Langflow
Open Sourceby DataStax
★ 4.5 (167 reviews)
Langflow is a free, open-source visual framework for building AI agents and multi-agent flows in Python.
Try Langflow free
Self-hosting is free. A hosted option is available.
We may earn a commission from this link, at no extra cost to you. Disclosure.
Last reviewed
Best for
Python developers who want a visual canvas that doesn't hide the underlying code.
What is Langflow?
Langflow is an open-source, Python-powered visual builder for agents and LLM workflows. It exposes a drag-and-drop canvas backed by real Python components, so you can prototype visually and drop to code when you need to. Self-hosting is free.
Key features
- ▹Visual + code hybrid
- ▹Multi-agent support
- ▹Custom Python components
- ▹API export
- ▹Self-hostable
Pros
- +Code-first under the hood
- +Good for developers
- +Active community
- +Free self-host
Cons
- −Less polished for non-developers
- −Fast-moving API
Langflow pricing
Free tier: Self-hosting is free. A hosted option is available.
Open Source
Free
- ▹All components
- ▹Self-host
How to get started with Langflow
- 1 Run `pip install langflow` then `langflow run`
- 2 Open the canvas
- 3 Drag agent + tool components
- 4 Export as an API
Try Langflow free
Self-hosting is free. A hosted option is available.
We may earn a commission from this link, at no extra cost to you. Disclosure.
Langflow FAQ
Is Langflow free?
Yes. Langflow is open-source and free to self-host. You only pay for any model API usage and optional managed hosting.
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