# Claude 2.1 vs Qwen1.5-7B

> Qwen1.5-7B is the stronger model overall, scoring 30.8 to 24.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-2-1-vs-qwen1-5-7b
- Last updated: 2026-10-10
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. Claude 2.1 scores higher in 1 category and Qwen1.5-7B in 3 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in math, where Qwen1.5-7B leads 29.0 to 9.6.
- Qwen1.5-7B has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 2.1 | Qwen1.5-7B |
|---|---|---|
| Provider | Anthropic | Alibaba (Qwen) |
| Noometry Index | 24.9 | 30.8 |
| Rank | 340 | 270 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Claude 2.1: 25.8 (#322)
- Qwen1.5-7B: 31.6 (#271)

| Benchmark | Claude 2.1 | Qwen1.5-7B |
|---|---|---|
| WeirdML | 7.1% | — |
| LMArena Coding | — | 1107 |

## Reasoning

- Claude 2.1: 20.6 (#216)
- Qwen1.5-7B: 19.5 (#237)

| Benchmark | Claude 2.1 | Qwen1.5-7B |
|---|---|---|
| LMArena Hard Prompts | — | 1066 |
| DTBench | 51% | — |
| Epoch Capabilities Index | 119.22 | — |
| ForecastBench | 54.2 | — |

## Math

- Claude 2.1: 9.6 (#309)
- Qwen1.5-7B: 29.0 (#222)

| Benchmark | Claude 2.1 | Qwen1.5-7B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.9% | — |
| LMArena Math | — | 1080 |

## Knowledge

- Claude 2.1: 15.5 (#287)
- Qwen1.5-7B: 28.2 (#239)

| Benchmark | Claude 2.1 | Qwen1.5-7B |
|---|---|---|
| MMLU | 73.5% | 62.6% |
| GPQA Diamond | 33% | — |
| LMArena Expert | — | 1055 |

## Multilingual

- Claude 2.1: —
- Qwen1.5-7B: 28.6 (#266)

| Benchmark | Claude 2.1 | Qwen1.5-7B |
|---|---|---|
| LMArena Non-English | — | 1058 |
| LMArena Chinese | — | 1140 |
| LMArena Russian | — | 1006 |

## Instruction Following

- Claude 2.1: —
- Qwen1.5-7B: 54.4 (#276)

| Benchmark | Claude 2.1 | Qwen1.5-7B |
|---|---|---|
| LMArena Instruction Following | — | 1058 |

## Long Context

- Claude 2.1: —
- Qwen1.5-7B: 33.1 (#261)

| Benchmark | Claude 2.1 | Qwen1.5-7B |
|---|---|---|
| LMArena Longer Query | — | 1090 |

## Writing & Preference

- Claude 2.1: —
- Qwen1.5-7B: 29.8 (#288)

| Benchmark | Claude 2.1 | Qwen1.5-7B |
|---|---|---|
| LMArena Text | — | 1084 |
| LMArena Creative Writing | — | 1035 |
| LMArena Multi-Turn | — | 1061 |

## FAQ

### Is Claude 2.1 better than Qwen1.5-7B?

Qwen1.5-7B is the stronger model overall, scoring 30.8 to 24.9 on the Noometry Index.

### Is Claude 2.1 or Qwen1.5-7B better for coding?

Qwen1.5-7B scores higher on coding benchmarks: 31.6 versus 25.8 in the Noometry coding category.

### How many benchmarks do Claude 2.1 and Qwen1.5-7B share?

1 benchmark has published results for both models. Claude 2.1 has 7 scored results on Noometry and Qwen1.5-7B has 13.