Dify is an easy-to-use LLMOps platform that allows teams to develop AI applications based on models such as GPT-4 and operate them visually. It enables users to create AI-powered apps in minutes, use documents/webpages/Notion content as the context for AI, and bring rich tool capabilities to applications with plugins. It also provides APIs for integration, two types of applications (dialogue and text generation), and continuous improvement and operation features.