# Longcat Flash Chat vs Nemotron 4 340b Instruct

> Longcat Flash Chat is the stronger model overall, scoring 41.5 to 35.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/longcat-flash-chat-vs-nemotron-4-340b-instruct
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Longcat Flash Chat scores higher in 7 categories and Nemotron 4 340b Instruct in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Longcat Flash Chat leads 61.2 to 42.9.

## Snapshot

| | Longcat Flash Chat | Nemotron 4 340b Instruct |
|---|---|---|
| Provider | Meituan | NVIDIA |
| Noometry Index | 41.5 | 35.3 |
| Rank | 121 | 218 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Open |

## Coding

- Longcat Flash Chat: 42.9 (#85)
- Nemotron 4 340b Instruct: 34.6 (#223)

| Benchmark | Longcat Flash Chat | Nemotron 4 340b Instruct |
|---|---|---|
| LMArena Coding | 1471 | 1209 |

## Reasoning

- Longcat Flash Chat: 18.3 (#267)
- Nemotron 4 340b Instruct: 22.4 (#180)

| Benchmark | Longcat Flash Chat | Nemotron 4 340b Instruct |
|---|---|---|
| LMArena Hard Prompts | 1440 | 1202 |
| Kagi LLM Benchmark | 43.9% | — |
| NYT Connections (extended) | 17.7% | — |

## Math

- Longcat Flash Chat: 36.6 (#107)
- Nemotron 4 340b Instruct: 31.7 (#193)

| Benchmark | Longcat Flash Chat | Nemotron 4 340b Instruct |
|---|---|---|
| LMArena Math | 1441 | 1216 |

## Knowledge

- Longcat Flash Chat: 40.0 (#111)
- Nemotron 4 340b Instruct: 31.4 (#212)

| Benchmark | Longcat Flash Chat | Nemotron 4 340b Instruct |
|---|---|---|
| LMArena Expert | 1454 | 1171 |

## Multilingual

- Longcat Flash Chat: 52.1 (#95)
- Nemotron 4 340b Instruct: 38.0 (#228)

| Benchmark | Longcat Flash Chat | Nemotron 4 340b Instruct |
|---|---|---|
| LMArena Non-English | 1404 | 1206 |
| LMArena Chinese | 1465 | 1214 |
| LMArena French | 1457 | 1196 |
| LMArena German | 1409 | 1192 |
| LMArena Japanese | 1373 | 1128 |
| LMArena Korean | 1372 | 1148 |
| LMArena Russian | 1396 | 1219 |
| LMArena Spanish | 1445 | 1195 |

## Instruction Following

- Longcat Flash Chat: 74.6 (#92)
- Nemotron 4 340b Instruct: 63.3 (#227)

| Benchmark | Longcat Flash Chat | Nemotron 4 340b Instruct |
|---|---|---|
| LMArena Instruction Following | 1411 | 1203 |

## Long Context

- Longcat Flash Chat: 43.5 (#89)
- Nemotron 4 340b Instruct: 37.1 (#216)

| Benchmark | Longcat Flash Chat | Nemotron 4 340b Instruct |
|---|---|---|
| LMArena Longer Query | 1425 | 1225 |

## Writing & Preference

- Longcat Flash Chat: 61.2 (#88)
- Nemotron 4 340b Instruct: 42.9 (#229)

| Benchmark | Longcat Flash Chat | Nemotron 4 340b Instruct |
|---|---|---|
| LMArena Text | 1427 | 1225 |
| LMArena Creative Writing | 1388 | 1203 |
| LMArena Multi-Turn | 1418 | 1214 |

## FAQ

### Is Longcat Flash Chat better than Nemotron 4 340b Instruct?

Longcat Flash Chat is the stronger model overall, scoring 41.5 to 35.3 on the Noometry Index.

### Is Longcat Flash Chat or Nemotron 4 340b Instruct better for coding?

Longcat Flash Chat scores higher on coding benchmarks: 42.9 versus 34.6 in the Noometry coding category.

### How many benchmarks do Longcat Flash Chat and Nemotron 4 340b Instruct share?

17 benchmarks have published results for both models. Longcat Flash Chat has 19 scored results on Noometry and Nemotron 4 340b Instruct has 17.