AIChat vs LocalGPT
A side-by-side comparison of two self-hosted self-hosted ai options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | AIChat | LocalGPT |
|---|---|---|
| Deploy effort | Read-the-docs project | Under-an-hour setup |
| Health score | 65 · Good | 95 · Excellent |
| Category | Self-Hosted AI | Self-Hosted AI |
| License | MIT | Apache-2.0 |
| Language | Rust | Python |
| Setup difficulty | Easy | Medium |
| Min. RAM | 256 MB | 8,192 MB |
| Deployment | binary, source | source, docker |
| GitHub stars | ★ 10,462 | ★ 22,198 |
| First released | 2023 | 2023 |
| Replaces | ChatGPT | ChatGPT |
What are AIChat and LocalGPT?
AIChat
AIChat is a command-line tool for interacting with large language models that includes a shell assistant, chat REPL, and a built-in API server. It works with many providers and can serve locally hosted models.
- Shell assistant mode
- Chat REPL interface
- Built-in API server
- RAG and function calling
LocalGPT
LocalGPT lets you ask questions about your own documents using local language models, with no data leaving your machine. It builds a private retrieval-augmented chat over PDFs and text files.
- Fully offline document chat
- Local embedding models
- Supports many file types
- No data collection
AIChat vs LocalGPT: key differences
AIChat is written in Rust, while LocalGPT is built with Python. Licensing differs — MIT for AIChat versus Apache-2.0 for LocalGPT. AIChat is the lighter option, starting around 256 MB of RAM against 8,192 MB for LocalGPT. LocalGPT has the considerably larger community, at 22,198 GitHub stars versus 10,462. LocalGPT lists first-class Docker deployment; AIChat does not.
Why pick each one
Choose AIChat if…
- Released under the MIT license
- Easy to set up — beginner-friendly
- Mature project with 10.5k GitHub stars
- Written in Rust
Choose LocalGPT if…
- Fully offline document chat
- No data leaves machine
- Multiple model backends
Watch out for
- Strong hardware needed
- Single-user focus
Frequently asked questions
Is AIChat or LocalGPT better?
Neither is universally better. LocalGPT has the larger community, while AIChat is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are AIChat and LocalGPT free and open-source?
Yes. AIChat is licensed under MIT and LocalGPT under Apache-2.0. Both can be self-hosted at no software cost.
Can I run AIChat and LocalGPT with Docker?
AIChat: check the project docs for container support. LocalGPT: yes.
Which is lighter on resources, AIChat or LocalGPT?
AIChat has the smaller minimum footprint at 256 MB of RAM, compared to about 8,192 MB for LocalGPT. Real-world usage depends on library size, user count, and enabled features.