# MiMo-V2.5-Pro vs MiMo-V2.6-Pro

> MiMo-V2.6-Pro is the stronger model overall, scoring 50.3 to 45.2 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mimo-v2-5-pro-vs-mimo-v2-6-pro
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. MiMo-V2.5-Pro scores higher in 0 categories and MiMo-V2.6-Pro in 8 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where MiMo-V2.6-Pro leads 43.1 to 26.8.
- The biggest single-benchmark swing is ProofBench: 22% for MiMo-V2.5-Pro and 70% for MiMo-V2.6-Pro.
- Both cost about the same: $0.43 input and $0.87 output per million tokens.

## Snapshot

| | MiMo-V2.5-Pro | MiMo-V2.6-Pro |
|---|---|---|
| Provider | Xiaomi | Xiaomi |
| Noometry Index | 45.2 | 50.3 |
| Rank | 74 | 49 |
| Context | 1.05M | 1.05M |
| Input $/M | $0.43 | $0.43 |
| Output $/M | $0.87 | $0.87 |
| Weights | Open | Open |

## Coding

- MiMo-V2.5-Pro: 47.4 (#60)
- MiMo-V2.6-Pro: 55.5 (#23)

| Benchmark | MiMo-V2.5-Pro | MiMo-V2.6-Pro |
|---|---|---|
| LMArena WebDev | 1479 | 1629 |
| SciCode | 50.2% | 60.9% |
| LMArena Coding | 1503 | 1534 |
| ALE-Bench | 899.8 | 1,158 |

## Agentic & Tool Use

- MiMo-V2.5-Pro: —
- MiMo-V2.6-Pro: 37.5 (#35)

| Benchmark | MiMo-V2.5-Pro | MiMo-V2.6-Pro |
|---|---|---|
| APEX-Agents | — | 59.5% |

## Reasoning

- MiMo-V2.5-Pro: 26.8 (#130)
- MiMo-V2.6-Pro: 43.1 (#50)

| Benchmark | MiMo-V2.5-Pro | MiMo-V2.6-Pro |
|---|---|---|
| CritPt | 4% | 26.6% |
| LMArena Hard Prompts | 1488 | 1512 |
| NYT Connections (extended) | 34.4% | — |
| DTBench | 84.5% | — |
| LMCA | 29.5% | — |

## Math

- MiMo-V2.5-Pro: 40.0 (#96)
- MiMo-V2.6-Pro: 54.5 (#45)

| Benchmark | MiMo-V2.5-Pro | MiMo-V2.6-Pro |
|---|---|---|
| ProofBench | 22% | 70% |
| LMArena Math | 1481 | 1494 |

## Knowledge

- MiMo-V2.5-Pro: 42.2 (#98)
- MiMo-V2.6-Pro: 43.5 (#92)

| Benchmark | MiMo-V2.5-Pro | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Expert | 1503 | 1543 |

## Multimodal

- MiMo-V2.5-Pro: —
- MiMo-V2.6-Pro: 40.8 (#43)

| Benchmark | MiMo-V2.5-Pro | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Vision | — | 1264 |

## Multilingual

- MiMo-V2.5-Pro: 55.1 (#34)
- MiMo-V2.6-Pro: 56.9 (#14)

| Benchmark | MiMo-V2.5-Pro | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Non-English | 1449 | 1474 |
| LMArena Chinese | 1507 | 1529 |
| LMArena Russian | 1450 | 1480 |
| LMArena French | 1488 | — |
| LMArena German | 1458 | — |
| LMArena Japanese | 1412 | — |
| LMArena Korean | 1437 | — |
| LMArena Spanish | 1471 | — |

## Instruction Following

- MiMo-V2.5-Pro: 77.5 (#21)
- MiMo-V2.6-Pro: 78.2 (#12)

| Benchmark | MiMo-V2.5-Pro | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Instruction Following | 1477 | 1493 |

## Long Context

- MiMo-V2.5-Pro: 45.4 (#37)
- MiMo-V2.6-Pro: 46.0 (#27)

| Benchmark | MiMo-V2.5-Pro | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Longer Query | 1483 | 1501 |

## Writing & Preference

- MiMo-V2.5-Pro: 65.3 (#49)
- MiMo-V2.6-Pro: 66.8 (#33)

| Benchmark | MiMo-V2.5-Pro | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Text | 1465 | 1492 |
| LMArena Creative Writing | 1440 | 1468 |
| LMArena Multi-Turn | 1477 | 1464 |
| EQ-Bench Creative Writing | 1493 | — |
| EQ-Bench 4 | 1208 | — |

## FAQ

### Is MiMo-V2.5-Pro better than MiMo-V2.6-Pro?

MiMo-V2.6-Pro is the stronger model overall, scoring 50.3 to 45.2 on the Noometry Index.

### Which is cheaper, MiMo-V2.5-Pro or MiMo-V2.6-Pro?

MiMo-V2.6-Pro is cheaper. It lists at $0.43 per million input tokens and $0.87 per million output tokens; MiMo-V2.5-Pro lists at $0.43 and $0.87.

### Is MiMo-V2.5-Pro or MiMo-V2.6-Pro better for coding?

MiMo-V2.6-Pro scores higher on coding benchmarks: 55.5 versus 47.4 in the Noometry coding category.

### Which has the bigger context window?

Both accept 1.05M tokens.

### How many benchmarks do MiMo-V2.5-Pro and MiMo-V2.6-Pro share?

17 benchmarks have published results for both models. MiMo-V2.5-Pro has 27 scored results on Noometry and MiMo-V2.6-Pro has 19.