FastGPT
A self-hostable platform for building knowledge-base question answering and AI workflows on top of LLMs.
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About FastGPT
FastGPT turns your documents into a knowledge base that large language models can answer questions from. It handles data processing and retrieval-augmented generation, and includes a visual editor for orchestrating AI workflows.
It is meant for teams that want to build and deploy question-answering systems without writing much code. The source is on GitHub with deployment files, and the project is very actively developed, with thousands of commits and a large community.
Strengths
- Knowledge-base Q&A with RAG retrieval
- Visual AI workflow editor
- Deployment files for self-hosting
- Very active development
Limitations
- Licence terms are not stated in the research
- Some features live in separate pro components
- Needs a server and model access to run
Details
- Pricing
- FreeFree to self-host; the repository also references separate pro components.
- License
- Proprietary
- Developer
- Labring
- Platforms
- Web, Self-hosted
- How it runs
- Self-hosted
- Best suited for
- Teams building document question-answering assistants on their own servers
- Categories
- AI research, AI agents, AI developer tools
- Last verified
- Added
- Sources
Alternatives to FastGPT
Compare allSoftware that can replace FastGPT for an important use case, and what changes if you switch.
MaxKB
An open-source, self-hosted platform for building knowledge-base question answering and AI agents.
MaxKB is an open-source, self-hosted platform combining RAG knowledge bases with agent building, though some of its material is primarily in Chinese.
RAGFlow
An open-source, self-hostable RAG engine with document ingestion, hybrid search and a visual agent builder.
RAGFlow is an open-source RAG engine with an ingestion pipeline for many formats, hybrid search with re-ranking and a visual agent builder with MCP support.
Kotaemon
An open-source, self-hosted RAG app for chatting with your documents using local or hosted models.
Kotaemon is an open-source, self-hosted RAG app for chatting with documents through a web interface, simpler in scope and without a visual workflow editor.
AnythingLLM
A desktop AI app that answers questions about your own documents, with no account and no API key needed.
AnythingLLM is an MIT-licensed desktop app bundling chat, vector database and document pipeline in one install, aimed at individuals rather than server deployments.
SurfSense
An open-source, self-hostable research agent and NotebookLM alternative that answers questions over your documents.
SurfSense is an open-source, self-hostable research agent that answers questions over your documents and connected sources, can run air-gapped and includes an MCP server.
LocalGPT
A self-hosted tool for asking questions about your own documents using local language models.
LocalGPT is an MIT-licensed tool for private document Q&A with hybrid search and Ollama models, but it has no packaged releases and is set up from source.
FastGPT as an alternative
Listings that name FastGPT as an alternative.
Dify
Self-hosted platform for building AI agent workflows and RAG pipelines.
FastGPT is a self-hostable knowledge-base Q&A platform with a visual workflow editor, though its licence terms are not stated and some features are in pro components.
Langflow
Visual builder for creating and deploying AI agent workflows.
FastGPT is a self-hostable platform with a visual workflow editor focused on knowledge-base Q&A, though its licence terms are not stated.
PrivateGPT
A self-hosted API layer for building private AI applications on top of local language models.
FastGPT offers knowledge-base question answering with a visual workflow editor on your own servers, though its licence terms are not stated and some features are pro components.
Similar software
Related functionality, not necessarily a direct replacement.
Khoj
Open-source AI second brain that researches across your documents and the web with any model.
Open Notebook
Self-hosted, open source alternative to Google's NotebookLM.
GPT Researcher
An open-source autonomous agent that researches the web and local documents and writes cited reports.
GPT4All
A local AI chat app with document chat built in, from Nomic AI. Stable, MIT licensed, but not updated since early 2025.
Local Deep Research
A self-hosted research assistant that runs multi-step searches with local or cloud language models.
