OpenObserve vs Prometheus

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?
FeatureOpenObservePrometheus
CategoryDeveloper Tools & GitMonitoring & Status
LicenseAGPL-3.0Apache-2.0
LanguageTypeScriptGo
Setup difficultyMediumMedium
Min. RAM1,024 MB512 MB
Deploymentdocker, kubernetes, binarydocker, binary, helm
GitHub stars★ 20,592★ 65,616
First released20232015
ReplacesDatadog, ElasticsearchDatadog

Why pick each one

Choose OpenObserve if…

  • Released under the AGPL-3.0 license
  • First-class Docker support for quick deployment
  • Kubernetes-ready with Helm charts available
  • Mature project with 20.6k GitHub stars
OpenObserve details

Choose Prometheus if…

  • Powerful query language
  • Reliable and scalable
  • Huge ecosystem
Prometheus details

Frequently asked questions

Is OpenObserve or Prometheus better?

Neither is universally better. Prometheus has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.

Are OpenObserve and Prometheus free and open-source?

Yes. OpenObserve is licensed under AGPL-3.0 and Prometheus under Apache-2.0. Both can be self-hosted at no software cost.

Can I run OpenObserve and Prometheus with Docker?

OpenObserve: yes. Prometheus: yes.

Related comparisons