# MiMo-V2.6-Flash vs Step 3.5 Flash

> MiMo-V2.6-Flash is the stronger model overall, scoring 44.4 to 41.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mimo-v2-6-flash-vs-step-3-5-flash
- Last updated: 2026-10-10
- Shared benchmarks: 12

## Summary

- They share 12 benchmarks with published results for both. MiMo-V2.6-Flash scores higher in 7 categories and Step 3.5 Flash in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where MiMo-V2.6-Flash leads 29.6 to 21.2.
- Step 3.5 Flash is cheaper at $0.10 / $0.30 per million input/output tokens, against $0.14 / $0.28 for MiMo-V2.6-Flash.
- MiMo-V2.6-Flash accepts more context: 1.05M tokens versus 256K.

## Snapshot

| | MiMo-V2.6-Flash | Step 3.5 Flash |
|---|---|---|
| Provider | Xiaomi | StepFun |
| Noometry Index | 44.4 | 41.7 |
| Rank | 74 | 116 |
| Context | 1.05M | 256K |
| Input $/M | $0.14 | $0.10 |
| Output $/M | $0.28 | $0.30 |
| Weights | Open | Open |

## Coding

- MiMo-V2.6-Flash: 44.3 (#68)
- Step 3.5 Flash: 41.7 (#106)

| Benchmark | MiMo-V2.6-Flash | Step 3.5 Flash |
|---|---|---|
| LMArena Coding | 1516 | 1436 |

## Reasoning

- MiMo-V2.6-Flash: 29.6 (#82)
- Step 3.5 Flash: 21.2 (#202)

| Benchmark | MiMo-V2.6-Flash | Step 3.5 Flash |
|---|---|---|
| LMArena Hard Prompts | 1481 | 1411 |
| NYT Connections (extended) | — | 28.4% |

## Math

- MiMo-V2.6-Flash: 37.4 (#97)
- Step 3.5 Flash: 40.6 (#77)

| Benchmark | MiMo-V2.6-Flash | Step 3.5 Flash |
|---|---|---|
| LMArena Math | 1477 | 1408 |
| MathArena Final-Answer Competitions | — | 66.8% |

## Knowledge

- MiMo-V2.6-Flash: 42.0 (#91)
- Step 3.5 Flash: 39.0 (#127)

| Benchmark | MiMo-V2.6-Flash | Step 3.5 Flash |
|---|---|---|
| LMArena Expert | 1516 | 1422 |

## Multimodal

- MiMo-V2.6-Flash: 40.2 (#39)
- Step 3.5 Flash: —

| Benchmark | MiMo-V2.6-Flash | Step 3.5 Flash |
|---|---|---|
| LMArena Vision | 1266 | — |

## Multilingual

- MiMo-V2.6-Flash: 54.6 (#41)
- Step 3.5 Flash: 50.7 (#115)

| Benchmark | MiMo-V2.6-Flash | Step 3.5 Flash |
|---|---|---|
| LMArena Non-English | 1439 | 1386 |
| LMArena Chinese | 1501 | 1448 |
| LMArena Russian | 1424 | 1385 |
| LMArena French | — | 1421 |
| LMArena German | — | 1404 |
| LMArena Japanese | — | 1353 |
| LMArena Korean | — | 1350 |
| LMArena Spanish | — | 1419 |

## Instruction Following

- MiMo-V2.6-Flash: 77.0 (#33)
- Step 3.5 Flash: 73.3 (#119)

| Benchmark | MiMo-V2.6-Flash | Step 3.5 Flash |
|---|---|---|
| LMArena Instruction Following | 1463 | 1385 |

## Long Context

- MiMo-V2.6-Flash: 44.8 (#52)
- Step 3.5 Flash: 42.8 (#112)

| Benchmark | MiMo-V2.6-Flash | Step 3.5 Flash |
|---|---|---|
| LMArena Longer Query | 1465 | 1402 |

## Writing & Preference

- MiMo-V2.6-Flash: 63.9 (#61)
- Step 3.5 Flash: 59.0 (#108)

| Benchmark | MiMo-V2.6-Flash | Step 3.5 Flash |
|---|---|---|
| LMArena Text | 1459 | 1403 |
| LMArena Creative Writing | 1408 | 1357 |
| LMArena Multi-Turn | 1460 | 1405 |

## FAQ

### Is MiMo-V2.6-Flash better than Step 3.5 Flash?

MiMo-V2.6-Flash is the stronger model overall, scoring 44.4 to 41.7 on the Noometry Index.

### Which is cheaper, MiMo-V2.6-Flash or Step 3.5 Flash?

Step 3.5 Flash is cheaper. It lists at $0.10 per million input tokens and $0.30 per million output tokens; MiMo-V2.6-Flash lists at $0.14 and $0.28.

### Is MiMo-V2.6-Flash or Step 3.5 Flash better for coding?

MiMo-V2.6-Flash scores higher on coding benchmarks: 44.3 versus 41.7 in the Noometry coding category.

### Which has the bigger context window?

MiMo-V2.6-Flash does, with 1.05M tokens against 256K.

### How many benchmarks do MiMo-V2.6-Flash and Step 3.5 Flash share?

12 benchmarks have published results for both models. MiMo-V2.6-Flash has 13 scored results on Noometry and Step 3.5 Flash has 19.