# Longcat Flash Chat vs Qwen2.5-Max

> Longcat Flash Chat is the stronger model overall, scoring 42.1 to 40.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/longcat-flash-chat-vs-qwen2-5-max
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Longcat Flash Chat scores higher in 7 categories and Qwen2.5-Max in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Qwen2.5-Max leads 25.6 to 19.0.
- Longcat Flash Chat has downloadable open weights; the other is API-only.

## Snapshot

| | Longcat Flash Chat | Qwen2.5-Max |
|---|---|---|
| Provider | Meituan | Alibaba (Qwen) |
| Noometry Index | 42.1 | 40.7 |
| Rank | 120 | 146 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Proprietary |

## Coding

- Longcat Flash Chat: 43.5 (#87)
- Qwen2.5-Max: 41.8 (#117)

| Benchmark | Longcat Flash Chat | Qwen2.5-Max |
|---|---|---|
| LMArena Coding | 1471 | 1359 |
| LiveBench Coding | — | 64.4% |

## Reasoning

- Longcat Flash Chat: 19.0 (#272)
- Qwen2.5-Max: 25.6 (#147)

| Benchmark | Longcat Flash Chat | Qwen2.5-Max |
|---|---|---|
| LMArena Hard Prompts | 1440 | 1360 |
| Kagi LLM Benchmark | 43.9% | — |
| NYT Connections (extended) | 17.7% | — |
| LiveBench Reasoning | — | 51.4% |
| LiveBench Data Analysis | — | 67.9% |
| Epoch Capabilities Index | — | 132.53 |
| LiveBench | — | 62.3% |

## Math

- Longcat Flash Chat: 39.4 (#107)
- Qwen2.5-Max: 36.9 (#162)

| Benchmark | Longcat Flash Chat | Qwen2.5-Max |
|---|---|---|
| LMArena Math | 1442 | 1369 |
| LiveBench Math | — | 58.4% |

## Knowledge

- Longcat Flash Chat: 40.6 (#116)
- Qwen2.5-Max: 35.3 (#186)

| Benchmark | Longcat Flash Chat | Qwen2.5-Max |
|---|---|---|
| LMArena Expert | 1454 | 1337 |
| Confabulations | — | 21.8% |

## Multilingual

- Longcat Flash Chat: 51.9 (#101)
- Qwen2.5-Max: 48.1 (#146)

| Benchmark | Longcat Flash Chat | Qwen2.5-Max |
|---|---|---|
| LMArena Non-English | 1404 | 1352 |
| LMArena Chinese | 1465 | 1382 |
| LMArena French | 1456 | 1396 |
| LMArena German | 1408 | 1350 |
| LMArena Japanese | 1373 | 1300 |
| LMArena Korean | 1371 | 1304 |
| LMArena Russian | 1395 | 1353 |
| LMArena Spanish | 1445 | 1377 |

## Instruction Following

- Longcat Flash Chat: 74.4 (#96)
- Qwen2.5-Max: 71.3 (#152)

| Benchmark | Longcat Flash Chat | Qwen2.5-Max |
|---|---|---|
| LMArena Instruction Following | 1411 | 1335 |
| LiveBench Instruction Following | — | 75.3% |

## Long Context

- Longcat Flash Chat: 43.5 (#93)
- Qwen2.5-Max: 41.4 (#142)

| Benchmark | Longcat Flash Chat | Qwen2.5-Max |
|---|---|---|
| LMArena Longer Query | 1425 | 1358 |

## Writing & Preference

- Longcat Flash Chat: 61.0 (#91)
- Qwen2.5-Max: 55.4 (#146)

| Benchmark | Longcat Flash Chat | Qwen2.5-Max |
|---|---|---|
| LMArena Text | 1427 | 1367 |
| LMArena Creative Writing | 1388 | 1339 |
| LMArena Multi-Turn | 1418 | 1364 |
| Short-Story Creative Writing | — | 72.9% |
| LiveBench Language | — | 56.3% |

## FAQ

### Is Longcat Flash Chat better than Qwen2.5-Max?

Longcat Flash Chat is the stronger model overall, scoring 42.1 to 40.7 on the Noometry Index.

### Is Longcat Flash Chat or Qwen2.5-Max better for coding?

Longcat Flash Chat scores higher on coding benchmarks: 43.5 versus 41.8 in the Noometry coding category.

### How many benchmarks do Longcat Flash Chat and Qwen2.5-Max share?

17 benchmarks have published results for both models. Longcat Flash Chat has 19 scored results on Noometry and Qwen2.5-Max has 27.