Model comparison
Llama 3.1 Nemotron 51b Instruct vs Longcat Flash Chat
Longcat Flash Chat is the stronger model overall, scoring 42.1 to 35.9 on the Noometry Index.
Last verified . 12 shared benchmarks.
NVIDIASummary
- They share 12 benchmarks with published results for both. Llama 3.1 Nemotron 51b Instruct scores higher in 1 category and Longcat Flash Chat in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Longcat Flash Chat leads 61.0 to 43.4.
Side by side
| Llama 3.1 Nemotron 51b Instruct | Longcat Flash Chat | |
|---|---|---|
| Provider | NVIDIA | Meituan |
| Noometry Index | 35.9 | 42.1 |
| Released | — | — |
| Weights | Open | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 12 | 19 |
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Category by category
Coding Longcat Flash Chat leads
Llama 3.1 Nemotron 51b Instruct: 35.6 (#222), Longcat Flash Chat: 43.5 (#87)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Longcat Flash Chat |
|---|---|---|
| LMArena Coding | 1223 | 1471 |
Reasoning Llama 3.1 Nemotron 51b Instruct leads
Llama 3.1 Nemotron 51b Instruct: 23.5 (#177), Longcat Flash Chat: 19.0 (#272)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Longcat Flash Chat |
|---|---|---|
| LMArena Hard Prompts | 1203 | 1440 |
| Kagi LLM Benchmark | — | 43.9% |
| NYT Connections (extended) | — | 17.7% |
Math Longcat Flash Chat leads
Llama 3.1 Nemotron 51b Instruct: 34.6 (#193), Longcat Flash Chat: 39.4 (#107)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Longcat Flash Chat |
|---|---|---|
| LMArena Math | 1230 | 1442 |
Knowledge Longcat Flash Chat leads
Llama 3.1 Nemotron 51b Instruct: 31.9 (#218), Longcat Flash Chat: 40.6 (#116)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Longcat Flash Chat |
|---|---|---|
| LMArena Expert | 1167 | 1454 |
Multilingual Longcat Flash Chat leads
Llama 3.1 Nemotron 51b Instruct: 36.1 (#241), Longcat Flash Chat: 51.9 (#101)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Longcat Flash Chat |
|---|---|---|
| LMArena Non-English | 1181 | 1404 |
| LMArena Chinese | 1180 | 1465 |
| LMArena Russian | 1187 | 1395 |
| LMArena French | — | 1456 |
| LMArena German | — | 1408 |
| LMArena Japanese | — | 1373 |
| LMArena Korean | — | 1371 |
| LMArena Spanish | — | 1445 |
Instruction Following Longcat Flash Chat leads
Llama 3.1 Nemotron 51b Instruct: 62.9 (#233), Longcat Flash Chat: 74.4 (#96)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Longcat Flash Chat |
|---|---|---|
| LMArena Instruction Following | 1201 | 1411 |
Long Context Longcat Flash Chat leads
Llama 3.1 Nemotron 51b Instruct: 36.5 (#230), Longcat Flash Chat: 43.5 (#93)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Longcat Flash Chat |
|---|---|---|
| LMArena Longer Query | 1205 | 1425 |
Writing & Preference Longcat Flash Chat leads
Llama 3.1 Nemotron 51b Instruct: 43.4 (#229), Longcat Flash Chat: 61.0 (#91)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Longcat Flash Chat |
|---|---|---|
| LMArena Text | 1228 | 1427 |
| LMArena Creative Writing | 1213 | 1388 |
| LMArena Multi-Turn | 1227 | 1418 |
Frequently asked questions
Is Llama 3.1 Nemotron 51b Instruct better than Longcat Flash Chat?
Longcat Flash Chat is the stronger model overall, scoring 42.1 to 35.9 on the Noometry Index.
Is Llama 3.1 Nemotron 51b Instruct or Longcat Flash Chat better for coding?
Longcat Flash Chat scores higher on coding benchmarks: 43.5 versus 35.6 in the Noometry coding category.
How many benchmarks do Llama 3.1 Nemotron 51b Instruct and Longcat Flash Chat share?
12 benchmarks have published results for both models. Llama 3.1 Nemotron 51b Instruct has 12 scored results on Noometry and Longcat Flash Chat has 19.