ChatGPT UI vs Dify
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?
ChatGPT UI
A ChatGPT web client that supports multiple users, multiple languages,
VS
Dify
Open-source platform for building production LLM apps
| Feature | ChatGPT UI | Dify |
|---|---|---|
| Category | Self-Hosted AI | Self-Hosted AI |
| License | free | Apache-2.0 |
| Language | Vue | TypeScript |
| Setup difficulty | Easy | Medium |
| Min. RAM | 512 MB | 4,096 MB |
| Deployment | docker, one-click | docker, kubernetes, helm |
| GitHub stars | ★ 1,626 | ★ 151,746 |
| First released | 2023 | 2023 |
| Replaces | — | OpenAI Assistants, Vertex AI Agent Builder |
Why pick each one
Choose ChatGPT UI if…
- Easy to set up — beginner-friendly
- First-class Docker support for quick deployment
- One-click install on common self-host platforms
- Active community (1.6k GitHub stars)
Choose Dify if…
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Kubernetes-ready with Helm charts available
- Mature project with 151.7k GitHub stars
Frequently asked questions
Is ChatGPT UI or Dify better?
Neither is universally better. Dify has the larger community, while ChatGPT UI is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are ChatGPT UI and Dify free and open-source?
Yes. ChatGPT UI is licensed under free and Dify under Apache-2.0. Both can be self-hosted at no software cost.
Can I run ChatGPT UI and Dify with Docker?
ChatGPT UI: yes. Dify: yes.