LangFlow
LangFlow is a Python-based open-source framework for visually designing and testing AI agents and RAG workflows.
Free + paidWebDesktopPython LibraryOpen sourceLLM-basedMultimodal
Visit websitelangflow.org
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LangFlow is a Python-based open-source framework for visually designing and testing AI agents and RAG workflows. Now part of the IBM/DataStax ecosystem, it offers deep integration with Astra DB and watsonx, supporting complex multi-agent systems and MCP servers. It allows developers to export visual flows as Python code or deploy them as APIs, providing high flexibility for Python-centric teams.
Key features
- Python-based custom components
- Visual drag-and-drop interface
- Multi-agent support
- MCP server deployment
- Astra DB integration
- Real-time playground
Pricing
Use cases
- Complex RAG Pipeline Design
- Multi-agent Collaboration Systems
- AI-based Data Processing Automation
- Rapid Prototyping
Who it is for
Python DevelopersAI EngineersEnterprise Dev Teams
Integrations
LangChainAstra DBOpenAIHugging FacePinecone
Tags
RAG
How we verified this
Company, pricing, and feature details come from the primary sources below and our latest verification pass. When sources disagree, the official source and the most recent check win.
Last verified 08/30/2026Verified sources: 2
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