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FireHydrant vs Prometheus

FireHydrant logo

FireHydrant

Logging

All-in-one incident management for alerting, on-call, and response

From
Free
Rated
-
Full reviewWebsite
Prometheus logo

Prometheus

Networking

Open source monitoring and alerting toolkit for cloud native environments

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: FireHydrant free tier has limited functionality with only 2 runbooks; Prometheus not suitable for per-request billing as collected data lacks 100% accuracy
  • They diverge on capability: FireHydrant covers Automated runbooks, Prometheus covers Multi-dimensional Data Model.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which FireHydrant and Prometheus actually diverge.

Attributes where FireHydrant and Prometheus differ
AttributeFireHydrantPrometheus
Pricing modelsubscriptionopen-source
PlatformsWeb, Slack, Microsoft Teams, MobileLinux, macOS, Windows
CategoryLoggingNetworking
Founded20182015

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in FireHydrant

  • Automated runbooks
  • On-call management
  • Service catalog
  • Incident response collaboration
  • AI incident insights
  • Status pages
  • AI retrospectives

Only in Prometheus

  • Multi-dimensional Data Model
  • PromQL Query Language
  • Pull-based Collection
  • Service Discovery
  • Alerting Rules
  • Federation
  • Local Storage
  • Grafana

What people use each for

The jobs each tool is most often brought in to do.

FireHydrant

  • Manage incidents directly from Slack or Teamsnot Prometheus
  • Automate incident response with runbooksnot Prometheus
  • Triage incidents and track ownershipnot Prometheus
  • Run post-incident retrospectivesnot Prometheus
  • Communicate incidents to customers automaticallynot Prometheus

Prometheus

  • Monitoring and alerting systemnot FireHydrant
  • Time-series databasenot FireHydrant
  • Infrastructure metrics collectionnot FireHydrant

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

FireHydrant

  • Free tier has limited functionality with only 2 runbooks
  • Pro plan billing is annual-only (no monthly option)
  • AI features concentrated in Enterprise tier
  • Pricing per responder can increase with team size

Prometheus

  • Not suitable for per-request billing as collected data lacks 100% accuracy
  • Hard limit on scrape body size; large responses cause scrape failure
  • Per-scrape sample limit enforced; exceeding limit marks targets as failed
  • Not designed for long-term durable storage; optimised for metrics collection

Pricing, plan by plan

FireHydrant

Free
  • FreeFree
    • Up to 10 responders
    • 2 runbooks
    • Slack and Teams chatbot
  • Pro$25/responder-month
    • 5 runbooks
    • Slack and Teams chatbot
    • 1 retrospective template
  • Enterprise$undefined/custom
    • Everything in Pro plus
    • Viewer licenses
    • Unlimited runbooks

Prometheus

Free
  • Prometheus (Open Source)Free
    • 100% open source
    • Community-driven project
    • Apache 2 License

Which should you pick?

Choose FireHydrant if

  • You need automated runbooks.
  • You want to start without paying.
  • You work on Web, Slack, Microsoft Teams, Mobile.
  • You also want on-call management.
FireHydrant review

Choose Prometheus if

  • You need multi-dimensional data model.
  • You want to start without paying.
  • You work on Linux, macOS, Windows.
  • You also want promql query language.
Prometheus review

Questions people ask

Is FireHydrant or Prometheus better?
Neither clearly leads. FireHydrant starts at Free and Prometheus at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, FireHydrant or Prometheus?
FireHydrant starts at Free and Prometheus at Free.
Does FireHydrant or Prometheus run on more platforms?
FireHydrant runs on Web, Slack, Microsoft Teams, Mobile. Prometheus runs on Linux, macOS, Windows.
Can I use FireHydrant for free?
Both have a free tier, so you can try either at no cost before committing.
What is FireHydrant best used for?
FireHydrant is most often used for manage incidents directly from slack or teams, automate incident response with runbooks, triage incidents and track ownership, run post-incident retrospectives. Of those, manage incidents directly from slack or teams and automate incident response with runbooks are not what Prometheus is typically brought in for.
What can FireHydrant do that Prometheus cannot?
FireHydrant covers Automated runbooks, On-call management, Service catalog, Incident response collaboration. Prometheus covers Multi-dimensional Data Model, PromQL Query Language, Pull-based Collection, Service Discovery.

Answered from the vendors’ own pages

FireHydrant: What is included in the free FireHydrant plan?

The free plan supports up to 10 responders, includes 2 runbooks, Slack and Teams chatbot, 1 public status page, and basic integrations (3).

Source
Prometheus: What does Prometheus cost?

Prometheus is completely free and open source. There are no pricing tiers or paid plans. The entire project is licensed under Apache 2 and hosted on GitHub.

Source
FireHydrant: How much does FireHydrant Pro cost?

FireHydrant Pro costs $25 per responder per month, billed annually. This includes 5 runbooks, unlimited status pages, and all core incident management features.

Source
Prometheus: Is Prometheus commercial software or free?

Prometheus is 100% open source and community-driven. It is a CNCF graduated project with no commercial restrictions or licensing fees.

Source
FireHydrant: Can I pay monthly for FireHydrant Pro?

No, the Pro plan requires annual billing to get the $25/responder/month rate. Contact sales for enterprise monthly billing options.

Source
Prometheus: How is Prometheus licensed?

Prometheus is licensed under the Apache 2 License, which permits free use, modification, and distribution for commercial and non-commercial purposes.

Source
FireHydrant: What AI features does FireHydrant offer?

FireHydrant AI is available in Enterprise plan and includes automated incident summaries, status page updates, live video transcription from Zoom and Google Meet, and triage assistance.

Source
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