Grafana k6 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?
FeatureGrafana k6Prometheus
CategoryMonitoring & StatusMonitoring & Status
LicenseAGPL-3.0Apache-2.0
LanguageGoGo
Setup difficultyMediumMedium
Min. RAM256 MB512 MB
Deploymentdocker, binary, bare-metaldocker, binary, helm
GitHub stars★ 31,211★ 65,616
First released20172015
ReplacesLoadRunner, BlazeMeterDatadog

Why pick each one

Choose Grafana k6 if…

  • Developer-friendly scripting
  • Great CI integration
Grafana k6 details

Choose Prometheus if…

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

Frequently asked questions

Is Grafana k6 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 Grafana k6 and Prometheus free and open-source?

Yes. Grafana k6 is licensed under AGPL-3.0 and Prometheus under Apache-2.0. Both can be self-hosted at no software cost.

Can I run Grafana k6 and Prometheus with Docker?

Grafana k6: yes. Prometheus: yes.

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