Flowise review

Drag-and-drop LangChain builder

4.6
Open Source users
Open Source
67
ToolHund Score
Solid
Verified

Our verdict

Flowise is an open-source UI to build LangChain and LlamaIndex flows visually and deploy them as APIs or chat widgets.

ToolHund Score: 67/100 · Best for: Prototyping LLM chains and agents visually on top of LangChain.

Strengths
  • Open source
  • Self-hostable
  • Developer control
Weaknesses
  • Requires setup
  • Can be complex for beginners
  • Needs careful permissions

Pricing

Open source · Cloud from $35/mo
Strong for technical teams — no license fees, you pay for infra and model usage

Features

  • Visual flow builder
  • LangChain/LlamaIndex
  • Chat widget
  • Self-host

Top alternatives