# Longcat Flash Chat vs Qwen1.5-14B

> Longcat Flash Chat is the stronger model overall, scoring 41.5 to 32.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/longcat-flash-chat-vs-qwen1-5-14b
- Last updated: 2026-10-10
- Shared benchmarks: 16

## Summary

- They share 16 benchmarks with published results for both. Longcat Flash Chat scores higher in 7 categories and Qwen1.5-14B in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Longcat Flash Chat leads 61.2 to 33.7.

## Snapshot

| | Longcat Flash Chat | Qwen1.5-14B |
|---|---|---|
| Provider | Meituan | Alibaba (Qwen) |
| Noometry Index | 41.5 | 32.1 |
| Rank | 121 | 250 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Open |

## Coding

- Longcat Flash Chat: 42.9 (#85)
- Qwen1.5-14B: 32.5 (#259)

| Benchmark | Longcat Flash Chat | Qwen1.5-14B |
|---|---|---|
| LMArena Coding | 1471 | 1138 |

## Reasoning

- Longcat Flash Chat: 18.3 (#267)
- Qwen1.5-14B: 20.5 (#217)

| Benchmark | Longcat Flash Chat | Qwen1.5-14B |
|---|---|---|
| LMArena Hard Prompts | 1440 | 1113 |
| Kagi LLM Benchmark | 43.9% | — |
| NYT Connections (extended) | 17.7% | — |

## Math

- Longcat Flash Chat: 36.6 (#107)
- Qwen1.5-14B: 29.9 (#214)

| Benchmark | Longcat Flash Chat | Qwen1.5-14B |
|---|---|---|
| LMArena Math | 1441 | 1125 |

## Knowledge

- Longcat Flash Chat: 40.0 (#111)
- Qwen1.5-14B: 29.3 (#230)

| Benchmark | Longcat Flash Chat | Qwen1.5-14B |
|---|---|---|
| LMArena Expert | 1454 | 1094 |
| MMLU | — | 68.6% |

## Multilingual

- Longcat Flash Chat: 52.1 (#95)
- Qwen1.5-14B: 30.8 (#257)

| Benchmark | Longcat Flash Chat | Qwen1.5-14B |
|---|---|---|
| LMArena Non-English | 1404 | 1095 |
| LMArena Chinese | 1465 | 1147 |
| LMArena French | 1457 | 1115 |
| LMArena German | 1409 | 1043 |
| LMArena Japanese | 1373 | 1019 |
| LMArena Russian | 1396 | 1046 |
| LMArena Spanish | 1445 | 1085 |
| LMArena Korean | 1372 | — |

## Instruction Following

- Longcat Flash Chat: 74.6 (#92)
- Qwen1.5-14B: 57.1 (#266)

| Benchmark | Longcat Flash Chat | Qwen1.5-14B |
|---|---|---|
| LMArena Instruction Following | 1411 | 1102 |

## Long Context

- Longcat Flash Chat: 43.5 (#89)
- Qwen1.5-14B: 33.7 (#252)

| Benchmark | Longcat Flash Chat | Qwen1.5-14B |
|---|---|---|
| LMArena Longer Query | 1425 | 1113 |

## Writing & Preference

- Longcat Flash Chat: 61.2 (#88)
- Qwen1.5-14B: 33.7 (#270)

| Benchmark | Longcat Flash Chat | Qwen1.5-14B |
|---|---|---|
| LMArena Text | 1427 | 1128 |
| LMArena Creative Writing | 1388 | 1091 |
| LMArena Multi-Turn | 1418 | 1110 |

## FAQ

### Is Longcat Flash Chat better than Qwen1.5-14B?

Longcat Flash Chat is the stronger model overall, scoring 41.5 to 32.1 on the Noometry Index.

### Is Longcat Flash Chat or Qwen1.5-14B better for coding?

Longcat Flash Chat scores higher on coding benchmarks: 42.9 versus 32.5 in the Noometry coding category.

### How many benchmarks do Longcat Flash Chat and Qwen1.5-14B share?

16 benchmarks have published results for both models. Longcat Flash Chat has 19 scored results on Noometry and Qwen1.5-14B has 17.