Checkmk vs Grafana Loki

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?
FeatureCheckmkGrafana Loki
CategoryMonitoring & StatusMonitoring & Status
LicenseGPL-2.0AGPL-3.0
LanguagePythonGo
Setup difficultyMediumMedium
Min. RAM1,024 MB512 MB
Deploymentdocker, bare-metaldocker, kubernetes, helm
GitHub stars★ 2,336★ 28,687
First released20092018
ReplacesNagios, DatadogSplunk, Datadog Logs

Why pick each one

Choose Checkmk if…

  • Strong auto-discovery
  • Scales well
  • Good defaults
Checkmk details

Choose Grafana Loki if…

  • Cheap to run compared to full-text indexers
  • Familiar Prometheus-style labels
Grafana Loki details

Frequently asked questions

Is Checkmk or Grafana Loki better?

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

Are Checkmk and Grafana Loki free and open-source?

Yes. Checkmk is licensed under GPL-2.0 and Grafana Loki under AGPL-3.0. Both can be self-hosted at no software cost.

Can I run Checkmk and Grafana Loki with Docker?

Checkmk: yes. Grafana Loki: yes.

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