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

> MiMo-V2.5 is the stronger model overall, scoring 43.0 to 28.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mimo-v2-5-vs-qwen1-5-4b-chat
- Last updated: 2026-10-10
- Shared benchmarks: 13

## Summary

- They share 13 benchmarks with published results for both. MiMo-V2.5 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-V2.5 leads 61.8 to 23.9.

## Snapshot

| | MiMo-V2.5 | Qwen1.5 4b Chat |
|---|---|---|
| Provider | Xiaomi | Alibaba (Qwen) |
| Noometry Index | 43.0 | 28.3 |
| Rank | 89 | 319 |
| Context | 1.05M | — |
| Input $/M | $0.14 | — |
| Output $/M | $0.28 | — |
| Weights | Open | Open |

## Coding

- MiMo-V2.5: 43.6 (#75)
- Qwen1.5 4b Chat: 28.6 (#305)

| Benchmark | MiMo-V2.5 | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Coding | 1469 | 999 |
| LMArena WebDev | 1438 | — |
| SciCode | 43.1% | — |
| ALE-Bench | 513.95 | — |

## Reasoning

- MiMo-V2.5: 27.8 (#98)
- Qwen1.5 4b Chat: 17.7 (#277)

| Benchmark | MiMo-V2.5 | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Hard Prompts | 1450 | 976 |
| CritPt | 3.7% | — |

## Math

- MiMo-V2.5: 35.4 (#145)
- Qwen1.5 4b Chat: 27.9 (#233)

| Benchmark | MiMo-V2.5 | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Math | 1436 | 1026 |
| ProofBench | 16% | — |

## Knowledge

- MiMo-V2.5: 40.2 (#109)
- Qwen1.5 4b Chat: 26.2 (#252)

| Benchmark | MiMo-V2.5 | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Expert | 1459 | 980 |

## Multimodal

- MiMo-V2.5: 39.0 (#53)
- Qwen1.5 4b Chat: —

| Benchmark | MiMo-V2.5 | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Vision | 1245 | — |

## Multilingual

- MiMo-V2.5: 52.0 (#96)
- Qwen1.5 4b Chat: 24.2 (#285)

| Benchmark | MiMo-V2.5 | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Non-English | 1404 | 979 |
| LMArena Chinese | 1467 | 1024 |
| LMArena German | 1421 | 902 |
| LMArena Russian | 1395 | 952 |
| LMArena French | 1447 | — |
| LMArena Japanese | 1304 | — |
| LMArena Korean | 1363 | — |
| LMArena Spanish | 1412 | — |

## Instruction Following

- MiMo-V2.5: 75.7 (#55)
- Qwen1.5 4b Chat: 49.3 (#295)

| Benchmark | MiMo-V2.5 | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Instruction Following | 1433 | 979 |

## Long Context

- MiMo-V2.5: 44.1 (#69)
- Qwen1.5 4b Chat: 30.1 (#285)

| Benchmark | MiMo-V2.5 | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Longer Query | 1444 | 988 |

## Writing & Preference

- MiMo-V2.5: 61.8 (#82)
- Qwen1.5 4b Chat: 23.9 (#304)

| Benchmark | MiMo-V2.5 | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Text | 1427 | 997 |
| LMArena Creative Writing | 1392 | 969 |
| LMArena Multi-Turn | 1445 | 977 |

## FAQ

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

MiMo-V2.5 is the stronger model overall, scoring 43.0 to 28.3 on the Noometry Index.

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

MiMo-V2.5 scores higher on coding benchmarks: 43.6 versus 28.6 in the Noometry coding category.

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

13 benchmarks have published results for both models. MiMo-V2.5 has 23 scored results on Noometry and Qwen1.5 4b Chat has 13.