What is Langflow?
Langflow is a low-code visual AI workflow builder. Drag-and-drop components to compose LLMs, vector stores, tools, and agents — export as Python code or an API.
In one sentence: Low-code visual AI workflow builder — drag-and-drop components to build RAG pipelines and agent workflows — 50k+ GitHub stars.
For: Teams prototyping RAG and AI workflows visually.
Core Features
1. Visual Flow Editor
Drag to connect LLMs, vector stores, tools, and other components.
2. Prebuilt Templates
Out-of-the-box RAG, multi-agent chat, data pipelines, and more.
3. API Export
Every workflow automatically becomes a REST API.
4. Custom Components
Write custom processing nodes in Python.
FAQ
Q: Is it free? A: Open source and free; DataStax offers a hosted cloud version.
Q: Do I need to know Python? A: Not for basic flows; custom components require it.