SHSelfHostIndex

One API vs vLLM

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?
ON One API Unified OpenAI-compatible gateway for many LLM providers VS VL vLLM High-throughput LLM serving engine with PagedAttention
FeatureOne APIvLLM
CategoryLocal LLM RunnersLocal LLM Runners
LicenseMITApache-2.0
LanguageJavaScriptPython
Setup difficultyMediumHard
Min. RAM256 MB16,384 MB
Deploymentdocker, binarydocker, kubernetes, bare-metal
GitHub stars★ 36,253★ 88,482
First released20232023
ReplacesOpenAI API, OpenRouterOpenAI API

Why pick each one

Choose One API if…

  • Released under the MIT license
  • First-class Docker support for quick deployment
  • Mature project with 36.3k GitHub stars
  • Written in JavaScript
One API details

Choose vLLM if…

  • Released under the Apache-2.0 license
  • First-class Docker support for quick deployment
  • Kubernetes-ready with Helm charts available
  • Mature project with 88.5k GitHub stars
vLLM details

Frequently asked questions

Is One API or vLLM better?

Neither is universally better. vLLM has the larger community, while One API is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.

Are One API and vLLM free and open-source?

Yes. One API is licensed under MIT and vLLM under Apache-2.0. Both can be self-hosted at no software cost.

Can I run One API and vLLM with Docker?

One API: yes. vLLM: yes.

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