Milvus WebUI is a built-in GUI introduced in Milvus v2.5 for system observability, offering immediate access to critical system metrics and management features. It stands out from other tools by providing comprehensive system visibility, turning the complex distributed architecture of Milvus into an intuitive interface. With no setup headaches, built for real-world needs, and everything in one place, WebUI simplifies oversight work that often eats into development time, allowing teams to catch issues before they become problems, optimize queries, manage collections, track tasks, identify bottlenecks, and detect slow requests. By providing real-time insights, WebUI enables better resource utilization, less operational hassle, and faster problem resolution.