Dify AI is an open-source intelligent agent workflow platform designed to simplify the development, deployment, and operation of AI applications built on large language models, using visual and low-code approaches.
The platform helps users—especially developers and business professionals—quickly build and deploy AI-powered applications tailored to real-world scenarios by composing models, tools, and data, such as intelligent customer service, knowledge-base Q&A, and automated workflows.
The platform provides visual workflow orchestration and prompt editing interfaces, lowering the entry barrier. Non-technical users can build simple apps via drag-and-drop, while developers can leverage its APIs and advanced features for deeper customization.
Through a multi-model gateway, it supports connecting to and managing a range of mainstream commercial and open-source LLMs, including OpenAI, Claude, Llama, and Gemini.
It offers private deployment options so you can run the system on your own servers or cloud environment. Its architecture includes access control, encrypted transmission, and other enterprise-grade security features.
Dify AI offers an open-source community edition for free self-hosting, and also a cloud service version. For details on features and pricing, please refer to the official docs.
Its RAG engine processes uploaded documents (PDFs, Word), parses, chunks, and vectorizes them into a knowledge base. During Q&A, it retrieves relevant knowledge fragments and then uses the LLM to generate more precise answers.
For each created application, the platform automatically generates corresponding RESTful API endpoints, enabling developers to integrate AI capabilities into websites, mobile apps, or business systems.

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