Prometheus vs Telegraf

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?
FeaturePrometheusTelegraf
CategoryMonitoring & StatusMonitoring & Status
LicenseApache-2.0MIT
LanguageGoGo
Setup difficultyMediumEasy
Min. RAM512 MB64 MB
Deploymentdocker, binary, helmdocker, kubernetes, binary
GitHub stars★ 65,616★ 17,736
First released20152015
ReplacesDatadogDatadog Agent

Why pick each one

Choose Prometheus if…

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

Choose Telegraf if…

  • Huge plugin catalog
  • Trivial to deploy
Telegraf details

Frequently asked questions

Is Prometheus or Telegraf better?

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

Are Prometheus and Telegraf free and open-source?

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

Can I run Prometheus and Telegraf with Docker?

Prometheus: yes. Telegraf: yes.

Related comparisons