Model Details
MiMo v2 Flash
Quick answer: MiMo v2 Flash is Xiaomi's July 2025 model scoring 86.2% Arena Hard v2, 84.9% MMLU-Pro, and 73.4% SWE-Bench Verified. Apache 2.0 — strong instruction quality from a consumer electronics company.
At a Glance
Where MiMo v2 Flash leads
- 86.2% Arena Hard v2 — excellent instruction quality
- 84.9% MMLU-Pro — strong academic breadth
- 73.4% SWE-Bench Verified — solid software engineering
- Apache 2.0 — fully open
Where it lags
- Xiaomi (hardware company) model: less community support than Alibaba/Meta/Mistral
- July 2025: moderate vintage
Best for: Open-source instruction-quality deployments; SWE-Bench Verified coding; Apache 2.0 alternatives to commercial models.
What MiMo v2 Flash Is
MiMo v2 Flash is Xiaomi's July 2025 model in the MiMo (Xiaomi Model) series. Despite being from a consumer electronics company, the 86.2% Arena Hard v2 is remarkably competitive — close to Mistral Small 3 (87.6%) and well above many larger models.
Specifications
| Field | Value |
|---|---|
| Organization | Xiaomi |
| License | Apache 2.0 |
| HuggingFace | XiaomiMiMo/MiMo-v2-Flash |
| Release date | July 2025 |
| Modality | Text only |
Pricing
Open weights under Apache 2.0 — self-host at no cost.
Public Benchmark Scores
| Benchmark | Score | Source | Date |
|---|---|---|---|
| Arena Hard v2 | 86.2% | Benchgen evaluation | 2025-07 |
| MMLU-Pro | 84.9% | Benchgen evaluation | 2025-07 |
| SWE-Bench Verified | 73.4% | Benchgen evaluation | 2025-07 |
MiMo v2 Flash vs Alternatives
| Model | Arena Hard | MMLU-Pro | SWE-Bench Verified | License |
|---|---|---|---|---|
| MiMo v2 Flash | 86.2% | 84.9% | 73.4% | Apache 2.0 |
| MiMo v2.5 Pro | — | — | — | Apache 2.0 |
| Mistral Small 3 24B | 87.6% | 66.3% | — | Apache 2.0 |
MiMo v2 Flash vs Mistral Small 3: nearly equal Arena Hard (86.2% vs 87.6%), much higher MMLU-Pro (84.9% vs 66.3%). Best open Apache 2.0 model for combined Arena Hard + MMLU-Pro.
Related Models & Benchmarks
- Compare: MiMo v2.5 Pro · Mistral Small 3 24B
- Benchmarks: Arena Hard v2 · MMLU-Pro · SWE-Bench Verified
Frequently Asked Questions
What is MiMo v2 Flash?
Xiaomi's July 2025 Apache 2.0 model scoring 86.2% Arena Hard v2, 84.9% MMLU-Pro, 73.4% SWE-Bench Verified. Strong instruction quality.Specs from Xiaomi's MiMo v2 Flash release (July 2025) and Benchgen evaluations. Last updated 2026-07-24.