# Longcat Flash Chat vs Qwen3.6 Flash

> Longcat Flash Chat is the stronger model overall, scoring 42.1 to 38.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/longcat-flash-chat-vs-qwen3-6-flash
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where Qwen3.6 Flash leads 29.0 to 19.0.
- Longcat Flash Chat has downloadable open weights; the other is API-only.

## Snapshot

| | Longcat Flash Chat | Qwen3.6 Flash |
|---|---|---|
| Provider | Meituan | Alibaba (Qwen) |
| Noometry Index | 42.1 | 38.8 |
| Rank | 120 | 182 |
| Context | — | 1M |
| Input $/M | — | $0.19 |
| Output $/M | — | $1.13 |
| Weights | Open | Proprietary |

## Coding

- Longcat Flash Chat: 43.5 (#87)
- Qwen3.6 Flash: —

| Benchmark | Longcat Flash Chat | Qwen3.6 Flash |
|---|---|---|
| LMArena Coding | 1471 | — |
| ALE-Bench | — | 326.4 |

## Reasoning

- Longcat Flash Chat: 19.0 (#272)
- Qwen3.6 Flash: 29.0 (#96)

| Benchmark | Longcat Flash Chat | Qwen3.6 Flash |
|---|---|---|
| SimpleBench | — | 35.2% |
| Kagi LLM Benchmark | 43.9% | — |
| NYT Connections (extended) | 17.7% | — |
| Chess Puzzles | — | 20% |
| LMArena Hard Prompts | 1440 | — |
| Mystery Game Puzzles | — | 18% |
| DTBench | — | 77.1% |
| LMCA | — | 31% |
| Epoch Capabilities Index | — | 143.26 |

## Math

- Longcat Flash Chat: 39.4 (#107)
- Qwen3.6 Flash: 39.0 (#117)

| Benchmark | Longcat Flash Chat | Qwen3.6 Flash |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 22.5% |
| OTIS Mock AIME 2024-2025 | — | 84.4% |
| LMArena Math | 1442 | — |
| FrontierMath (Feb 2025 set) | — | 10.3% |
| FrontierMath Tier 4 (v1) | — | 0% |

## Knowledge

- Longcat Flash Chat: 40.6 (#116)
- Qwen3.6 Flash: 42.1 (#100)

| Benchmark | Longcat Flash Chat | Qwen3.6 Flash |
|---|---|---|
| GPQA Diamond | — | 83.3% |
| SimpleQA Verified | — | 15.9% |
| LMArena Expert | 1454 | — |

## Multilingual

- Longcat Flash Chat: 51.9 (#101)
- Qwen3.6 Flash: —

| Benchmark | Longcat Flash Chat | Qwen3.6 Flash |
|---|---|---|
| LMArena Non-English | 1404 | — |
| LMArena Chinese | 1465 | — |
| LMArena French | 1456 | — |
| LMArena German | 1408 | — |
| LMArena Japanese | 1373 | — |
| LMArena Korean | 1371 | — |
| LMArena Russian | 1395 | — |
| LMArena Spanish | 1445 | — |

## Instruction Following

- Longcat Flash Chat: 74.4 (#96)
- Qwen3.6 Flash: —

| Benchmark | Longcat Flash Chat | Qwen3.6 Flash |
|---|---|---|
| LMArena Instruction Following | 1411 | — |

## Long Context

- Longcat Flash Chat: 43.5 (#93)
- Qwen3.6 Flash: —

| Benchmark | Longcat Flash Chat | Qwen3.6 Flash |
|---|---|---|
| LMArena Longer Query | 1425 | — |

## Writing & Preference

- Longcat Flash Chat: 61.0 (#91)
- Qwen3.6 Flash: —

| Benchmark | Longcat Flash Chat | Qwen3.6 Flash |
|---|---|---|
| LMArena Text | 1427 | — |
| LMArena Creative Writing | 1388 | — |
| LMArena Multi-Turn | 1418 | — |

## FAQ

### Is Longcat Flash Chat better than Qwen3.6 Flash?

Longcat Flash Chat is the stronger model overall, scoring 42.1 to 38.8 on the Noometry Index.

### How many benchmarks do Longcat Flash Chat and Qwen3.6 Flash share?

0 benchmarks have published results for both models. Longcat Flash Chat has 19 scored results on Noometry and Qwen3.6 Flash has 13.