Model comparison
Longcat Flash Chat vs Nemotron 3 Nano 30B A3B
Longcat Flash Chat is the stronger model overall, scoring 42.1 to 40.6 on the Noometry Index.
Last verified . 17 shared benchmarks.
NVIDIASummary
- They share 17 benchmarks with published results for both. Longcat Flash Chat scores higher in 7 categories and Nemotron 3 Nano 30B A3B in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Longcat Flash Chat leads 61.0 to 52.3.
Side by side
| Longcat Flash Chat | Nemotron 3 Nano 30B A3B | |
|---|---|---|
| Provider | Meituan | NVIDIA |
| Noometry Index | 42.1 | 40.6 |
| Released | — | 2025-12-15 |
| Weights | Open | Open |
| Context window | — | 262K |
| Max output | — | 262K |
| Input $ / M tokens | — | $0.05 |
| Output $ / M tokens | — | $0.20 |
| Results tracked | 19 | 18 |
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Category by category
Coding Longcat Flash Chat leads
Longcat Flash Chat: 43.5 (#87), Nemotron 3 Nano 30B A3B: 40.5 (#138)
| Benchmark | Longcat Flash Chat | Nemotron 3 Nano 30B A3B |
|---|---|---|
| LMArena Coding | 1471 | 1378 |
Reasoning Nemotron 3 Nano 30B A3B leads
Longcat Flash Chat: 19.0 (#272), Nemotron 3 Nano 30B A3B: 27.1 (#124)
| Benchmark | Longcat Flash Chat | Nemotron 3 Nano 30B A3B |
|---|---|---|
| LMArena Hard Prompts | 1440 | 1348 |
| Kagi LLM Benchmark | 43.9% | — |
| NYT Connections (extended) | 17.7% | — |
Math Longcat Flash Chat leads
Longcat Flash Chat: 39.4 (#107), Nemotron 3 Nano 30B A3B: 37.8 (#147)
| Benchmark | Longcat Flash Chat | Nemotron 3 Nano 30B A3B |
|---|---|---|
| LMArena Math | 1442 | 1371 |
Knowledge Longcat Flash Chat leads
Longcat Flash Chat: 40.6 (#116), Nemotron 3 Nano 30B A3B: 38.2 (#148)
| Benchmark | Longcat Flash Chat | Nemotron 3 Nano 30B A3B |
|---|---|---|
| LMArena Expert | 1454 | 1355 |
| Vectara Hallucination Rate | — | 9.6% |
Multilingual Longcat Flash Chat leads
Longcat Flash Chat: 51.9 (#101), Nemotron 3 Nano 30B A3B: 45.8 (#162)
| Benchmark | Longcat Flash Chat | Nemotron 3 Nano 30B A3B |
|---|---|---|
| LMArena Non-English | 1404 | 1320 |
| LMArena Chinese | 1465 | 1382 |
| LMArena French | 1456 | 1396 |
| LMArena German | 1408 | 1348 |
| LMArena Japanese | 1373 | 1268 |
| LMArena Korean | 1371 | 1269 |
| LMArena Russian | 1395 | 1303 |
| LMArena Spanish | 1445 | 1376 |
Instruction Following Longcat Flash Chat leads
Longcat Flash Chat: 74.4 (#96), Nemotron 3 Nano 30B A3B: 68.8 (#180)
| Benchmark | Longcat Flash Chat | Nemotron 3 Nano 30B A3B |
|---|---|---|
| LMArena Instruction Following | 1411 | 1304 |
Long Context Longcat Flash Chat leads
Longcat Flash Chat: 43.5 (#93), Nemotron 3 Nano 30B A3B: 39.5 (#175)
| Benchmark | Longcat Flash Chat | Nemotron 3 Nano 30B A3B |
|---|---|---|
| LMArena Longer Query | 1425 | 1300 |
Writing & Preference Longcat Flash Chat leads
Longcat Flash Chat: 61.0 (#91), Nemotron 3 Nano 30B A3B: 52.3 (#174)
| Benchmark | Longcat Flash Chat | Nemotron 3 Nano 30B A3B |
|---|---|---|
| LMArena Text | 1427 | 1348 |
| LMArena Creative Writing | 1388 | 1269 |
| LMArena Multi-Turn | 1418 | 1319 |
Frequently asked questions
Is Longcat Flash Chat better than Nemotron 3 Nano 30B A3B?
Longcat Flash Chat is the stronger model overall, scoring 42.1 to 40.6 on the Noometry Index.
Is Longcat Flash Chat or Nemotron 3 Nano 30B A3B better for coding?
Longcat Flash Chat scores higher on coding benchmarks: 43.5 versus 40.5 in the Noometry coding category.
How many benchmarks do Longcat Flash Chat and Nemotron 3 Nano 30B A3B share?
17 benchmarks have published results for both models. Longcat Flash Chat has 19 scored results on Noometry and Nemotron 3 Nano 30B A3B has 18.