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    Xiaomi: MiMo-V2-Flash (free)Free variant

    xiaomi/mimo-v2-flash:free

    Created Dec 14, 2025262,144 context
    $0/M input tokens$0/M output tokens

    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.

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    Sample code and API for MiMo-V2-Flash (free)

    OpenRouter normalizes requests and responses across providers for you.

    OpenRouter provides an OpenAI-compatible completion API to 400+ models & providers that you can call directly, or using the OpenAI SDK. Additionally, some third-party SDKs are available.

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    See the Request docs for all possible fields, and Parameters for explanations of specific sampling parameters.