Prometheus Pricing

open sourceopen source · Apache 2.0official site ↗

At a glance

Free and open source (Apache 2.0). No commercial version.

Self-hosting cost

Prometheus is open source under the Apache 2.0 license — the software itself costs nothing to run. Your real cost is the infrastructure you run it on plus the time to operate it.

Free & cheaper AI Monitoring & Observability

same category, free plan or open-source license

Grafanaopen sourceSelf-hosted free under AGPL v3. Grafana Cloud free tier available. Cloud Pro from $19/mo + usage. Enterprise from a $25,000/year spend commit.DatadogFree tier (5 hosts), Pro from $15/host/mo, Enterprise from $23/host/mo.PostHogopen sourceFree plan with monthly product limits and 1-year retention; paid pay-as-you-go has $0 base, no per-seat charges, free tiers on every product, 1M product analytics events free and 5K session recordings free.Arize Phoenixopen sourceFree open-source / Arize Cloud for production

Prometheus overview →alternatives →review: 85/100 →

FAQ

How much does Prometheus cost?

Free and open source (Apache 2.0). No commercial version.

Does Prometheus have a free plan?

Yes — Prometheus is open source and free to use.

Can you self-host Prometheus for free?

Prometheus is open source under the Apache 2.0 license — the software itself is free to run; you only pay for your own infrastructure.

What are free or cheaper Prometheus alternatives?

Grafana, Datadog, PostHog are in the same category with a free plan or open-source license.

pricing is hand-verified editorial data — vendors change plans; confirm on the official site before you buy. Reuse this data under CC-BY 4.0 via /data.