Langflow is a low-code app builder for RAG and multi-agent AI applications. It’s Python-based and agnostic to any model, API, or database.

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Core features

1. Python-based and agnostic to models, APIs, data sources, or databases.
2. Visual IDE for drag-and-drop building and testing of workflows.
3. Playground to immediately test and iterate workflows with step-by-step control.
4. Multi-agent orchestration and conversation management and retrieval.
5. Free cloud service to get started in minutes with no setup.
6. Publish as an API or export as a Python application.
7. Observability with LangSmith, LangFuse, or LangWatch integration.
8. Enterprise-grade security and scalability with free DataStax Langflow cloud service.
9. Customize workflows or create flows entirely just using Python.
10. Ecosystem integrations as reusable components for any model, API or database.

Quickstart

• Install with uv (recommended) (Python 3.10 to 3.12):

uv pip install langflow

• Install with pip (Python 3.10 to 3.12):

pip install langflow

• Cloud: DataStax Langflow is a hosted environment with zero setup. Sign up for a free account.
• Self-managed: Run Langflow in your environment. Install Langflow to run a local Langflow server, and then use the Quickstart guide to create and execute a flow.
• Hugging Face: Clone the space using this link to create a Langflow workspace.

Stay up-to-date

Star Langflow on GitHub to be instantly notified of new releases.

Contribute

We welcome contributions from developers of all levels. If you’d like to contribute, please check our contributing guidelines and help make Langflow more accessible.

Contributors