# Longcat Flash Chat vs Qwen1.5-72B

> Longcat Flash Chat is the stronger model overall, scoring 42.1 to 30.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/longcat-flash-chat-vs-qwen1-5-72b
- Last updated: 2026-10-12
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Longcat Flash Chat scores higher in 7 categories and Qwen1.5-72B in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Longcat Flash Chat leads 40.6 to 11.5.

## Snapshot

| | Longcat Flash Chat | Qwen1.5-72B |
|---|---|---|
| Provider | Meituan | Alibaba (Qwen) |
| Noometry Index | 42.1 | 30.8 |
| Rank | 120 | 285 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Open |

## Coding

- Longcat Flash Chat: 43.5 (#87)
- Qwen1.5-72B: 31.9 (#277)

| Benchmark | Longcat Flash Chat | Qwen1.5-72B |
|---|---|---|
| LMArena Coding | 1471 | 1165 |
| BigCodeBench Instruct | — | 33.2% |
| BigCodeBench Complete | — | 40.3% |
| HumanEval+ | — | 59.1% |
| MBPP+ | — | 61.6% |

## Reasoning

- Longcat Flash Chat: 19.0 (#272)
- Qwen1.5-72B: 22.2 (#203)

| Benchmark | Longcat Flash Chat | Qwen1.5-72B |
|---|---|---|
| LMArena Hard Prompts | 1440 | 1148 |
| Kagi LLM Benchmark | 43.9% | — |
| NYT Connections (extended) | 17.7% | — |

## Math

- Longcat Flash Chat: 39.4 (#107)
- Qwen1.5-72B: 33.2 (#205)

| Benchmark | Longcat Flash Chat | Qwen1.5-72B |
|---|---|---|
| LMArena Math | 1442 | 1164 |

## Knowledge

- Longcat Flash Chat: 40.6 (#116)
- Qwen1.5-72B: 11.5 (#300)

| Benchmark | Longcat Flash Chat | Qwen1.5-72B |
|---|---|---|
| LMArena Expert | 1454 | 1136 |
| GPQA Diamond | — | 28.8% |

## Multilingual

- Longcat Flash Chat: 51.9 (#101)
- Qwen1.5-72B: 33.2 (#253)

| Benchmark | Longcat Flash Chat | Qwen1.5-72B |
|---|---|---|
| LMArena Non-English | 1404 | 1135 |
| LMArena Chinese | 1465 | 1186 |
| LMArena French | 1456 | 1159 |
| LMArena German | 1408 | 1084 |
| LMArena Japanese | 1373 | 1061 |
| LMArena Korean | 1371 | 1050 |
| LMArena Russian | 1395 | 1104 |
| LMArena Spanish | 1445 | 1110 |

## Instruction Following

- Longcat Flash Chat: 74.4 (#96)
- Qwen1.5-72B: 59.3 (#256)

| Benchmark | Longcat Flash Chat | Qwen1.5-72B |
|---|---|---|
| LMArena Instruction Following | 1411 | 1141 |

## Long Context

- Longcat Flash Chat: 43.5 (#93)
- Qwen1.5-72B: 35.1 (#243)

| Benchmark | Longcat Flash Chat | Qwen1.5-72B |
|---|---|---|
| LMArena Longer Query | 1425 | 1157 |

## Writing & Preference

- Longcat Flash Chat: 61.0 (#91)
- Qwen1.5-72B: 37.3 (#258)

| Benchmark | Longcat Flash Chat | Qwen1.5-72B |
|---|---|---|
| LMArena Text | 1427 | 1166 |
| LMArena Creative Writing | 1388 | 1137 |
| LMArena Multi-Turn | 1418 | 1160 |

## FAQ

### Is Longcat Flash Chat better than Qwen1.5-72B?

Longcat Flash Chat is the stronger model overall, scoring 42.1 to 30.8 on the Noometry Index.

### Is Longcat Flash Chat or Qwen1.5-72B better for coding?

Longcat Flash Chat scores higher on coding benchmarks: 43.5 versus 31.9 in the Noometry coding category.

### How many benchmarks do Longcat Flash Chat and Qwen1.5-72B share?

17 benchmarks have published results for both models. Longcat Flash Chat has 19 scored results on Noometry and Qwen1.5-72B has 22.