# Longcat Flash Chat vs Qwen1.5-7B

> Longcat Flash Chat is the stronger model overall, scoring 42.1 to 31.4 on the Noometry Index.

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

## Summary

- They share 12 benchmarks with published results for both. Longcat Flash Chat scores higher in 7 categories and Qwen1.5-7B in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Longcat Flash Chat leads 61.0 to 29.6.

## Snapshot

| | Longcat Flash Chat | Qwen1.5-7B |
|---|---|---|
| Provider | Meituan | Alibaba (Qwen) |
| Noometry Index | 42.1 | 31.4 |
| Rank | 120 | 273 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Open |

## Coding

- Longcat Flash Chat: 43.5 (#87)
- Qwen1.5-7B: 32.2 (#276)

| Benchmark | Longcat Flash Chat | Qwen1.5-7B |
|---|---|---|
| LMArena Coding | 1471 | 1107 |

## Reasoning

- Longcat Flash Chat: 19.0 (#272)
- Qwen1.5-7B: 20.4 (#240)

| Benchmark | Longcat Flash Chat | Qwen1.5-7B |
|---|---|---|
| LMArena Hard Prompts | 1440 | 1065 |
| Kagi LLM Benchmark | 43.9% | — |
| NYT Connections (extended) | 17.7% | — |

## Math

- Longcat Flash Chat: 39.4 (#107)
- Qwen1.5-7B: 31.4 (#224)

| Benchmark | Longcat Flash Chat | Qwen1.5-7B |
|---|---|---|
| LMArena Math | 1442 | 1080 |

## Knowledge

- Longcat Flash Chat: 40.6 (#116)
- Qwen1.5-7B: 28.7 (#243)

| Benchmark | Longcat Flash Chat | Qwen1.5-7B |
|---|---|---|
| LMArena Expert | 1454 | 1055 |
| MMLU | — | 62.6% |

## Multilingual

- Longcat Flash Chat: 51.9 (#101)
- Qwen1.5-7B: 28.5 (#271)

| Benchmark | Longcat Flash Chat | Qwen1.5-7B |
|---|---|---|
| LMArena Non-English | 1404 | 1058 |
| LMArena Chinese | 1465 | 1141 |
| LMArena Russian | 1395 | 1006 |
| LMArena French | 1456 | — |
| LMArena German | 1408 | — |
| LMArena Japanese | 1373 | — |
| LMArena Korean | 1371 | — |
| LMArena Spanish | 1445 | — |

## Instruction Following

- Longcat Flash Chat: 74.4 (#96)
- Qwen1.5-7B: 54.1 (#281)

| Benchmark | Longcat Flash Chat | Qwen1.5-7B |
|---|---|---|
| LMArena Instruction Following | 1411 | 1058 |

## Long Context

- Longcat Flash Chat: 43.5 (#93)
- Qwen1.5-7B: 33.1 (#266)

| Benchmark | Longcat Flash Chat | Qwen1.5-7B |
|---|---|---|
| LMArena Longer Query | 1425 | 1090 |

## Writing & Preference

- Longcat Flash Chat: 61.0 (#91)
- Qwen1.5-7B: 29.6 (#293)

| Benchmark | Longcat Flash Chat | Qwen1.5-7B |
|---|---|---|
| LMArena Text | 1427 | 1083 |
| LMArena Creative Writing | 1388 | 1035 |
| LMArena Multi-Turn | 1418 | 1062 |

## FAQ

### Is Longcat Flash Chat better than Qwen1.5-7B?

Longcat Flash Chat is the stronger model overall, scoring 42.1 to 31.4 on the Noometry Index.

### Is Longcat Flash Chat or Qwen1.5-7B better for coding?

Longcat Flash Chat scores higher on coding benchmarks: 43.5 versus 32.2 in the Noometry coding category.

### How many benchmarks do Longcat Flash Chat and Qwen1.5-7B share?

12 benchmarks have published results for both models. Longcat Flash Chat has 19 scored results on Noometry and Qwen1.5-7B has 13.