Langflow
AI AgentsAn open-source visual development tool for building AI agents and workflows with drag and drop.
What is Langflow?
Langflow is an open-source platform for building AI agents and RAG workflows through a drag-and-drop visual interface. It connects to major AI models (OpenAI, Anthropic, Google, etc.) and data sources, enabling non-engineers to intuitively build AI workflows. With multi-agent support, prompt testing, and chat functionality, it can be used via self-hosting or cloud. Enterprise adoption across departments has been rapidly expanding in 2026.
Pricing Plans
Key Features
Pros & Cons
Pros
- ●Free and open source
- ●No-code building with visual UI
- ●Multi-model and multi-agent support
Cons
- ●Self-hosting requires infrastructure knowledge
- ●Large-scale operations can be costly
- ●Limited Japanese documentation
Frequently Asked Questions
Q. Is Langflow free?
A. Yes, Langflow is completely free as open-source software. Self-hosting only incurs server costs. The cloud version is available from approximately $5-$20/month.
Q. Do I need programming knowledge?
A. Basic workflow building is possible with drag and drop. However, a basic understanding of Python is helpful for creating custom components or self-hosting.
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