与大模型API和MCP（上线问协议）交互的差异

graph TD
    subgraph MCP流程
        A[用户请求] --> B[MCP服务]
        B --> C{模型选择与调度}
        C --> D[模型实例1]
        C --> E[模型实例2]
        C --> F[模型实例N]
        D --> G[返回结果]
        E --> G
        F --> G
        G --> H[用户]
    end

    subgraph 调用大模型API流程
        I[用户请求] --> J[API Gateway]
        J --> K{固定模型}
        K --> L[大模型API]
        L --> M[返回结果]
        M --> N[用户]
    end

    style A fill:#f9f,stroke:#333,stroke-width:2px
    style I fill:#f9f,stroke:#333,stroke-width:2px
    style H fill:#bbf,stroke:#333,stroke-width:2px
    style N fill:#bbf,stroke:#333,stroke-width:2px