Langflow vs OpenUI
A side-by-side comparison of two self-hosted self-hosted ai options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Langflow
Visual framework for building AI agents and RAG pipelines
VS
OpenUI
Describe UI with text and see it rendered live
| Feature | Langflow | OpenUI |
|---|---|---|
| Category | Self-Hosted AI | Self-Hosted AI |
| License | MIT | Apache-2.0 |
| Language | Python | TypeScript |
| Setup difficulty | Medium | Easy |
| Min. RAM | 2,048 MB | 1,024 MB |
| Deployment | docker, kubernetes, bare-metal | docker, bare-metal |
| GitHub stars | ★ 152,941 | ★ 22,496 |
| First released | 2023 | 2024 |
| Replaces | Vertex AI Agent Builder | Vercel v0 |
Why pick each one
Choose Langflow if…
- Released under the MIT license
- First-class Docker support for quick deployment
- Kubernetes-ready with Helm charts available
- Mature project with 152.9k GitHub stars
Choose OpenUI if…
- Released under the Apache-2.0 license
- Easy to set up — beginner-friendly
- First-class Docker support for quick deployment
- Mature project with 22.5k GitHub stars
Frequently asked questions
Is Langflow or OpenUI better?
Neither is universally better. Langflow has the larger community, while OpenUI is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are Langflow and OpenUI free and open-source?
Yes. Langflow is licensed under MIT and OpenUI under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Langflow and OpenUI with Docker?
Langflow: yes. OpenUI: yes.