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

> MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 39.2 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mimo-v2-6-flash-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-Flash 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-Flash leads 51.9 to 36.3.
- MiMo-V2.6-Flash has downloadable open weights; the other is API-only.

## Snapshot

| | MiMo-V2.6-Flash | Step 2 16k Exp 202412 |
|---|---|---|
| Provider | Xiaomi | StepFun |
| Noometry Index | 48.5 | 39.2 |
| Rank | 55 | 171 |
| Context | 1.05M | — |
| Input $/M | $0.14 | — |
| Output $/M | $0.28 | — |
| Weights | Open | Proprietary |

## Coding

- MiMo-V2.6-Flash: 53.4 (#30)
- Step 2 16k Exp 202412: 38.5 (#174)

| Benchmark | MiMo-V2.6-Flash | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Coding | 1504 | 1316 |
| LMArena WebDev | 1637 | — |
| SciCode | 51.3% | — |

## Reasoning

- MiMo-V2.6-Flash: 36.5 (#66)
- Step 2 16k Exp 202412: 25.9 (#142)

| Benchmark | MiMo-V2.6-Flash | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Hard Prompts | 1482 | 1299 |
| CritPt | 12% | — |

## Math

- MiMo-V2.6-Flash: 51.9 (#52)
- Step 2 16k Exp 202412: 36.3 (#169)

| Benchmark | MiMo-V2.6-Flash | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Math | 1468 | 1304 |
| ProofBench | 63% | — |

## Knowledge

- MiMo-V2.6-Flash: 42.2 (#99)
- Step 2 16k Exp 202412: 35.2 (#187)

| Benchmark | MiMo-V2.6-Flash | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Expert | 1501 | 1279 |

## Multimodal

- MiMo-V2.6-Flash: 40.5 (#47)
- Step 2 16k Exp 202412: —

| Benchmark | MiMo-V2.6-Flash | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Vision | 1259 | — |

## Multilingual

- MiMo-V2.6-Flash: 54.0 (#51)
- Step 2 16k Exp 202412: 43.7 (#181)

| Benchmark | MiMo-V2.6-Flash | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Non-English | 1434 | 1290 |
| LMArena Chinese | 1511 | 1331 |
| LMArena Russian | 1409 | 1324 |
| LMArena French | 1475 | — |
| LMArena Spanish | 1456 | — |

## Instruction Following

- MiMo-V2.6-Flash: 76.8 (#35)
- Step 2 16k Exp 202412: 67.9 (#192)

| Benchmark | MiMo-V2.6-Flash | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Instruction Following | 1463 | 1287 |

## Long Context

- MiMo-V2.6-Flash: 44.8 (#57)
- Step 2 16k Exp 202412: 39.7 (#170)

| Benchmark | MiMo-V2.6-Flash | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Longer Query | 1463 | 1307 |

## Writing & Preference

- MiMo-V2.6-Flash: 63.1 (#67)
- Step 2 16k Exp 202412: 52.3 (#173)

| Benchmark | MiMo-V2.6-Flash | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Text | 1455 | 1321 |
| LMArena Creative Writing | 1400 | 1328 |
| LMArena Multi-Turn | 1451 | 1292 |

## FAQ

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

MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 39.2 on the Noometry Index.

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

MiMo-V2.6-Flash scores higher on coding benchmarks: 53.4 versus 38.5 in the Noometry coding category.

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

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