OpenLLM vs Petals
A side-by-side comparison of two self-hosted local llm runners options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | OpenLLM | Petals |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 81 · Excellent | 24 · At risk |
| Category | Local LLM Runners | Local LLM Runners |
| License | Apache-2.0 | MIT |
| Language | Python | Python |
| Setup difficulty | Medium | Hard |
| Min. RAM | 8,192 MB | 8,192 MB |
| Deployment | docker, kubernetes, bare-metal | source, docker |
| GitHub stars | ★ 12,547 | ★ 10,585 |
| First released | 2023 | 2022 |
| Replaces | OpenAI API | OpenAI API |
What are OpenLLM and Petals?
OpenLLM
OpenLLM lets developers run open-source large language models as OpenAI-compatible API endpoints with a single command. It is built on BentoML and supports streaming, quantization, and easy deployment.
- One-command model serving
- OpenAI-compatible API
- Built-in chat UI
- Cloud deployment via BentoML
Petals
Petals lets you run and fine-tune large language models in a distributed, BitTorrent-style network where each participant hosts part of the model. It enables self-hosting models too large for a single machine.
- Distributed model hosting
- Run models larger than one GPU
- Collaborative inference swarm
- Fine-tuning support
OpenLLM vs Petals: key differences
Both projects are written in Python. Licensing differs — Apache-2.0 for OpenLLM versus MIT for Petals.
Why pick each one
Choose OpenLLM if…
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Kubernetes-ready with Helm charts available
- Mature project with 12.5k GitHub stars
Choose Petals if…
- Released under the MIT license
- First-class Docker support for quick deployment
- Mature project with 10.6k GitHub stars
- Written in Python
Frequently asked questions
Is OpenLLM or Petals better?
OpenLLM is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider Petals if its specific feature set fits your needs better.
Are OpenLLM and Petals free and open-source?
Yes. OpenLLM is licensed under Apache-2.0 and Petals under MIT. Both can be self-hosted at no software cost.
Can I run OpenLLM and Petals with Docker?
OpenLLM: yes. Petals: yes.