# MiMo-V2-Flash: AI model fact sheet

- **Provider:** xiaomi
- **Released:** 2025-12-14
- **Context window:** 262,144 tokens
- **API pricing:** $0.000 / 1M input, $0.000 / 1M output
- **OpenRouter ID:** xiaomi/mimo-v2-flash:free
- **Capabilities:** conversation, reasoning, code-generation, analysis, agentic-tool-use

MiMo-V2-Flash is an open-source foundation language model developed by Xiaomi. It is a Mixture-of-Experts model with 309B total parameters and 15B active parameters, adopting hybrid attention architecture. MiMo-V2-Flash supports a hybrid-thinking toggle and a 256K context window, and excels at reasoning, coding, and agent scenarios. On SWE-bench Verified and SWE-bench Multilingual, MiMo-V2-Flash ranks as the top #1 open-source model globally, delivering performance comparable to Claude Sonnet 4.5 while costing only about 3.5% as much.

## Benchmarks

| Benchmark | Score |
| --- | --- |
| SWE-bench Verified | 73.4% |
| LiveCodeBench | 80.6% |

Source: real side-by-side outputs, pricing and specs at https://rival.tips/models/mimo-v2-flash