The best open source alternative to FastGPT is MaxKB. If that doesn't suit you, we've compiled a ranked list of other open source FastGPT alternatives to help you find a suitable replacement.
FastGPT alternatives are mainly Enterprise Knowledge Search. Browse these if you want a narrower list of alternatives or looking for a specific functionality of FastGPT.
Open-source AI solution combining RAG pipelines, workflow automation, and multi-model support for intelligent enterprise knowledge management and customer service.

MaxKB delivers intelligent enterprise knowledge management through advanced AI capabilities. The system excels with its robust RAG (Retrieval-Augmented Generation) pipeline that processes documents through automatic crawling, text splitting, and vectorization to minimize AI hallucinations and improve response accuracy.
The platform stands out with its powerful workflow engine and MCP tool-use capabilities, enabling complex business process automation. Its model-agnostic architecture supports both private models (DeepSeek, Llama, Qwen) and public options (OpenAI, Claude, Gemini), offering flexibility in deployment.
Key advantages:
MaxKB's seamless integration capabilities and comprehensive feature set make it an ideal solution for organizations seeking to enhance their knowledge management and customer interaction systems.