Node Exporter vs Prometheus

A side-by-side comparison of two self-hosted monitoring & status options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureNode ExporterPrometheus
CategoryMonitoring & StatusMonitoring & Status
LicenseApache-2.0Apache-2.0
LanguageGoGo
Setup difficultyEasyMedium
Min. RAM32 MB512 MB
Deploymentdocker, kubernetes, binarydocker, binary, helm
GitHub stars★ 13,680★ 65,616
First released20152015
ReplacesDatadog AgentDatadog

Why pick each one

Choose Node Exporter if…

  • Essential for host monitoring
  • Extremely reliable
Node Exporter details

Choose Prometheus if…

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

Frequently asked questions

Is Node Exporter or Prometheus better?

Neither is universally better. Prometheus has the larger community, while Node Exporter is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.

Are Node Exporter and Prometheus free and open-source?

Yes. Node Exporter is licensed under Apache-2.0 and Prometheus under Apache-2.0. Both can be self-hosted at no software cost.

Can I run Node Exporter and Prometheus with Docker?

Node Exporter: yes. Prometheus: yes.

Related comparisons