# Longcat Flash Chat vs Qwen3-30B-A3B

> Longcat Flash Chat is the stronger model overall, scoring 42.1 to 38.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/longcat-flash-chat-vs-qwen3-30b-a3b
- Last updated: 2026-10-12
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. Longcat Flash Chat scores higher in 6 categories and Qwen3-30B-A3B in 2 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in long context, where Longcat Flash Chat leads 43.5 to 31.0.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 43.9% for Longcat Flash Chat and 54.9% for Qwen3-30B-A3B.

## Snapshot

| | Longcat Flash Chat | Qwen3-30B-A3B |
|---|---|---|
| Provider | Meituan | Alibaba (Qwen) |
| Noometry Index | 42.1 | 38.9 |
| Rank | 120 | 179 |
| Context | — | 41K |
| Input $/M | — | $0.12 |
| Output $/M | — | $0.50 |
| Weights | Open | Open |

## Coding

- Longcat Flash Chat: 43.5 (#87)
- Qwen3-30B-A3B: 37.5 (#194)

| Benchmark | Longcat Flash Chat | Qwen3-30B-A3B |
|---|---|---|
| LMArena Coding | 1471 | 1416 |
| SciCode | — | 33.3% |
| WeirdML | — | 29.8% |

## Agentic & Tool Use

- Longcat Flash Chat: —
- Qwen3-30B-A3B: 29.8 (#82)

| Benchmark | Longcat Flash Chat | Qwen3-30B-A3B |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 41.4% |

## Reasoning

- Longcat Flash Chat: 19.0 (#272)
- Qwen3-30B-A3B: 22.2 (#204)

| Benchmark | Longcat Flash Chat | Qwen3-30B-A3B |
|---|---|---|
| Kagi LLM Benchmark | 43.9% | 54.9% |
| LMArena Hard Prompts | 1440 | 1398 |
| NYT Connections (extended) | 17.7% | — |
| CritPt | — | 0.3% |
| Chess Puzzles | — | 8% |
| DTBench | — | 69.3% |
| LMCA | — | 22.4% |
| Epoch Capabilities Index | — | 139.63 |

## Math

- Longcat Flash Chat: 39.4 (#107)
- Qwen3-30B-A3B: 37.4 (#157)

| Benchmark | Longcat Flash Chat | Qwen3-30B-A3B |
|---|---|---|
| LMArena Math | 1442 | 1394 |
| MathArena Final-Answer Competitions | — | 47.8% |
| OTIS Mock AIME 2024-2025 | — | 70.3% |

## Knowledge

- Longcat Flash Chat: 40.6 (#116)
- Qwen3-30B-A3B: 41.8 (#105)

| Benchmark | Longcat Flash Chat | Qwen3-30B-A3B |
|---|---|---|
| LMArena Expert | 1454 | 1396 |
| GPQA Diamond | — | 70.1% |
| Confabulations | — | 12.3% |

## Multilingual

- Longcat Flash Chat: 51.9 (#101)
- Qwen3-30B-A3B: 49.5 (#132)

| Benchmark | Longcat Flash Chat | Qwen3-30B-A3B |
|---|---|---|
| LMArena Non-English | 1404 | 1372 |
| LMArena Chinese | 1465 | 1433 |
| LMArena French | 1456 | 1418 |
| LMArena German | 1408 | 1380 |
| LMArena Japanese | 1373 | 1337 |
| LMArena Korean | 1371 | 1331 |
| LMArena Russian | 1395 | 1370 |
| LMArena Spanish | 1445 | 1404 |

## Instruction Following

- Longcat Flash Chat: 74.4 (#96)
- Qwen3-30B-A3B: 72.0 (#142)

| Benchmark | Longcat Flash Chat | Qwen3-30B-A3B |
|---|---|---|
| LMArena Instruction Following | 1411 | 1363 |

## Long Context

- Longcat Flash Chat: 43.5 (#93)
- Qwen3-30B-A3B: 31.0 (#283)

| Benchmark | Longcat Flash Chat | Qwen3-30B-A3B |
|---|---|---|
| LMArena Longer Query | 1425 | 1379 |
| Fiction.LiveBench | — | 40.6% |

## Writing & Preference

- Longcat Flash Chat: 61.0 (#91)
- Qwen3-30B-A3B: 55.6 (#143)

| Benchmark | Longcat Flash Chat | Qwen3-30B-A3B |
|---|---|---|
| LMArena Text | 1427 | 1384 |
| LMArena Creative Writing | 1388 | 1317 |
| LMArena Multi-Turn | 1418 | 1378 |
| Short-Story Creative Writing | — | 75.3% |

## FAQ

### Is Longcat Flash Chat better than Qwen3-30B-A3B?

Longcat Flash Chat is the stronger model overall, scoring 42.1 to 38.9 on the Noometry Index.

### Is Longcat Flash Chat or Qwen3-30B-A3B better for coding?

Longcat Flash Chat scores higher on coding benchmarks: 43.5 versus 37.5 in the Noometry coding category.

### How many benchmarks do Longcat Flash Chat and Qwen3-30B-A3B share?

18 benchmarks have published results for both models. Longcat Flash Chat has 19 scored results on Noometry and Qwen3-30B-A3B has 32.