Model comparison
Longcat Flash Chat vs Qwen Plus
Longcat Flash Chat is the stronger model overall, scoring 42.1 to 37.1 on the Noometry Index.
Last verified . 14 shared benchmarks.
Alibaba (Qwen)Summary
- They share 14 benchmarks with published results for both. Longcat Flash Chat scores higher in 7 categories and Qwen Plus in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Longcat Flash Chat leads 39.4 to 23.3.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 43.9% for Longcat Flash Chat and 63.3% for Qwen Plus.
- Longcat Flash Chat has downloadable open weights; the other is API-only.
Side by side
| Longcat Flash Chat | Qwen Plus | |
|---|---|---|
| Provider | Meituan | Alibaba (Qwen) |
| Noometry Index | 42.1 | 37.1 |
| Released | — | 2024-01-25 |
| Weights | Open | Proprietary |
| Context window | — | 1M |
| Max output | — | 33K |
| Input $ / M tokens | — | $0.40 |
| Output $ / M tokens | — | $1.20 |
| Results tracked | 19 | 20 |
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Category by category
Coding Longcat Flash Chat leads
Longcat Flash Chat: 43.5 (#87), Qwen Plus: 38.9 (#167)
| Benchmark | Longcat Flash Chat | Qwen Plus |
|---|---|---|
| LMArena Coding | 1471 | 1328 |
Reasoning Qwen Plus leads
Longcat Flash Chat: 19.0 (#272), Qwen Plus: 28.4 (#107)
| Benchmark | Longcat Flash Chat | Qwen Plus |
|---|---|---|
| Kagi LLM Benchmark | 43.9% | 63.3% |
| LMArena Hard Prompts | 1440 | 1317 |
| NYT Connections (extended) | 17.7% | — |
| DTBench | — | 81.1% |
| LMCA | — | 24% |
Math Longcat Flash Chat leads
Longcat Flash Chat: 39.4 (#107), Qwen Plus: 23.3 (#271)
| Benchmark | Longcat Flash Chat | Qwen Plus |
|---|---|---|
| LMArena Math | 1442 | 1326 |
| OTIS Mock AIME 2024-2025 | — | 17.8% |
| MATH Level 5 | — | 65.3% |
| FrontierMath (Feb 2025 set) | — | 1.7% |
Knowledge Longcat Flash Chat leads
Longcat Flash Chat: 40.6 (#116), Qwen Plus: 27.4 (#251)
| Benchmark | Longcat Flash Chat | Qwen Plus |
|---|---|---|
| LMArena Expert | 1454 | 1328 |
| GPQA Diamond | — | 48.1% |
Multilingual Longcat Flash Chat leads
Longcat Flash Chat: 51.9 (#101), Qwen Plus: 45.1 (#175)
| Benchmark | Longcat Flash Chat | Qwen Plus |
|---|---|---|
| LMArena Non-English | 1404 | 1310 |
| LMArena Chinese | 1465 | 1347 |
| LMArena Japanese | 1373 | 1251 |
| LMArena Russian | 1395 | 1323 |
| LMArena French | 1456 | — |
| LMArena German | 1408 | — |
| LMArena Korean | 1371 | — |
| LMArena Spanish | 1445 | — |
Instruction Following Longcat Flash Chat leads
Longcat Flash Chat: 74.4 (#96), Qwen Plus: 68.8 (#181)
| Benchmark | Longcat Flash Chat | Qwen Plus |
|---|---|---|
| LMArena Instruction Following | 1411 | 1303 |
Long Context Longcat Flash Chat leads
Longcat Flash Chat: 43.5 (#93), Qwen Plus: 40.3 (#158)
| Benchmark | Longcat Flash Chat | Qwen Plus |
|---|---|---|
| LMArena Longer Query | 1425 | 1324 |
Writing & Preference Longcat Flash Chat leads
Longcat Flash Chat: 61.0 (#91), Qwen Plus: 52.2 (#176)
| Benchmark | Longcat Flash Chat | Qwen Plus |
|---|---|---|
| LMArena Text | 1427 | 1326 |
| LMArena Creative Writing | 1388 | 1293 |
| LMArena Multi-Turn | 1418 | 1336 |
Frequently asked questions
Is Longcat Flash Chat better than Qwen Plus?
Longcat Flash Chat is the stronger model overall, scoring 42.1 to 37.1 on the Noometry Index.
Is Longcat Flash Chat or Qwen Plus better for coding?
Longcat Flash Chat scores higher on coding benchmarks: 43.5 versus 38.9 in the Noometry coding category.
How many benchmarks do Longcat Flash Chat and Qwen Plus share?
14 benchmarks have published results for both models. Longcat Flash Chat has 19 scored results on Noometry and Qwen Plus has 20.