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What is Flowise?
Flowise is an open-source, low-code tool for visually building LLM chains and agents by dragging and connecting nodes, aimed at people who want LangChain-style capability without writing the underlying code by hand.
Key features
- Drag-and-drop canvas for building LLM chains and agents
- Pre-built nodes for common patterns like RAG and tool-calling
- Self-hostable, or available as a managed cloud service
- API and embeddable chat widget generated from any flow
- Marketplace of ready-made flow templates
How to get started
- Self-host Flowise via Docker, or sign up for Flowise Cloud
- Start a new flow and drag in the nodes you need
- Connect nodes to define how data and prompts move through the chain
- Deploy as an API endpoint or embeddable chat widget
Use cases
- Building a RAG chatbot without writing LangChain code directly
- Prototyping agent workflows visually before a custom build
- Teams wanting a self-hosted, low-code AI app builder
- Embedding a custom chat widget into an existing website
Flowise vs. alternatives
| Tool | How it compares |
|---|---|
| Flowise | Drag-and-drop builder for LLM agents and chains. |
| Dify | more complete app-building platform overall |
| LangGraph | code-based control instead of visual flows |
FAQ
Is Flowise free to use?
Flowise's plans: Free, open-source; paid Flowise Cloud. Pricing and free-tier limits change over time, so check the official site above for the latest details.
What is Flowise used for?
Drag-and-drop builder for LLM agents and chains.
Who is Flowise best for?
Flowise is a good fit for building a RAG chatbot without writing LangChain code directly, or prototyping agent workflows visually before a custom build.
What are the alternatives to Flowise?
Commonly compared alternatives include Dify and LangGraph, see the comparison above for how they differ.
Related tools
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LLast reviewed: 2026-08 · Reviewed by AIKetra editors · How we evaluate tools