FastGPT

About

Open-source AI knowledge base platform. Build custom chatbots trained on your documents with RAG.

• RAG engine with vector search for accurate document retrieval
• Drag-and-drop workflow builder for conversation logic
• Support for PDF, DOCX, MD, and other common document formats
• Multi-LLM backend support (OpenAI, Claude, local models)
• Embedding APIs and web widget for external integrations