Quick Answer
Last verified:
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Prometheus costs Free to Free per month as of November 2026 including a free tier. Plan: Open source (self-hosted) (free). Pricing depends on your chosen tier, contract length, and negotiated discounts.

Use the interactive pricing calculator to estimate your exact cost based on team size and requirements.

  • Free tier: Yes

Prometheus offers 1 pricing tiers: Open source (self-hosted). The Open source (self-hosted) plan is teams that run their own monitoring.

Last verified: | Sources: 5 pricing pages and reviews
Forever Free plan type

Yes, Prometheus offers a forever free plan as of November 2026. The free tier includes 2 features with limits on usage. Pricing verified from 5 sources by CostBench.

Forever Free

Prometheus's free plan is available indefinitely with no time limit.

What's Included in the Free Plan

  • Free, open-source monitoring system (Apache 2.0)
  • Download and run it yourself
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You'll Need to Upgrade When...

  • You exceed the user limit
  • You need features like advanced automation
  • You require premium support or SLA guarantees
  • You need to remove branding or watermarks
  • You need advanced integrations or API access

Hidden Restrictions on Free Plan

  • ! Prometheus branding may appear on your content or communications
  • ! Support is limited to community forums or email with longer response times
  • ! Export options may be restricted or include watermarks
  • ! API access is typically limited or not available
  • ! Advanced reporting and analytics require paid plans

Free vs Paid: Which Do You Need?

Free Plan is Enough If...

  • You're an individual or very small team
  • You need only basic features
  • You don't mind usage limits
  • Branding on output is acceptable
  • Community support is sufficient

Frequently Asked Questions

01 Is Prometheus free?

Yes, Prometheus offers a forever free plan with 2 core features included. However, there are limits on users and features that may require upgrading.

02 What's included in Prometheus's free plan?

Prometheus's free plan includes: Free, open-source monitoring system (Apache 2.0), Download and run it yourself. Key limits include basic usage caps.

03 What's NOT included in Prometheus's free plan?

The free plan excludes: advanced features, premium support, and higher limits. You'll also have Prometheus branding and limited support options.

04 When should I upgrade from Prometheus's free plan?

Consider upgrading when: you hit user or storage limits, need features like advanced automation, require premium support, or want to remove branding. The cheapest paid plan starts at $0/month.

05 Is Prometheus's free plan really free forever?

Yes, Prometheus's free plan is available indefinitely with no time limit. However, feature and usage limits may restrict what you can do without upgrading to a paid plan.

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