# Longcat Flash Chat vs MiMo-V2-Pro

> Longcat Flash Chat and MiMo-V2-Pro score almost the same on the Noometry Index (42.1 vs 43.0), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/longcat-flash-chat-vs-mimo-v2-pro
- Last updated: 2026-10-10
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. Longcat Flash Chat scores higher in 1 category and MiMo-V2-Pro in 7 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where MiMo-V2-Pro leads 22.1 to 19.0.
- The biggest single-benchmark swing is NYT Connections (extended): 17.7% for Longcat Flash Chat and 25.8% for MiMo-V2-Pro.
- Longcat Flash Chat has downloadable open weights; the other is API-only.

## Snapshot

| | Longcat Flash Chat | MiMo-V2-Pro |
|---|---|---|
| Provider | Meituan | Xiaomi |
| Noometry Index | 42.1 | 43.0 |
| Rank | 120 | 103 |
| Context | — | 1.05M |
| Input $/M | — | $0.43 |
| Output $/M | — | $0.87 |
| Weights | Open | Proprietary |

## Coding

- Longcat Flash Chat: 43.5 (#87)
- MiMo-V2-Pro: 43.8 (#83)

| Benchmark | Longcat Flash Chat | MiMo-V2-Pro |
|---|---|---|
| LMArena Coding | 1471 | 1476 |
| LMArena WebDev | — | 1433 |
| ALE-Bench | — | 785.17 |

## Reasoning

- Longcat Flash Chat: 19.0 (#272)
- MiMo-V2-Pro: 22.1 (#206)

| Benchmark | Longcat Flash Chat | MiMo-V2-Pro |
|---|---|---|
| NYT Connections (extended) | 17.7% | 25.8% |
| LMArena Hard Prompts | 1440 | 1457 |
| Kagi LLM Benchmark | 43.9% | — |
| Thematic Generalization | — | 45.9% |

## Math

- Longcat Flash Chat: 39.4 (#107)
- MiMo-V2-Pro: 39.5 (#102)

| Benchmark | Longcat Flash Chat | MiMo-V2-Pro |
|---|---|---|
| LMArena Math | 1442 | 1447 |

## Knowledge

- Longcat Flash Chat: 40.6 (#116)
- MiMo-V2-Pro: 41.4 (#111)

| Benchmark | Longcat Flash Chat | MiMo-V2-Pro |
|---|---|---|
| LMArena Expert | 1454 | 1478 |

## Multilingual

- Longcat Flash Chat: 51.9 (#101)
- MiMo-V2-Pro: 52.7 (#81)

| Benchmark | Longcat Flash Chat | MiMo-V2-Pro |
|---|---|---|
| LMArena Non-English | 1404 | 1416 |
| LMArena Chinese | 1465 | 1456 |
| LMArena French | 1456 | 1469 |
| LMArena German | 1408 | 1417 |
| LMArena Japanese | 1373 | 1366 |
| LMArena Korean | 1371 | 1400 |
| LMArena Russian | 1395 | 1427 |
| LMArena Spanish | 1445 | 1457 |

## Instruction Following

- Longcat Flash Chat: 74.4 (#96)
- MiMo-V2-Pro: 76.0 (#49)

| Benchmark | Longcat Flash Chat | MiMo-V2-Pro |
|---|---|---|
| LMArena Instruction Following | 1411 | 1445 |

## Long Context

- Longcat Flash Chat: 43.5 (#93)
- MiMo-V2-Pro: 41.5 (#138)

| Benchmark | Longcat Flash Chat | MiMo-V2-Pro |
|---|---|---|
| LMArena Longer Query | 1425 | 1455 |
| CL-bench | — | 15.7% |
| CL-bench Life | — | 6.9% |

## Writing & Preference

- Longcat Flash Chat: 61.0 (#91)
- MiMo-V2-Pro: 62.8 (#70)

| Benchmark | Longcat Flash Chat | MiMo-V2-Pro |
|---|---|---|
| LMArena Text | 1427 | 1436 |
| LMArena Creative Writing | 1388 | 1415 |
| LMArena Multi-Turn | 1418 | 1456 |

## FAQ

### Is Longcat Flash Chat better than MiMo-V2-Pro?

Longcat Flash Chat and MiMo-V2-Pro score almost the same on the Noometry Index (42.1 vs 43.0), so choose on price, context window or the category you care about most.

### Is Longcat Flash Chat or MiMo-V2-Pro better for coding?

They score almost the same on coding (43.5 vs 43.8); test both on your own repository before choosing.

### How many benchmarks do Longcat Flash Chat and MiMo-V2-Pro share?

18 benchmarks have published results for both models. Longcat Flash Chat has 19 scored results on Noometry and MiMo-V2-Pro has 23.
