Dify

Dify is an open-source LLM application development platform that combines Backend-as-a-Service and LLMOps concepts so developers and non-technical innovators alike can quickly build production-grade generative AI applications. The platform provides a complete path from prototype to production and already serves more than 180,000 developers and 59,000 end users.

• Visual workflow development: Build and test AI workflows through a drag-and-drop interface, with support for complex nested workflows and an agent framework
• Broad model support: Seamlessly integrates hundreds of proprietary and open-source LLMs, including mainstream models such as GPT, Mistral, and Llama3, plus any OpenAI API-compatible model
• Intelligent RAG pipeline: End-to-end RAG capability from document ingestion to retrieval, with out-of-the-box text extraction for common formats such as PDF and PPT
• Prompt IDE: An intuitive prompt development environment with model performance comparison and extensions such as text to speech
• Enterprise-grade LLMOps: Complete operations capabilities including model management, observability, and logging

Dify serves a wide range of user groups: startups can rapidly prototype AI applications and secure funding; traditional enterprises can add LLM capabilities to existing apps through RESTful APIs; and large organizations use it as an internal LLM gateway to drive GenAI adoption. Built by former members of Tencent's CODING DevOps team, the platform carries deep experience in SaaS developer tooling.