big-AGI vs NextChat
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 | NextChat |
|---|---|---|
| Deploy effort | Under-an-hour setup | ≈5-minute setup |
| Health score | 91 · Excellent | 89 · Excellent |
| Category | AI Chat UIs | AI Chat UIs |
| License | MIT | MIT |
| Language | TypeScript | TypeScript |
| Setup difficulty | Easy | Easy |
| Min. RAM | 1,024 MB | 512 MB |
| Deployment | docker, bare-metal | docker, binary, one-click |
| GitHub stars | ★ 7,129 | ★ 88,805 |
| First released | 2023 | 2023 |
| Replaces | ChatGPT | ChatGPT |
What are big-AGI and NextChat?
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
NextChat
NextChat, formerly ChatGPT-Next-Web, is a lightweight and fast AI assistant supporting web, desktop, and mobile. It works with multiple model providers and can be deployed in seconds to platforms like Vercel or Docker.
- One-click deploy
- Cross-platform apps
- Prompt templates
- Multi-provider support
big-AGI vs NextChat: key differences
Both projects are written in TypeScript. NextChat is the lighter option, starting around 512 MB of RAM against 1,024 MB for big-AGI. NextChat has the considerably larger community, at 88,805 GitHub stars versus 7,129.
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 NextChat if…
- Very lightweight
- One-click Vercel deploy
- Desktop and mobile builds
Watch out for
- Provider API keys required
- Single-user focused
Frequently asked questions
Is big-AGI or NextChat better?
Neither is universally better. NextChat has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are big-AGI and NextChat free and open-source?
Yes. big-AGI is licensed under MIT and NextChat under MIT. Both can be self-hosted at no software cost.
Can I run big-AGI and NextChat with Docker?
big-AGI: yes. NextChat: yes.
Which is lighter on resources, big-AGI or NextChat?
NextChat 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.