# MiMo-V2-Omni vs Step 3

> MiMo-V2-Omni is the stronger model overall, scoring 43.6 to 40.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mimo-v2-omni-vs-step-3
- Last updated: 2026-10-11
- Shared benchmarks: 16

## Summary

- They share 16 benchmarks with published results for both. MiMo-V2-Omni scores higher in 9 categories and Step 3 in 0 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where MiMo-V2-Omni leads 61.4 to 54.3.
- Step 3 has downloadable open weights; the other is API-only.

## Snapshot

| | MiMo-V2-Omni | Step 3 |
|---|---|---|
| Provider | Xiaomi | StepFun |
| Noometry Index | 43.6 | 40.5 |
| Rank | 88 | 149 |
| Context | 262K | — |
| Input $/M | $0.14 | — |
| Output $/M | $0.28 | — |
| Weights | Proprietary | Open |

## Coding

- MiMo-V2-Omni: 43.3 (#89)
- Step 3: 40.1 (#147)

| Benchmark | MiMo-V2-Omni | Step 3 |
|---|---|---|
| LMArena Coding | 1466 | 1367 |

## Reasoning

- MiMo-V2-Omni: 29.7 (#88)
- Step 3: 28.4 (#105)

| Benchmark | MiMo-V2-Omni | Step 3 |
|---|---|---|
| LMArena Hard Prompts | 1445 | 1355 |
| Kagi LLM Benchmark | — | 62.3% |

## Math

- MiMo-V2-Omni: 39.1 (#115)
- Step 3: 37.6 (#148)

| Benchmark | MiMo-V2-Omni | Step 3 |
|---|---|---|
| LMArena Math | 1430 | 1366 |

## Knowledge

- MiMo-V2-Omni: 40.5 (#118)
- Step 3: 36.8 (#164)

| Benchmark | MiMo-V2-Omni | Step 3 |
|---|---|---|
| LMArena Expert | 1449 | 1333 |

## Multimodal

- MiMo-V2-Omni: 38.6 (#63)
- Step 3: 35.5 (#86)

| Benchmark | MiMo-V2-Omni | Step 3 |
|---|---|---|
| LMArena Vision | 1228 | 1177 |

## Multilingual

- MiMo-V2-Omni: 51.8 (#102)
- Step 3: 46.3 (#159)

| Benchmark | MiMo-V2-Omni | Step 3 |
|---|---|---|
| LMArena Non-English | 1404 | 1327 |
| LMArena Chinese | 1465 | 1397 |
| LMArena German | 1399 | 1371 |
| LMArena Korean | 1355 | 1269 |
| LMArena Russian | 1412 | 1331 |
| LMArena Spanish | 1434 | 1371 |
| LMArena French | 1447 | — |
| LMArena Japanese | 1317 | — |

## Instruction Following

- MiMo-V2-Omni: 75.2 (#66)
- Step 3: 70.4 (#164)

| Benchmark | MiMo-V2-Omni | Step 3 |
|---|---|---|
| LMArena Instruction Following | 1428 | 1332 |

## Long Context

- MiMo-V2-Omni: 44.1 (#76)
- Step 3: 40.3 (#157)

| Benchmark | MiMo-V2-Omni | Step 3 |
|---|---|---|
| LMArena Longer Query | 1442 | 1326 |

## Writing & Preference

- MiMo-V2-Omni: 61.4 (#87)
- Step 3: 54.3 (#151)

| Benchmark | MiMo-V2-Omni | Step 3 |
|---|---|---|
| LMArena Text | 1423 | 1350 |
| LMArena Creative Writing | 1392 | 1321 |
| LMArena Multi-Turn | 1445 | 1341 |

## FAQ

### Is MiMo-V2-Omni better than Step 3?

MiMo-V2-Omni is the stronger model overall, scoring 43.6 to 40.5 on the Noometry Index.

### Is MiMo-V2-Omni or Step 3 better for coding?

MiMo-V2-Omni scores higher on coding benchmarks: 43.3 versus 40.1 in the Noometry coding category.

### How many benchmarks do MiMo-V2-Omni and Step 3 share?

16 benchmarks have published results for both models. MiMo-V2-Omni has 18 scored results on Noometry and Step 3 has 17.