# Dolly 2.0-12b vs MiMo-V2-Omni

> MiMo-V2-Omni is the stronger model overall, scoring 43.6 to 25.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/dolly-2-0-12b-vs-mimo-v2-omni
- Last updated: 2026-10-12
- Shared benchmarks: 9

## Summary

- They share 9 benchmarks with published results for both. Dolly 2.0-12b scores higher in 0 categories and MiMo-V2-Omni in 6 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where MiMo-V2-Omni leads 61.4 to 15.2.
- Dolly 2.0-12b has downloadable open weights; the other is API-only.

## Snapshot

| | Dolly 2.0-12b | MiMo-V2-Omni |
|---|---|---|
| Provider | Databricks | Xiaomi |
| Noometry Index | 25.5 | 43.6 |
| Rank | 342 | 88 |
| Context | — | 262K |
| Input $/M | — | $0.14 |
| Output $/M | — | $0.28 |
| Weights | Open | Proprietary |

## Coding

- Dolly 2.0-12b: 23.4 (#332)
- MiMo-V2-Omni: 43.3 (#89)

| Benchmark | Dolly 2.0-12b | MiMo-V2-Omni |
|---|---|---|
| LMArena Coding | 776 | 1466 |

## Reasoning

- Dolly 2.0-12b: 15.3 (#316)
- MiMo-V2-Omni: 29.7 (#88)

| Benchmark | Dolly 2.0-12b | MiMo-V2-Omni |
|---|---|---|
| LMArena Hard Prompts | 804 | 1445 |
| Epoch Capabilities Index | 89.67 | — |
| HellaSwag | 70.8% | — |
| PIQA | 75.4% | — |
| WinoGrande | 61.8% | — |

## Math

- Dolly 2.0-12b: 27.3 (#251)
- MiMo-V2-Omni: 39.1 (#115)

| Benchmark | Dolly 2.0-12b | MiMo-V2-Omni |
|---|---|---|
| LMArena Math | 871 | 1430 |

## Knowledge

- Dolly 2.0-12b: —
- MiMo-V2-Omni: 40.5 (#118)

| Benchmark | Dolly 2.0-12b | MiMo-V2-Omni |
|---|---|---|
| LMArena Expert | — | 1449 |
| ARC (AI2) Challenge | 39.6% | — |
| BoolQ | 56.3% | — |
| MMLU | 26.2% | — |
| OpenBookQA | 39.2% | — |

## Multimodal

- Dolly 2.0-12b: —
- MiMo-V2-Omni: 38.6 (#63)

| Benchmark | Dolly 2.0-12b | MiMo-V2-Omni |
|---|---|---|
| LMArena Vision | — | 1228 |

## Multilingual

- Dolly 2.0-12b: 17.4 (#296)
- MiMo-V2-Omni: 51.8 (#102)

| Benchmark | Dolly 2.0-12b | MiMo-V2-Omni |
|---|---|---|
| LMArena Non-English | 836 | 1404 |
| LMArena Chinese | 836 | 1465 |
| LMArena French | — | 1447 |
| LMArena German | — | 1399 |
| LMArena Japanese | — | 1317 |
| LMArena Korean | — | 1355 |
| LMArena Russian | — | 1412 |
| LMArena Spanish | — | 1434 |

## Instruction Following

- Dolly 2.0-12b: 38.7 (#304)
- MiMo-V2-Omni: 75.2 (#66)

| Benchmark | Dolly 2.0-12b | MiMo-V2-Omni |
|---|---|---|
| LMArena Instruction Following | 814 | 1428 |

## Long Context

- Dolly 2.0-12b: —
- MiMo-V2-Omni: 44.1 (#76)

| Benchmark | Dolly 2.0-12b | MiMo-V2-Omni |
|---|---|---|
| LMArena Longer Query | — | 1442 |

## Writing & Preference

- Dolly 2.0-12b: 15.2 (#311)
- MiMo-V2-Omni: 61.4 (#87)

| Benchmark | Dolly 2.0-12b | MiMo-V2-Omni |
|---|---|---|
| LMArena Text | 851 | 1423 |
| LMArena Creative Writing | 864 | 1392 |
| LMArena Multi-Turn | 740 | 1445 |

## FAQ

### Is Dolly 2.0-12b better than MiMo-V2-Omni?

MiMo-V2-Omni is the stronger model overall, scoring 43.6 to 25.5 on the Noometry Index.

### Is Dolly 2.0-12b or MiMo-V2-Omni better for coding?

MiMo-V2-Omni scores higher on coding benchmarks: 43.3 versus 23.4 in the Noometry coding category.

### How many benchmarks do Dolly 2.0-12b and MiMo-V2-Omni share?

9 benchmarks have published results for both models. Dolly 2.0-12b has 17 scored results on Noometry and MiMo-V2-Omni has 18.