FastChat vs GPT4Free
A side-by-side comparison of two self-hosted apps from related categories — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
FastChat
Platform for serving and evaluating large language models
VS
GPT4Free
Unified OpenAI-compatible API gateway for many models
| Feature | FastChat | GPT4Free |
|---|---|---|
| Category | Local LLM Runners | Self-Hosted AI |
| License | Apache-2.0 | GPL-3.0 |
| Language | Python | Python |
| Setup difficulty | Hard | Medium |
| Min. RAM | 8,192 MB | 512 MB |
| Deployment | docker, source | docker, source |
| GitHub stars | ★ 39,516 | ★ 66,529 |
| First released | 2023 | 2023 |
| Replaces | OpenAI API | OpenAI API |
Why pick each one
Choose FastChat if…
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Mature project with 39.5k GitHub stars
- Written in Python
Choose GPT4Free if…
- Released under the GPL-3.0 license
- First-class Docker support for quick deployment
- Mature project with 66.5k GitHub stars
- Written in Python
Frequently asked questions
Is FastChat or GPT4Free better?
GPT4Free is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider FastChat if its specific feature set fits your needs better.
Are FastChat and GPT4Free free and open-source?
Yes. FastChat is licensed under Apache-2.0 and GPT4Free under GPL-3.0. Both can be self-hosted at no software cost.
Can I run FastChat and GPT4Free with Docker?
FastChat: yes. GPT4Free: yes.