# MiMo-V2.5 vs Mistral Medium 3.1

> MiMo-V2.5 is the stronger model overall, scoring 43.4 to 31.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mimo-v2-5-vs-mistral-medium-3-1
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where MiMo-V2.5 leads 28.6 to 10.6.
- MiMo-V2.5 is cheaper at $0.14 / $0.28 per million input/output tokens, against $0.40 / $2 for Mistral Medium 3.1.
- MiMo-V2.5 accepts more context: 1.05M tokens versus 131K.
- MiMo-V2.5 has downloadable open weights; the other is API-only.

## Snapshot

| | MiMo-V2.5 | Mistral Medium 3.1 |
|---|---|---|
| Provider | Xiaomi | Mistral AI |
| Noometry Index | 43.4 | 31.9 |
| Rank | 93 | 266 |
| Context | 1.05M | 131K |
| Input $/M | $0.14 | $0.40 |
| Output $/M | $0.28 | $2 |
| Weights | Open | Proprietary |

## Coding

- MiMo-V2.5: 43.9 (#81)
- Mistral Medium 3.1: —

| Benchmark | MiMo-V2.5 | Mistral Medium 3.1 |
|---|---|---|
| LMArena WebDev | 1438 | — |
| SciCode | 43.1% | — |
| LMArena Coding | 1469 | — |
| ALE-Bench | 513.95 | — |

## Reasoning

- MiMo-V2.5: 28.6 (#101)
- Mistral Medium 3.1: 10.6 (#341)

| Benchmark | MiMo-V2.5 | Mistral Medium 3.1 |
|---|---|---|
| NYT Connections (extended) | — | 6.5% |
| CritPt | 3.7% | — |
| Thematic Generalization | — | 20.3% |
| LMArena Hard Prompts | 1450 | — |

## Math

- MiMo-V2.5: 36.8 (#163)
- Mistral Medium 3.1: —

| Benchmark | MiMo-V2.5 | Mistral Medium 3.1 |
|---|---|---|
| ProofBench | 16% | — |
| LMArena Math | 1436 | — |

## Knowledge

- MiMo-V2.5: 40.8 (#115)
- Mistral Medium 3.1: —

| Benchmark | MiMo-V2.5 | Mistral Medium 3.1 |
|---|---|---|
| LMArena Expert | 1460 | — |

## Multimodal

- MiMo-V2.5: 39.8 (#54)
- Mistral Medium 3.1: —

| Benchmark | MiMo-V2.5 | Mistral Medium 3.1 |
|---|---|---|
| LMArena Vision | 1247 | — |

## Multilingual

- MiMo-V2.5: 51.9 (#99)
- Mistral Medium 3.1: —

| Benchmark | MiMo-V2.5 | Mistral Medium 3.1 |
|---|---|---|
| LMArena Non-English | 1404 | — |
| LMArena Chinese | 1468 | — |
| LMArena French | 1447 | — |
| LMArena German | 1421 | — |
| LMArena Japanese | 1306 | — |
| LMArena Korean | 1363 | — |
| LMArena Russian | 1395 | — |
| LMArena Spanish | 1416 | — |

## Instruction Following

- MiMo-V2.5: 75.5 (#60)
- Mistral Medium 3.1: —

| Benchmark | MiMo-V2.5 | Mistral Medium 3.1 |
|---|---|---|
| LMArena Instruction Following | 1434 | — |

## Long Context

- MiMo-V2.5: 44.2 (#73)
- Mistral Medium 3.1: —

| Benchmark | MiMo-V2.5 | Mistral Medium 3.1 |
|---|---|---|
| LMArena Longer Query | 1445 | — |

## Writing & Preference

- MiMo-V2.5: 61.6 (#86)
- Mistral Medium 3.1: 55.5 (#145)

| Benchmark | MiMo-V2.5 | Mistral Medium 3.1 |
|---|---|---|
| LMArena Text | 1428 | — |
| LMArena Creative Writing | 1393 | — |
| EQ-Bench Creative Writing | — | 1476 |
| LMArena Multi-Turn | 1445 | — |

## FAQ

### Is MiMo-V2.5 better than Mistral Medium 3.1?

MiMo-V2.5 is the stronger model overall, scoring 43.4 to 31.9 on the Noometry Index.

### Which is cheaper, MiMo-V2.5 or Mistral Medium 3.1?

MiMo-V2.5 is cheaper. It lists at $0.14 per million input tokens and $0.28 per million output tokens; Mistral Medium 3.1 lists at $0.40 and $2.

### Which has the bigger context window?

MiMo-V2.5 does, with 1.05M tokens against 131K.

### How many benchmarks do MiMo-V2.5 and Mistral Medium 3.1 share?

0 benchmarks have published results for both models. MiMo-V2.5 has 23 scored results on Noometry and Mistral Medium 3.1 has 3.