| Website | langflow.org |
| Category | AI / LLM Builder |
| License | MIT (open source) |
| Pricing | Free (open source), DataStax Cloud available |
Overview
Langflow is a visual builder for LangChain and multi-agent AI applications. Drag-and-drop components, API export, deploy anywhere.
Pros
- MIT license
- Visual drag-and-drop builder
- LangChain ecosystem
- API export
- Multi-agent support
- Self-hosted
Cons
- Complex flows hard to debug
- Performance overhead
- DataStax acquisition changes direction
- UI can be slow
- Limited testing tools
Verdict
Langflow makes LangChain visual. Build LLM applications by connecting components — models, prompts, tools, retrievers — in a drag-and-drop interface. The exported API means your visual prototype becomes a deployable service. For teams evaluating LangChain patterns or building proof-of-concepts, Langflow accelerates the path from idea to working prototype.