Dify is an open-source development platform designed to streamline the creation and management of AI applications utilizing large language models (LLMs). It integrates Backend-as-a-Service (BaaS) and LLMOps capabilities, offering tools for visual prompt orchestration, long-context integration, data annotation, and API-based development. Dify supports a variety of LLMs, including GPT, Mistral, and Llama, and facilitates rapid prototyping to production, making it accessible for both technical and non-technical users to define, deploy, and improve AI applications efficiently.