big-AGI vs ChatBot UI
A side-by-side comparison of two self-hosted ai chat uis options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | big-AGI | ChatBot UI |
|---|---|---|
| Deploy effort | Under-an-hour setup | ≈5-minute setup |
| Health score | 91 · Excellent | 36 · At risk |
| Category | AI Chat UIs | AI Chat UIs |
| License | MIT | free |
| Language | TypeScript | TypeScript |
| Setup difficulty | Easy | Easy |
| Min. RAM | 1,024 MB | 512 MB |
| Deployment | docker, bare-metal | docker, one-click |
| GitHub stars | ★ 7,130 | ★ 33,348 |
| First released | 2023 | 2022 |
| Replaces | ChatGPT | ChatGPT |
What are big-AGI and ChatBot UI?
big-AGI
big-AGI is a feature-rich AI application supporting many models, personas, and advanced reasoning features like Beam multi-model exploration. It offers voice, image generation, and developer-oriented tooling.
- Beam multi-model answers
- AI personas
- Voice and vision
- Multi-provider support
ChatBot UI
⚠️ Removal Notice: ChatBot UI has been removed from the Umbrel App Store because the packaged version is no longer maintained and is not compatible with the current upstream app architecture. Existing installs will continue to work as normal. ChatBot UI is an advanced chatbot kit for OpenAI's chat models aiming to mimic ChatGPT's interface and functionality. Simply add your OpenAI API key and start chatting! This version of ChatBot UI supports both GPT-3.5 and GPT-4 models. Conversations are stored locally within your browser. You can export and import conversations to safeguard against data l.
- ChatGPT-style interface
- Multiple model providers
- Prompt library
- Conversation import and export
big-AGI vs ChatBot UI: key differences
Both projects are written in TypeScript. Licensing differs — MIT for big-AGI versus free for ChatBot UI. ChatBot UI is the lighter option, starting around 512 MB of RAM against 1,024 MB for big-AGI. ChatBot UI has the considerably larger community, at 33,348 GitHub stars versus 7,130.
Why pick each one
Choose big-AGI if…
- Released under the MIT license
- Easy to set up — beginner-friendly
- First-class Docker support for quick deployment
- Mature project with 7.1k GitHub stars
Choose ChatBot UI if…
- Familiar ChatGPT-style interface
- Easy Docker deployment
- Conversation import and export
Watch out for
- No longer actively maintained
- OpenAI API key required
Frequently asked questions
Is big-AGI or ChatBot UI better?
Neither is universally better. ChatBot UI has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are big-AGI and ChatBot UI free and open-source?
Yes. big-AGI is licensed under MIT and ChatBot UI under free. Both can be self-hosted at no software cost.
Can I run big-AGI and ChatBot UI with Docker?
big-AGI: yes. ChatBot UI: yes.
Which is lighter on resources, big-AGI or ChatBot UI?
ChatBot UI has the smaller minimum footprint at 512 MB of RAM, compared to about 1,024 MB for big-AGI. Real-world usage depends on library size, user count, and enabled features.