Langflow

Open-source visual framework for building agentic AI applications

PricingOpen source / self-hosted
Starting price$0 software
Free planYes
Best forDevelopers building visual agent and RAG workflows who want open-source control
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About Langflow

Langflow is an open-source visual framework for composing AI agents, RAG pipelines and model/tool integrations. Developers can run it locally or deploy it to infrastructure of their choice, making it useful for prototyping and production workflows where source-level control matters.

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Pros

  • Open-source core
  • Visual component-based workflow
  • Strong developer extensibility

Cons

  • Infrastructure and model costs are separate
  • Production deployment requires technical ownership