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    Step 3.7 Flash

    Chat

    Step-3.7-Flash

    Request a dedicated endpoint

    Step 3.7 Flash on FlexAI: StepFun LLM (Multimodal), Apache 2.0 license, available as a dedicated endpoint on FlexAI or your own infrastructure.

    Pricing

    Input

    $0.2 / M tokens

    Output

    $1.15 / M tokens

    Cached input

    $0.03 / M tokens

    Context

    256K tokens

    API endpoint

    /v1/chat/completions

    Compatibility

    OpenAI

    Parameters

    201B MoE

    License

    Apache 2.0

    Hardware

    2× H100

    Quantization

    NVFP4

    Step 3.7 Flash runs as a dedicated endpoint, provisioned per customer on FlexAI's infrastructure or your own, not served through the shared Token Factory API.