 2 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Qwen Plus leads 52.4 to 29.8.
- Qwen1.5-7B has downloadable open weights; the other is API-only.

## Snapshot

| | Qwen Plus | Qwen1.5-7B |
|---|---|---|
| Provider | Alibaba (Qwen) | Alibaba (Qwen) |
| Noometry Index | 36.7 | 30.8 |
| Rank | 204 | 270 |
| Context | 1M | — |
| Input $/M | $0.40 | — |
| Output $/M | $1.20 | — |
| Weights | Proprietary | Open |

## Coding

- Qwen Plus: 38.3 (#163)
- Qwen1.5-7B: 31.6 (#271)

| Benchmark | Qwen Plus | Qwen1.5-7B |
|---|---|---|
| LMArena Coding | 1328 | 1107 |

## Reasoning

- Qwen Plus: 27.6 (#101)
- Qwen1.5-7B: 19.5 (#237)

| Benchmark | Qwen Plus | Qwen1.5-7B |
|---|---|---|
| LMArena Hard Prompts | 1317 | 1066 |
| Kagi LLM Benchmark | 63.3% | — |
| DTBench | 81.1% | — |
| LMCA | 24% | — |

## Math

- Qwen Plus: 22.0 (#266)
- Qwen1.5-7B: 29.0 (#222)

| Benchmark | Qwen Plus | Qwen1.5-7B |
|---|---|---|
| LMArena Math | 1326 | 1080 |
| OTIS Mock AIME 2024-2025 | 17.8% | — |
| MATH Level 5 | 65.3% | — |
| FrontierMath (Feb 2025 set) | 1.7% | — |

## Knowledge

- Qwen Plus: 27.4 (#245)
- Qwen1.5-7B: 28.2 (#239)

| Benchmark | Qwen Plus | Qwen1.5-7B |
|---|---|---|
| LMArena Expert | 1328 | 1055 |
| GPQA Diamond | 48.1% | — |
| MMLU | — | 62.6% |

## Multilingual

- Qwen Plus: 45.3 (#170)
- Qwen1.5-7B: 28.6 (#266)

| Benchmark | Qwen Plus | Qwen1.5-7B |
|---|---|---|
| LMArena Non-English | 1310 | 1058 |
| LMArena Chinese | 1347 | 1140 |
| LMArena Russian | 1323 | 1006 |
| LMArena Japanese | 1251 | — |

## Instruction Following

- Qwen Plus: 69.0 (#176)
- Qwen1.5-7B: 54.4 (#276)

| Benchmark | Qwen Plus | Qwen1.5-7B |
|---|---|---|
| LMArena Instruction Following | 1303 | 1058 |

## Long Context

- Qwen Plus: 40.3 (#153)
- Qwen1.5-7B: 33.1 (#261)

| Benchmark | Qwen Plus | Qwen1.5-7B |
|---|---|---|
| LMArena Longer Query | 1325 | 1090 |

## Writing & Preference

- Qwen Plus: 52.4 (#171)
- Qwen1.5-7B: 29.8 (#288)

| Benchmark | Qwen Plus | Qwen1.5-7B |
|---|---|---|
| LMArena Text | 1326 | 1084 |
| LMArena Creative Writing | 1293 | 1035 |
| LMArena Multi-Turn | 1336 | 1061 |

## FAQ

### Is Qwen Plus better than Qwen1.5-7B?

Qwen Plus is the stronger model overall, scoring 36.7 to 30.8 on the Noometry Index.

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

Qwen Plus scores higher on coding benchmarks: 38.3 versus 31.6 in the Noometry coding category.

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

12 benchmarks have published results for both models. Qwen Plus has 20 scored results on Noometry and Qwen1.5-7B has 13.