Fauna is a modern operational database that can serve as the system of record for generative AI applications. Generative AI has emerged as a disruptive force across various industries, and building scalable and performant applications requires a modern operational database. Fauna's API delivery model, flexible data model, and powerful querying language make it an ideal choice for gen AI app builders. It can accommodate diverse data types, including metadata, context data, vector embeddings, conversation history, and other forms of data, while providing relations within the context of documents. This allows Fauna to serve as a transactional engine that drives additional value to a generative AI app and ultimately delivers a superior end-user experience. By leveraging Fauna's relational capabilities, developers can build scalable and performant applications with ease, reducing the reliance on brittle integration code or connection pooling, and offering a superior user experience.