Get easy question-answering systems with FastGPT, a knowledge-based platform for founders, with 28k+ GitHub stars
28,807 stars7,191 forksTypeScriptQuality 8/10Updated 7/3/2026100% free ยท open source
What it does
FastGPT allows you to easily develop and deploy complex question-answering systems using its comprehensive suite of out-of-the-box capabilities such as data processing, RAG retrieval, and visual AI workflow orchestration
Install / run
git clone https://github.com/labring/FastGPT.git && cd FastGPT
When to use it
โขYou need to build a chatbot that can answer a wide range of user questions
โขYou want to automate customer support with a question-answering system
โขYou need to integrate a knowledge-based platform into your existing application
Quick start
1Run the command `npm install` to install the required dependencies
2Configure the `config.yaml` file to set up your knowledge base and AI workflow
3Use the `fastgpt train` command to train your model on your dataset
4Use the `fastgpt serve` command to start the FastGPT server and access the question-answering system
5Test your question-answering system using the `fastgpt test` command
Ready-to-paste prompt
Use the command `fastgpt ask -q 'What is the capital of France?'` to test the question-answering system
Heads up: Make sure you have the required Node.js version (14 or higher) and Python version (3.8 or higher) installed, as FastGPT relies on these to function properly
Saves to your device
Topics
agent
claude
deepseek
llm
mcp
nextjs
openai
qwen
rag
workflow
What's inside โ free to inspect
No purchase needed
Read the entire source before you build โ unlike paid marketplaces that hide it behind a buy button.