# MiMo-V2.6-Flash vs Qwen1.5 4b Chat

> MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 28.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mimo-v2-6-flash-vs-qwen1-5-4b-chat
- Last updated: 2026-10-12
- Shared benchmarks: 12

## Summary

- They share 12 benchmarks with published results for both. MiMo-V2.6-Flash scores higher in 8 categories and Qwen1.5 4b Chat in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where MiMo-V2.6-Flash leads 63.1 to 23.8.

## Snapshot

| | MiMo-V2.6-Flash | Qwen1.5 4b Chat |
|---|---|---|
| Provider | Xiaomi | Alibaba (Qwen) |
| Noometry Index | 48.5 | 28.8 |
| Rank | 55 | 322 |
| Context | 1.05M | — |
| Input $/M | $0.14 | — |
| Output $/M | $0.28 | — |
| Weights | Open | Open |

## Coding

- MiMo-V2.6-Flash: 53.4 (#30)
- Qwen1.5 4b Chat: 29.1 (#308)

| Benchmark | MiMo-V2.6-Flash | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Coding | 1504 | 999 |
| LMArena WebDev | 1637 | — |
| SciCode | 51.3% | — |

## Reasoning

- MiMo-V2.6-Flash: 36.5 (#66)
- Qwen1.5 4b Chat: 18.5 (#279)

| Benchmark | MiMo-V2.6-Flash | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Hard Prompts | 1482 | 976 |
| CritPt | 12% | — |

## Math

- MiMo-V2.6-Flash: 51.9 (#52)
- Qwen1.5 4b Chat: 30.4 (#234)

| Benchmark | MiMo-V2.6-Flash | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Math | 1468 | 1026 |
| ProofBench | 63% | — |

## Knowledge

- MiMo-V2.6-Flash: 42.2 (#99)
- Qwen1.5 4b Chat: 26.7 (#255)

| Benchmark | MiMo-V2.6-Flash | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Expert | 1501 | 980 |

## Multimodal

- MiMo-V2.6-Flash: 40.5 (#47)
- Qwen1.5 4b Chat: —

| Benchmark | MiMo-V2.6-Flash | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Vision | 1259 | — |

## Multilingual

- MiMo-V2.6-Flash: 54.0 (#51)
- Qwen1.5 4b Chat: 24.1 (#290)

| Benchmark | MiMo-V2.6-Flash | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Non-English | 1434 | 979 |
| LMArena Chinese | 1511 | 1024 |
| LMArena Russian | 1409 | 952 |
| LMArena French | 1475 | — |
| LMArena German | — | 902 |
| LMArena Spanish | 1456 | — |

## Instruction Following

- MiMo-V2.6-Flash: 76.8 (#35)
- Qwen1.5 4b Chat: 49.0 (#300)

| Benchmark | MiMo-V2.6-Flash | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Instruction Following | 1463 | 978 |

## Long Context

- MiMo-V2.6-Flash: 44.8 (#57)
- Qwen1.5 4b Chat: 30.1 (#290)

| Benchmark | MiMo-V2.6-Flash | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Longer Query | 1463 | 988 |

## Writing & Preference

- MiMo-V2.6-Flash: 63.1 (#67)
- Qwen1.5 4b Chat: 23.8 (#309)

| Benchmark | MiMo-V2.6-Flash | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Text | 1455 | 997 |
| LMArena Creative Writing | 1400 | 969 |
| LMArena Multi-Turn | 1451 | 977 |

## FAQ

### Is MiMo-V2.6-Flash better than Qwen1.5 4b Chat?

MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 28.8 on the Noometry Index.

### Is MiMo-V2.6-Flash or Qwen1.5 4b Chat better for coding?

MiMo-V2.6-Flash scores higher on coding benchmarks: 53.4 versus 29.1 in the Noometry coding category.

### How many benchmarks do MiMo-V2.6-Flash and Qwen1.5 4b Chat share?

12 benchmarks have published results for both models. MiMo-V2.6-Flash has 19 scored results on Noometry and Qwen1.5 4b Chat has 13.