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Logging · head to head

Checkly vs Graylog

Checkly logo

Checkly

Logging

Active reliability platform combining uptime monitoring, API testing, and incident response

From
Free
Rated
-
Full reviewWebsite
Graylog logo

Graylog

Logging

Log Aggregation and Analysis Platform

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Checkly free tier has limited check allocations per month; Graylog graylog Enterprise starts at $15,000 per year and Graylog Security at $18,000 per year, priced by daily volume or annual consumption
  • They diverge on capability: Checkly covers Uptime monitoring, Graylog covers Log aggregation.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Checkly and Graylog actually diverge.

Attributes where Checkly and Graylog differ
AttributeChecklyGraylog
Pricing modelsubscriptionopen-source
PlatformsWeb, CLI, APIWeb, Api
FoundedUnknown2011

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

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 Checkly

  • Uptime monitoring
  • Synthetic browser testing
  • API monitoring
  • Heartbeat monitoring
  • Monitoring-as-Code
  • Status pages
  • Root cause analysis
  • Global locations

Only in Graylog

  • Log aggregation
  • Full-text search
  • Parsing and extraction
  • Real-time analytics
  • API
  • Webhooks
  • REST
  • Web support

What people use each for

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

Checkly

  • Monitor API endpoints with custom assertionsnot Graylog
  • Test user journeys with browser automationnot Graylog
  • Detect performance degradation across regionsnot Graylog
  • Verify DNS and TCP connectivitynot Graylog
  • Ensure cron jobs and background tasks completenot Graylog

Graylog

  • Log aggregation and analysis for SecOps teamsnot Checkly
  • IT and DevOps monitoring and troubleshootingnot Checkly
  • Enterprise security event monitoringnot Checkly

Where each one falls short

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

Checkly

  • Free tier has limited check allocations per month
  • Overage charges can add up with high-volume workloads
  • Status pages require separate paid tier
  • Root cause analysis is separate billing component

Graylog

  • Graylog Enterprise starts at $15,000 per year and Graylog Security at $18,000 per year, priced by daily volume or annual consumption
  • Correlation engine, scheduled and custom reports, compliance reports and teams management are Enterprise-only
  • Data tiering across hot, warm and archive storage is an Enterprise feature, not available in Graylog Open
  • Graylog Open carries community support only; professional support requires a paid edition
  • UEBA anomaly detection, Sigma rules, MITRE ATT&CK alignment and SOAR automation are limited to Graylog Security

Pricing, plan by plan

Checkly

Free
  • HobbyFree
    • 10 uptime monitors
    • 1,000 browser checks monthly
    • 10,000 API checks monthly
  • Team$64/month
    • 75 uptime monitors
    • 12,000 browser checks monthly
    • 100,000 API checks monthly
  • Enterprise$undefined/custom
    • Custom monitor quantities
    • All 22 global locations
    • 1-second check frequency

Graylog

Free
  • FreeFree
    • Log aggregation
    • Full-text search
    • Parsing and extraction

Which should you pick?

Choose Checkly if

  • You need uptime monitoring.
  • You want to start without paying.
  • You work on Web, CLI, API.
  • You also want synthetic browser testing.
Checkly review

Choose Graylog if

  • You need log aggregation.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want full-text search.
Graylog review

Questions people ask

Is Checkly or Graylog better?
Neither clearly leads. Checkly starts at Free and Graylog at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Checkly or Graylog?
Checkly starts at Free and Graylog at Free.
Does Checkly or Graylog run on more platforms?
Checkly runs on Web, CLI, API. Graylog runs on Web, Api.
Can I use Checkly for free?
Both have a free tier, so you can try either at no cost before committing.
What is Checkly best used for?
Checkly is most often used for monitor api endpoints with custom assertions, test user journeys with browser automation, detect performance degradation across regions, verify dns and tcp connectivity. Of those, monitor api endpoints with custom assertions and test user journeys with browser automation are not what Graylog is typically brought in for.
What can Checkly do that Graylog cannot?
Checkly covers Uptime monitoring, Synthetic browser testing, API monitoring, Heartbeat monitoring. Graylog covers Log aggregation, Full-text search, Parsing and extraction, Real-time analytics.

Answered from the vendors’ own pages

Checkly: What is included in the free Checkly plan?

The free Hobby plan includes 10 uptime monitors, 1,000 monthly browser checks, 10,000 monthly API checks, 6 monitoring locations, and 2-minute minimum check frequency with email, Slack, and webhook alerts.

Source
Graylog: Does Graylog have a free version?

Yes. Graylog Open is a free, open-source option for collecting, storing, searching, and analyzing log data. However, it includes only community support.

Source
Checkly: Can I write monitoring checks in my preferred language?

Yes, Checkly uses TypeScript/JavaScript for monitoring-as-code, integrated with Playwright for browser testing and supporting REST API testing.

Source
Graylog: How much does Graylog Enterprise cost?

Graylog Enterprise pricing starts at $15,000/year based on daily log volume or annual data consumption. Exact pricing requires contacting sales.

Source
Checkly: How much does status page add to my bill?

Status pages cost between $0-$30/month depending on your plan tier, billed separately from core monitoring.

Source
Graylog: What is the difference between Graylog Enterprise and Security editions?

Graylog Security starts at $18,000/year and includes advanced threat detection capabilities beyond the Enterprise edition. Both include technical support.

Source
Checkly: What is the minimum check frequency?

The Hobby and Starter plans support 2-minute and 1-minute minimums respectively. The Team plan supports 30-second intervals, while Enterprise offers 1-second minimum frequency.

Source
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