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Loki

by Grafana Labs

Like Prometheus, but for logs.

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Reviewed by the Softwares.com Editorial Team · Last updated June 2026 · How we rate

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Key facts

Vendor
Grafana Labs
Pricing
Open source — Free
Free tier
Yes
Platforms
Self Hosted
Best for
Devops Teams
Editor rating
4.5 / 5
Founded
2018
Headquarters
Open source

What is Loki?

Loki is a monitoring tool from Grafana Labs. Loki is a horizontally scalable, open-source log aggregation system.

Loki uses open source pricing and offers a free tier you can start on without a credit card. Free.

It's best suited to devops-teams and runs on Self Hosted.

Standout strengths include cost-efficient logs, grafana-native, open source. Worth weighing: setup effort.

Loki pricing

Free
Free
Get Free

Pros

  • Cost-efficient logs
  • Grafana-native
  • Open source

Cons

  • Setup effort

Loki vs alternatives

See all Loki alternatives →

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Frequently asked questions

What is Loki?

Loki is a horizontally scalable, open-source log aggregation system.

How much does Loki cost?

Loki is open-source-priced. It has a free tier.

Does Loki have a free trial?

Loki offers a free tier rather than a time-limited trial.

What platforms does Loki support?

Loki is available on Self Hosted.