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Loki vs Prometheus

The same facts for both, read from GitHub every night, and the relation a person reviewed.

LokiPrometheus
LanguageGoGo
LicenceAGPL-3.0Apache-2.0
Stars29k66k
Latestv3.7.8v3.15.0
Last push2026-10-062026-10-06
Release cadenceabout 5 days between releasesabout 13 days between releases
Active contributors39+ commit authors on the default branch in the last 90 days74+ commit authors on the default branch in the last 90 days
Flagsnonenone

How they relate

  • Both replace Datadog. Alternatives to Datadog →

    PartialLokiCovers log management, usually paired with Grafana for dashboards and alerts.

    PartialPrometheusMetrics and alerting you run yourself; logs and traces need other tools.