# Longcat Flash Chat vs Mistral Medium 3.5

> Longcat Flash Chat is the stronger model overall, scoring 41.5 to 39.6 on the Noometry Index.

- Canonical page: https://noometry.com/compare/longcat-flash-chat-vs-mistral-medium-3-5
- Last updated: 2026-10-10
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. Longcat Flash Chat scores higher in 6 categories and Mistral Medium 3.5 in 2 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in coding, where Longcat Flash Chat leads 42.9 to 35.7.

## Snapshot

| | Longcat Flash Chat | Mistral Medium 3.5 |
|---|---|---|
| Provider | Meituan | Mistral AI |
| Noometry Index | 41.5 | 39.6 |
| Rank | 121 | 151 |
| Context | — | 262K |
| Input $/M | — | $1.50 |
| Output $/M | — | $7.50 |
| Weights | Open | Open |

## Coding

- Longcat Flash Chat: 42.9 (#85)
- Mistral Medium 3.5: 35.7 (#208)

| Benchmark | Longcat Flash Chat | Mistral Medium 3.5 |
|---|---|---|
| LMArena Coding | 1471 | 1461 |
| LMArena WebDev | — | 1263 |

## Reasoning

- Longcat Flash Chat: 18.3 (#267)
- Mistral Medium 3.5: 16.6 (#290)

| Benchmark | Longcat Flash Chat | Mistral Medium 3.5 |
|---|---|---|
| Kagi LLM Benchmark | 43.9% | 41.4% |
| NYT Connections (extended) | 17.7% | 12.9% |
| LMArena Hard Prompts | 1440 | 1436 |
| Epoch Capabilities Index | — | 141.42 |

## Math

- Longcat Flash Chat: 36.6 (#107)
- Mistral Medium 3.5: 36.4 (#113)

| Benchmark | Longcat Flash Chat | Mistral Medium 3.5 |
|---|---|---|
| LMArena Math | 1441 | 1432 |

## Knowledge

- Longcat Flash Chat: 40.0 (#111)
- Mistral Medium 3.5: 39.3 (#123)

| Benchmark | Longcat Flash Chat | Mistral Medium 3.5 |
|---|---|---|
| LMArena Expert | 1454 | 1431 |

## Multimodal

- Longcat Flash Chat: —
- Mistral Medium 3.5: 37.6 (#64)

| Benchmark | Longcat Flash Chat | Mistral Medium 3.5 |
|---|---|---|
| LMArena Vision | — | 1222 |

## Multilingual

- Longcat Flash Chat: 52.1 (#95)
- Mistral Medium 3.5: 52.1 (#93)

| Benchmark | Longcat Flash Chat | Mistral Medium 3.5 |
|---|---|---|
| LMArena Non-English | 1404 | 1405 |
| LMArena Chinese | 1465 | 1443 |
| LMArena French | 1457 | 1448 |
| LMArena German | 1409 | 1453 |
| LMArena Korean | 1372 | 1387 |
| LMArena Russian | 1396 | 1396 |
| LMArena Spanish | 1445 | 1406 |
| LMArena Japanese | 1373 | — |

## Instruction Following

- Longcat Flash Chat: 74.6 (#92)
- Mistral Medium 3.5: 74.7 (#87)

| Benchmark | Longcat Flash Chat | Mistral Medium 3.5 |
|---|---|---|
| LMArena Instruction Following | 1411 | 1414 |

## Long Context

- Longcat Flash Chat: 43.5 (#89)
- Mistral Medium 3.5: 43.2 (#101)

| Benchmark | Longcat Flash Chat | Mistral Medium 3.5 |
|---|---|---|
| LMArena Longer Query | 1425 | 1414 |

## Writing & Preference

- Longcat Flash Chat: 61.2 (#88)
- Mistral Medium 3.5: 58.6 (#113)

| Benchmark | Longcat Flash Chat | Mistral Medium 3.5 |
|---|---|---|
| LMArena Text | 1427 | 1421 |
| LMArena Creative Writing | 1388 | 1372 |
| LMArena Multi-Turn | 1418 | 1423 |
| EQ-Bench 4 | — | 993 |

## FAQ

### Is Longcat Flash Chat better than Mistral Medium 3.5?

Longcat Flash Chat is the stronger model overall, scoring 41.5 to 39.6 on the Noometry Index.

### Is Longcat Flash Chat or Mistral Medium 3.5 better for coding?

Longcat Flash Chat scores higher on coding benchmarks: 42.9 versus 35.7 in the Noometry coding category.

### How many benchmarks do Longcat Flash Chat and Mistral Medium 3.5 share?

18 benchmarks have published results for both models. Longcat Flash Chat has 19 scored results on Noometry and Mistral Medium 3.5 has 22.