# Claude 2 vs Longcat Flash Chat

> Longcat Flash Chat is the stronger model overall, scoring 41.5 to 24.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-2-vs-longcat-flash-chat
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in math, where Longcat Flash Chat leads 36.6 to 8.7.
- Longcat Flash Chat has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 2 | Longcat Flash Chat |
|---|---|---|
| Provider | Anthropic | Meituan |
| Noometry Index | 24.7 | 41.5 |
| Rank | 342 | 121 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Claude 2: —
- Longcat Flash Chat: 42.9 (#85)

| Benchmark | Claude 2 | Longcat Flash Chat |
|---|---|---|
| LMArena Coding | — | 1471 |
| HumanEval+ | 61.6% | — |

## Reasoning

- Claude 2: 20.8 (#213)
- Longcat Flash Chat: 18.3 (#267)

| Benchmark | Claude 2 | Longcat Flash Chat |
|---|---|---|
| Kagi LLM Benchmark | — | 43.9% |
| NYT Connections (extended) | — | 17.7% |
| LMArena Hard Prompts | — | 1440 |
| DTBench | 51.9% | — |
| Epoch Capabilities Index | 120.08 | — |

## Math

- Claude 2: 8.7 (#314)
- Longcat Flash Chat: 36.6 (#107)

| Benchmark | Claude 2 | Longcat Flash Chat |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 2.5% | — |
| LMArena Math | — | 1441 |
| MATH Level 5 | 11.7% | — |

## Knowledge

- Claude 2: 17.0 (#282)
- Longcat Flash Chat: 40.0 (#111)

| Benchmark | Claude 2 | Longcat Flash Chat |
|---|---|---|
| GPQA Diamond | 34.7% | — |
| LMArena Expert | — | 1454 |
| MMLU | 78.5% | — |
| TriviaQA | 87.5% | — |

## Multilingual

- Claude 2: —
- Longcat Flash Chat: 52.1 (#95)

| Benchmark | Claude 2 | Longcat Flash Chat |
|---|---|---|
| LMArena Non-English | — | 1404 |
| LMArena Chinese | — | 1465 |
| LMArena French | — | 1457 |
| LMArena German | — | 1409 |
| LMArena Japanese | — | 1373 |
| LMArena Korean | — | 1372 |
| LMArena Russian | — | 1396 |
| LMArena Spanish | — | 1445 |

## Instruction Following

- Claude 2: —
- Longcat Flash Chat: 74.6 (#92)

| Benchmark | Claude 2 | Longcat Flash Chat |
|---|---|---|
| LMArena Instruction Following | — | 1411 |

## Long Context

- Claude 2: —
- Longcat Flash Chat: 43.5 (#89)

| Benchmark | Claude 2 | Longcat Flash Chat |
|---|---|---|
| LMArena Longer Query | — | 1425 |

## Writing & Preference

- Claude 2: —
- Longcat Flash Chat: 61.2 (#88)

| Benchmark | Claude 2 | Longcat Flash Chat |
|---|---|---|
| LMArena Text | — | 1427 |
| LMArena Creative Writing | — | 1388 |
| LMArena Multi-Turn | — | 1418 |

## FAQ

### Is Claude 2 better than Longcat Flash Chat?

Longcat Flash Chat is the stronger model overall, scoring 41.5 to 24.7 on the Noometry Index.

### How many benchmarks do Claude 2 and Longcat Flash Chat share?

0 benchmarks have published results for both models. Claude 2 has 8 scored results on Noometry and Longcat Flash Chat has 19.