# Longcat Flash Chat vs MiMo-V2.5-Pro

> MiMo-V2.5-Pro is the stronger model overall, scoring 44.8 to 41.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/longcat-flash-chat-vs-mimo-v2-5-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 0 categories and MiMo-V2.5-Pro in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where MiMo-V2.5-Pro leads 25.9 to 18.3.
- The biggest single-benchmark swing is NYT Connections (extended): 17.7% for Longcat Flash Chat and 34.4% for MiMo-V2.5-Pro.

## Snapshot

| | Longcat Flash Chat | MiMo-V2.5-Pro |
|---|---|---|
| Provider | Meituan | Xiaomi |
| Noometry Index | 41.5 | 44.8 |
| Rank | 121 | 70 |
| Context | — | 1.05M |
| Input $/M | — | $0.43 |
| Output $/M | — | $0.87 |
| Weights | Open | Open |

## Coding

- Longcat Flash Chat: 42.9 (#85)
- MiMo-V2.5-Pro: 47.0 (#58)

| Benchmark | Longcat Flash Chat | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Coding | 1471 | 1502 |
| LMArena WebDev | — | 1477 |
| SciCode | — | 50.2% |
| ALE-Bench | — | 899.8 |

## Reasoning

- Longcat Flash Chat: 18.3 (#267)
- MiMo-V2.5-Pro: 25.9 (#124)

| Benchmark | Longcat Flash Chat | MiMo-V2.5-Pro |
|---|---|---|
| NYT Connections (extended) | 17.7% | 34.4% |
| LMArena Hard Prompts | 1440 | 1487 |
| Kagi LLM Benchmark | 43.9% | — |
| CritPt | — | 4% |
| DTBench | — | 84.5% |
| LMCA | — | 29.5% |

## Math

- Longcat Flash Chat: 36.6 (#107)
- MiMo-V2.5-Pro: 38.6 (#84)

| Benchmark | Longcat Flash Chat | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Math | 1441 | 1480 |
| ProofBench | — | 22% |

## Knowledge

- Longcat Flash Chat: 40.0 (#111)
- MiMo-V2.5-Pro: 41.5 (#100)

| Benchmark | Longcat Flash Chat | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Expert | 1454 | 1501 |

## Multilingual

- Longcat Flash Chat: 52.1 (#95)
- MiMo-V2.5-Pro: 55.3 (#33)

| Benchmark | Longcat Flash Chat | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Non-English | 1404 | 1449 |
| LMArena Chinese | 1465 | 1507 |
| LMArena French | 1457 | 1489 |
| LMArena German | 1409 | 1455 |
| LMArena Japanese | 1373 | 1418 |
| LMArena Korean | 1372 | 1436 |
| LMArena Russian | 1396 | 1450 |
| LMArena Spanish | 1445 | 1470 |

## Instruction Following

- Longcat Flash Chat: 74.6 (#92)
- MiMo-V2.5-Pro: 77.6 (#21)

| Benchmark | Longcat Flash Chat | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Instruction Following | 1411 | 1477 |

## Long Context

- Longcat Flash Chat: 43.5 (#89)
- MiMo-V2.5-Pro: 45.4 (#38)

| Benchmark | Longcat Flash Chat | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Longer Query | 1425 | 1482 |

## Writing & Preference

- Longcat Flash Chat: 61.2 (#88)
- MiMo-V2.5-Pro: 65.5 (#47)

| Benchmark | Longcat Flash Chat | MiMo-V2.5-Pro |
|---|---|---|
| LMArena Text | 1427 | 1465 |
| LMArena Creative Writing | 1388 | 1440 |
| LMArena Multi-Turn | 1418 | 1477 |
| EQ-Bench Creative Writing | — | 1493 |
| EQ-Bench 4 | — | 1208 |

## FAQ

### Is Longcat Flash Chat better than MiMo-V2.5-Pro?

MiMo-V2.5-Pro is the stronger model overall, scoring 44.8 to 41.5 on the Noometry Index.

### Is Longcat Flash Chat or MiMo-V2.5-Pro better for coding?

MiMo-V2.5-Pro scores higher on coding benchmarks: 47.0 versus 42.9 in the Noometry coding category.

### How many benchmarks do Longcat Flash Chat and MiMo-V2.5-Pro share?

18 benchmarks have published results for both models. Longcat Flash Chat has 19 scored results on Noometry and MiMo-V2.5-Pro has 27.