Langflow vs Transformer Lab
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
Transformer Lab
Workspace for training and evaluating local LLMs
| Feature | Langflow | Transformer Lab |
|---|---|---|
| Category | Self-Hosted AI | Self-Hosted AI |
| License | MIT | AGPL-3.0 |
| Language | Python | Python |
| Setup difficulty | Medium | Medium |
| Min. RAM | 2,048 MB | 8,192 MB |
| Deployment | docker, kubernetes, bare-metal | binary, source |
| GitHub stars | ★ 152,941 | ★ 5,170 |
| First released | 2023 | 2024 |
| Replaces | Vertex AI Agent Builder | OpenAI Playground |
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 Transformer Lab if…
- Released under the AGPL-3.0 license
- Mature project with 5.2k GitHub stars
- Written in Python
Frequently asked questions
Is Langflow or Transformer Lab better?
Neither is universally better. Langflow has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Langflow and Transformer Lab free and open-source?
Yes. Langflow is licensed under MIT and Transformer Lab under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Langflow and Transformer Lab with Docker?
Langflow: yes. Transformer Lab: check the project docs for container support.