# Longcat Flash Chat vs Qwen3.8 Max

> Qwen3.8 Max is the stronger model overall, scoring 56.8 to 42.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/longcat-flash-chat-vs-qwen3-8-max
- Last updated: 2026-10-11
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. Longcat Flash Chat scores higher in 0 categories and Qwen3.8 Max in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Qwen3.8 Max leads 54.4 to 19.0.
- The biggest single-benchmark swing is NYT Connections (extended): 17.7% for Longcat Flash Chat and 88.3% for Qwen3.8 Max.
- Longcat Flash Chat has downloadable open weights; the other is API-only.

## Snapshot

| | Longcat Flash Chat | Qwen3.8 Max |
|---|---|---|
| Provider | Meituan | Alibaba (Qwen) |
| Noometry Index | 42.1 | 56.8 |
| Rank | 120 | 22 |
| Context | — | 1M |
| Input $/M | — | $2 |
| Output $/M | — | $6 |
| Weights | Open | Proprietary |

## Coding

- Longcat Flash Chat: 43.5 (#87)
- Qwen3.8 Max: 53.5 (#29)

| Benchmark | Longcat Flash Chat | Qwen3.8 Max |
|---|---|---|
| LMArena Coding | 1471 | 1502 |
| DeepSWE | — | 57.5% |
| LMArena WebDev | — | 1674 |
| FrontierSWE | — | 17.8% |
| SciCode | — | 53.2% |

## Agentic & Tool Use

- Longcat Flash Chat: —
- Qwen3.8 Max: 45.4 (#14)

| Benchmark | Longcat Flash Chat | Qwen3.8 Max |
|---|---|---|
| APEX-Agents | — | 63.3% |
| τ²-bench Banking | — | 55.1% |
| GDP.pdf | — | 23.2% |

## Reasoning

- Longcat Flash Chat: 19.0 (#272)
- Qwen3.8 Max: 54.4 (#26)

| Benchmark | Longcat Flash Chat | Qwen3.8 Max |
|---|---|---|
| NYT Connections (extended) | 17.7% | 88.3% |
| LMArena Hard Prompts | 1440 | 1496 |
| Kagi LLM Benchmark | 43.9% | — |
| CritPt | — | 20% |
| Chess Puzzles | — | 40% |
| Mystery Game Puzzles | — | 38% |
| DTBench | — | 92% |
| LMCA | — | 46.2% |
| Epoch Capabilities Index | — | 156.41 |

## Math

- Longcat Flash Chat: 39.4 (#107)
- Qwen3.8 Max: 73.2 (#20)

| Benchmark | Longcat Flash Chat | Qwen3.8 Max |
|---|---|---|
| LMArena Math | 1442 | 1499 |
| FrontierMath (Tiers 1-3) | — | 74.7% |
| FrontierMath Tier 4 | — | 46.3% |
| OTIS Mock AIME 2024-2025 | — | 100% |
| ProofBench | — | 58% |

## Knowledge

- Longcat Flash Chat: 40.6 (#116)
- Qwen3.8 Max: 61.7 (#27)

| Benchmark | Longcat Flash Chat | Qwen3.8 Max |
|---|---|---|
| LMArena Expert | 1454 | 1507 |
| GPQA Diamond | — | 92.7% |
| SimpleQA Verified | — | 47.3% |

## Multimodal

- Longcat Flash Chat: —
- Qwen3.8 Max: 37.2 (#75)

| Benchmark | Longcat Flash Chat | Qwen3.8 Max |
|---|---|---|
| LMArena Vision | — | 1314 |
| Furniture Assembly | — | 20% |

## Multilingual

- Longcat Flash Chat: 51.9 (#101)
- Qwen3.8 Max: 56.7 (#18)

| Benchmark | Longcat Flash Chat | Qwen3.8 Max |
|---|---|---|
| LMArena Non-English | 1404 | 1472 |
| LMArena Chinese | 1465 | 1538 |
| LMArena French | 1456 | 1503 |
| LMArena German | 1408 | 1483 |
| LMArena Japanese | 1373 | 1467 |
| LMArena Korean | 1371 | 1461 |
| LMArena Russian | 1395 | 1481 |
| LMArena Spanish | 1445 | 1492 |

## Instruction Following

- Longcat Flash Chat: 74.4 (#96)
- Qwen3.8 Max: 77.6 (#17)

| Benchmark | Longcat Flash Chat | Qwen3.8 Max |
|---|---|---|
| LMArena Instruction Following | 1411 | 1479 |

## Long Context

- Longcat Flash Chat: 43.5 (#93)
- Qwen3.8 Max: 45.6 (#31)

| Benchmark | Longcat Flash Chat | Qwen3.8 Max |
|---|---|---|
| LMArena Longer Query | 1425 | 1489 |

## Writing & Preference

- Longcat Flash Chat: 61.0 (#91)
- Qwen3.8 Max: 67.1 (#30)

| Benchmark | Longcat Flash Chat | Qwen3.8 Max |
|---|---|---|
| LMArena Text | 1427 | 1483 |
| LMArena Creative Writing | 1388 | 1479 |
| LMArena Multi-Turn | 1418 | 1489 |

## FAQ

### Is Longcat Flash Chat better than Qwen3.8 Max?

Qwen3.8 Max is the stronger model overall, scoring 56.8 to 42.1 on the Noometry Index.

### Is Longcat Flash Chat or Qwen3.8 Max better for coding?

Qwen3.8 Max scores higher on coding benchmarks: 53.5 versus 43.5 in the Noometry coding category.

### How many benchmarks do Longcat Flash Chat and Qwen3.8 Max share?

18 benchmarks have published results for both models. Longcat Flash Chat has 19 scored results on Noometry and Qwen3.8 Max has 39.