FastChat vs LiteLLM
A side-by-side comparison of two self-hosted local llm runners options — 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
LiteLLM
Unified proxy and gateway for 100+ LLM APIs
| Feature | FastChat | LiteLLM |
|---|---|---|
| Category | Local LLM Runners | Local LLM Runners |
| License | Apache-2.0 | MIT |
| Language | Python | Python |
| Setup difficulty | Hard | Medium |
| Min. RAM | 8,192 MB | 1,024 MB |
| Deployment | docker, source | docker, kubernetes, bare-metal |
| GitHub stars | ★ 39,516 | ★ 55,843 |
| First released | 2023 | 2023 |
| Replaces | OpenAI API | OpenRouter |
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 LiteLLM if…
- Released under the MIT license
- First-class Docker support for quick deployment
- Kubernetes-ready with Helm charts available
- Mature project with 55.8k GitHub stars
Frequently asked questions
Is FastChat or LiteLLM better?
LiteLLM 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 LiteLLM free and open-source?
Yes. FastChat is licensed under Apache-2.0 and LiteLLM under MIT. Both can be self-hosted at no software cost.
Can I run FastChat and LiteLLM with Docker?
FastChat: yes. LiteLLM: yes.