# MiMo-V2.6-Flash vs o1-mini

> MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 34.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mimo-v2-6-flash-vs-o1-mini
- Last updated: 2026-10-11
- Shared benchmarks: 14

## Summary

- They share 14 benchmarks with published results for both. MiMo-V2.6-Flash scores higher in 8 categories and o1-mini in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where MiMo-V2.6-Flash leads 36.5 to 8.8.
- MiMo-V2.6-Flash has downloadable open weights; the other is API-only.

## Snapshot

| | MiMo-V2.6-Flash | o1-mini |
|---|---|---|
| Provider | Xiaomi | OpenAI |
| Noometry Index | 48.5 | 34.0 |
| Rank | 55 | 235 |
| Context | 1.05M | — |
| Input $/M | $0.14 | — |
| Output $/M | $0.28 | — |
| Weights | Open | Proprietary |

## Coding

- MiMo-V2.6-Flash: 53.4 (#30)
- o1-mini: 35.5 (#224)

| Benchmark | MiMo-V2.6-Flash | o1-mini |
|---|---|---|
| LMArena Coding | 1504 | 1362 |
| Aider Polyglot | — | 32.9% |
| LMArena WebDev | 1637 | — |
| SciCode | 51.3% | — |
| WeirdML | — | 36.3% |
| LiveBench Coding | — | 48% |
| HumanEval+ | — | 89% |
| MBPP+ | — | 78.8% |

## Agentic & Tool Use

- MiMo-V2.6-Flash: —
- o1-mini: 24.6 (#118)

| Benchmark | MiMo-V2.6-Flash | o1-mini |
|---|---|---|
| Cybench | — | 10% |

## Reasoning

- MiMo-V2.6-Flash: 36.5 (#66)
- o1-mini: 8.8 (#346)

| Benchmark | MiMo-V2.6-Flash | o1-mini |
|---|---|---|
| LMArena Hard Prompts | 1482 | 1333 |
| ARC-AGI-2 | — | 0.8% |
| SimpleBench | — | 18.1% |
| ARC-AGI-1 | — | 14% |
| CritPt | 12% | — |
| LiveBench Reasoning | — | 72.3% |
| LiveBench Data Analysis | — | 57.9% |
| Epoch Capabilities Index | — | 135.82 |
| LiveBench | — | 57.8% |

## Math

- MiMo-V2.6-Flash: 51.9 (#52)
- o1-mini: 35.4 (#186)

| Benchmark | MiMo-V2.6-Flash | o1-mini |
|---|---|---|
| LMArena Math | 1468 | 1358 |
| OTIS Mock AIME 2024-2025 | — | 46.9% |
| ProofBench | 63% | — |
| LiveBench Math | — | 62% |
| MATH Level 5 | — | 89.2% |
| FrontierMath (Feb 2025 set) | — | 1.7% |

## Knowledge

- MiMo-V2.6-Flash: 42.2 (#99)
- o1-mini: 34.9 (#192)

| Benchmark | MiMo-V2.6-Flash | o1-mini |
|---|---|---|
| LMArena Expert | 1501 | 1316 |
| GPQA Diamond | — | 62.4% |
| Confabulations | — | 18.6% |

## Multimodal

- MiMo-V2.6-Flash: 40.5 (#47)
- o1-mini: —

| Benchmark | MiMo-V2.6-Flash | o1-mini |
|---|---|---|
| LMArena Vision | 1259 | — |

## Multilingual

- MiMo-V2.6-Flash: 54.0 (#51)
- o1-mini: 43.6 (#182)

| Benchmark | MiMo-V2.6-Flash | o1-mini |
|---|---|---|
| LMArena Non-English | 1434 | 1289 |
| LMArena Chinese | 1511 | 1314 |
| LMArena French | 1475 | 1293 |
| LMArena Russian | 1409 | 1283 |
| LMArena Spanish | 1456 | 1303 |
| LMArena German | — | 1278 |
| LMArena Japanese | — | 1245 |
| LMArena Korean | — | 1223 |

## Instruction Following

- MiMo-V2.6-Flash: 76.8 (#35)
- o1-mini: 66.7 (#206)

| Benchmark | MiMo-V2.6-Flash | o1-mini |
|---|---|---|
| LMArena Instruction Following | 1463 | 1304 |
| LiveBench Instruction Following | — | 65.4% |

## Long Context

- MiMo-V2.6-Flash: 44.8 (#57)
- o1-mini: 40.1 (#161)

| Benchmark | MiMo-V2.6-Flash | o1-mini |
|---|---|---|
| LMArena Longer Query | 1463 | 1320 |

## Writing & Preference

- MiMo-V2.6-Flash: 63.1 (#67)
- o1-mini: 48.4 (#202)

| Benchmark | MiMo-V2.6-Flash | o1-mini |
|---|---|---|
| LMArena Text | 1455 | 1317 |
| LMArena Creative Writing | 1400 | 1244 |
| LMArena Multi-Turn | 1451 | 1314 |
| Short-Story Creative Writing | — | 64.9% |
| LiveBench Language | — | 40.9% |

## FAQ

### Is MiMo-V2.6-Flash better than o1-mini?

MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 34.0 on the Noometry Index.

### Is MiMo-V2.6-Flash or o1-mini better for coding?

MiMo-V2.6-Flash scores higher on coding benchmarks: 53.4 versus 35.5 in the Noometry coding category.

### How many benchmarks do MiMo-V2.6-Flash and o1-mini share?

14 benchmarks have published results for both models. MiMo-V2.6-Flash has 19 scored results on Noometry and o1-mini has 39.