AppFolio has launched Realm-X Assistant, an AI-powered tool designed to enhance the efficiency of property managers by providing real-time assistance through a conversational interface. The assistant leverages generative AI and is built using LangChain for interoperability, later transitioning to LangGraph to simplify response aggregation and reduce latency. LangGraph's capability of running parallel code branches allows Realm-X to offer related suggestions with minimal delay. To monitor and improve performance, AppFolio employs LangSmith, which aids in debugging, tracking user interactions, and optimizing prompts for precise outputs. This approach has significantly improved Realm-X's performance, particularly in text-to-data functionality, and has enabled AppFolio to maintain high performance as they expand the features and data models available to users. The company prioritizes user feedback and rigorous testing, employing LLM evaluations to ensure the system's accuracy and reliability. Looking forward, AppFolio aims to further enhance Realm-X's performance and reliability through innovations in state management and self-validation loops, continuing to empower property managers with efficient and actionable insights.