# MiMo-V2.6-Pro vs Step 2 16k Exp 202412

> MiMo-V2.6-Pro is the stronger model overall, scoring 50.3 to 39.2 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mimo-v2-6-pro-vs-step-2-16k-exp-202412
- Last updated: 2026-10-12
- Shared benchmarks: 12

## Summary

- They share 12 benchmarks with published results for both. MiMo-V2.6-Pro scores higher in 8 categories and Step 2 16k Exp 202412 in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where MiMo-V2.6-Pro leads 54.5 to 36.3.
- MiMo-V2.6-Pro has downloadable open weights; the other is API-only.

## Snapshot

| | MiMo-V2.6-Pro | Step 2 16k Exp 202412 |
|---|---|---|
| Provider | Xiaomi | StepFun |
| Noometry Index | 50.3 | 39.2 |
| Rank | 49 | 171 |
| Context | 1.05M | — |
| Input $/M | $0.43 | — |
| Output $/M | $0.87 | — |
| Weights | Open | Proprietary |

## Coding

- MiMo-V2.6-Pro: 55.5 (#23)
- Step 2 16k Exp 202412: 38.5 (#174)

| Benchmark | MiMo-V2.6-Pro | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Coding | 1534 | 1316 |
| LMArena WebDev | 1629 | — |
| SciCode | 60.9% | — |
| ALE-Bench | 1,158 | — |

## Agentic & Tool Use

- MiMo-V2.6-Pro: 37.5 (#35)
- Step 2 16k Exp 202412: —

| Benchmark | MiMo-V2.6-Pro | Step 2 16k Exp 202412 |
|---|---|---|
| APEX-Agents | 59.5% | — |

## Reasoning

- MiMo-V2.6-Pro: 43.1 (#50)
- Step 2 16k Exp 202412: 25.9 (#142)

| Benchmark | MiMo-V2.6-Pro | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Hard Prompts | 1512 | 1299 |
| CritPt | 26.6% | — |

## Math

- MiMo-V2.6-Pro: 54.5 (#45)
- Step 2 16k Exp 202412: 36.3 (#169)

| Benchmark | MiMo-V2.6-Pro | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Math | 1494 | 1304 |
| ProofBench | 70% | — |

## Knowledge

- MiMo-V2.6-Pro: 43.5 (#92)
- Step 2 16k Exp 202412: 35.2 (#187)

| Benchmark | MiMo-V2.6-Pro | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Expert | 1543 | 1279 |

## Multimodal

- MiMo-V2.6-Pro: 40.8 (#43)
- Step 2 16k Exp 202412: —

| Benchmark | MiMo-V2.6-Pro | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Vision | 1264 | — |

## Multilingual

- MiMo-V2.6-Pro: 56.9 (#14)
- Step 2 16k Exp 202412: 43.7 (#181)

| Benchmark | MiMo-V2.6-Pro | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Non-English | 1474 | 1290 |
| LMArena Chinese | 1529 | 1331 |
| LMArena Russian | 1480 | 1324 |

## Instruction Following

- MiMo-V2.6-Pro: 78.2 (#12)
- Step 2 16k Exp 202412: 67.9 (#192)

| Benchmark | MiMo-V2.6-Pro | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Instruction Following | 1493 | 1287 |

## Long Context

- MiMo-V2.6-Pro: 46.0 (#27)
- Step 2 16k Exp 202412: 39.7 (#170)

| Benchmark | MiMo-V2.6-Pro | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Longer Query | 1501 | 1307 |

## Writing & Preference

- MiMo-V2.6-Pro: 66.8 (#33)
- Step 2 16k Exp 202412: 52.3 (#173)

| Benchmark | MiMo-V2.6-Pro | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Text | 1492 | 1321 |
| LMArena Creative Writing | 1468 | 1328 |
| LMArena Multi-Turn | 1464 | 1292 |

## FAQ

### Is MiMo-V2.6-Pro better than Step 2 16k Exp 202412?

MiMo-V2.6-Pro is the stronger model overall, scoring 50.3 to 39.2 on the Noometry Index.

### Is MiMo-V2.6-Pro or Step 2 16k Exp 202412 better for coding?

MiMo-V2.6-Pro scores higher on coding benchmarks: 55.5 versus 38.5 in the Noometry coding category.

### How many benchmarks do MiMo-V2.6-Pro and Step 2 16k Exp 202412 share?

12 benchmarks have published results for both models. MiMo-V2.6-Pro has 19 scored results on Noometry and Step 2 16k Exp 202412 has 12.