# Grok 4.1 vs Longcat Flash Chat

> Grok 4.1 and Longcat Flash Chat score almost the same on the Noometry Index (41.5 vs 42.1), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/grok-4-1-vs-longcat-flash-chat
- Last updated: 2026-10-12
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Grok 4.1 scores higher in 3 categories and Longcat Flash Chat in 5 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.1 leads 29.5 to 19.0.
- Longcat Flash Chat has downloadable open weights; the other is API-only.

## Snapshot

| | Grok 4.1 | Longcat Flash Chat |
|---|---|---|
| Provider | xAI | Meituan |
| Noometry Index | 41.5 | 42.1 |
| Rank | 134 | 120 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Grok 4.1: 33.7 (#253)
- Longcat Flash Chat: 43.5 (#87)

| Benchmark | Grok 4.1 | Longcat Flash Chat |
|---|---|---|
| LMArena Coding | 1445 | 1471 |
| LMArena WebDev | 1214 | — |

## Agentic & Tool Use

- Grok 4.1: 34.1 (#49)
- Longcat Flash Chat: —

| Benchmark | Grok 4.1 | Longcat Flash Chat |
|---|---|---|
| Cybench | 39% | — |

## Reasoning

- Grok 4.1: 29.5 (#91)
- Longcat Flash Chat: 19.0 (#272)

| Benchmark | Grok 4.1 | Longcat Flash Chat |
|---|---|---|
| LMArena Hard Prompts | 1435 | 1440 |
| Kagi LLM Benchmark | — | 43.9% |
| NYT Connections (extended) | — | 17.7% |

## Math

- Grok 4.1: 38.9 (#120)
- Longcat Flash Chat: 39.4 (#107)

| Benchmark | Grok 4.1 | Longcat Flash Chat |
|---|---|---|
| LMArena Math | 1422 | 1442 |

## Knowledge

- Grok 4.1: 39.5 (#133)
- Longcat Flash Chat: 40.6 (#116)

| Benchmark | Grok 4.1 | Longcat Flash Chat |
|---|---|---|
| LMArena Expert | 1417 | 1454 |

## Multilingual

- Grok 4.1: 53.4 (#68)
- Longcat Flash Chat: 51.9 (#101)

| Benchmark | Grok 4.1 | Longcat Flash Chat |
|---|---|---|
| LMArena Non-English | 1425 | 1404 |
| LMArena Chinese | 1465 | 1465 |
| LMArena French | 1448 | 1456 |
| LMArena German | 1446 | 1408 |
| LMArena Japanese | 1397 | 1373 |
| LMArena Korean | 1407 | 1371 |
| LMArena Russian | 1434 | 1395 |
| LMArena Spanish | 1438 | 1445 |

## Instruction Following

- Grok 4.1: 73.8 (#111)
- Longcat Flash Chat: 74.4 (#96)

| Benchmark | Grok 4.1 | Longcat Flash Chat |
|---|---|---|
| LMArena Instruction Following | 1400 | 1411 |

## Long Context

- Grok 4.1: 43.2 (#100)
- Longcat Flash Chat: 43.5 (#93)

| Benchmark | Grok 4.1 | Longcat Flash Chat |
|---|---|---|
| LMArena Longer Query | 1416 | 1425 |

## Writing & Preference

- Grok 4.1: 62.4 (#75)
- Longcat Flash Chat: 61.0 (#91)

| Benchmark | Grok 4.1 | Longcat Flash Chat |
|---|---|---|
| LMArena Text | 1437 | 1427 |
| LMArena Creative Writing | 1411 | 1388 |
| LMArena Multi-Turn | 1437 | 1418 |

## FAQ

### Is Grok 4.1 better than Longcat Flash Chat?

Grok 4.1 and Longcat Flash Chat score almost the same on the Noometry Index (41.5 vs 42.1), so choose on price, context window or the category you care about most.

### Is Grok 4.1 or Longcat Flash Chat better for coding?

Longcat Flash Chat scores higher on coding benchmarks: 43.5 versus 33.7 in the Noometry coding category.

### How many benchmarks do Grok 4.1 and Longcat Flash Chat share?

17 benchmarks have published results for both models. Grok 4.1 has 19 scored results on Noometry and Longcat Flash Chat has 19.