Softwr

Logging · head to head

Graylog vs Logz.io

Graylog logo

Graylog

Logging

Log Aggregation and Analysis Platform

From
Free
Rated
-
Full reviewWebsite
Logz.io logo

Logz.io

Logging

AI-Powered Log Analytics and Monitoring Platform

From
$99/month
Rated
-
Full reviewWebsite

The short version

  • Only Graylog has a free tier, so it costs nothing to try first.
  • Each has a real cost: Graylog graylog Enterprise starts at $15,000 per year and Graylog Security at $18,000 per year, priced by daily volume or annual consumption; Logz.io saaS-only with no self-hosting option
  • They diverge on capability: Graylog covers Full-text search, Logz.io covers AI-powered insights.
  • Prices and features above were last checked on 2 September 2026.

Where they differ

Only the attributes on which Graylog and Logz.io actually diverge.

Attributes where Graylog and Logz.io differ
AttributeGraylogLogz.io
Starting priceFree$99/month
Pricing modelopen-sourceUnknown
Free tierYesNo
PlatformsWeb, ApiCloud (SaaS), Web
Founded20112014

Identical on both: 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 Graylog

  • Full-text search
  • Parsing and extraction
  • Real-time analytics

Only in Logz.io

  • AI-powered insights
  • Elasticsearch integration
  • Alert management
  • Security analytics

Both cover

  • Log aggregation
  • API
  • Webhooks
  • REST
  • Web support
  • Api support

What people use each for

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

Graylog

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

Logz.io

  • Log monitoringnot Graylog
  • Application performancenot Graylog
  • Security analyticsnot Graylog
  • Troubleshootingnot Graylog

Where each one falls short

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

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

Logz.io

  • SaaS-only with no self-hosting option
  • High pricing for long data retention periods, with steep cost increases for larger data volumes
  • UI can take up to 10 seconds to load
  • Geo-location data is old and inaccurate
  • Expensive for smaller companies with limited log volumes
  • Data retention limitations at 14 days may not meet compliance requirements

Pricing, plan by plan

Graylog

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

Logz.io

$99/month
  • Pro$99/month
    • Log management
    • Real-time search
    • Basic alerts
  • Enterprise$undefined/mo
    • All Pro features
    • Advanced security
    • Dedicated support

Which should you pick?

Choose Graylog if

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

Choose Logz.io if

  • You need ai-powered insights.
  • You work on Cloud (SaaS), Web.
  • You also want elasticsearch integration.
Logz.io review

Questions people ask

Is Graylog or Logz.io better?
Neither clearly leads. Graylog starts at Free and Logz.io at $99/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Graylog or Logz.io?
Graylog has a free tier; the other does not. Paid plans start at Free for Graylog and $99/month for Logz.io.
Does Graylog or Logz.io run on more platforms?
Graylog runs on Web, Api. Logz.io runs on Cloud (SaaS), Web.
Can I use Graylog for free?
Yes. Graylog has a free tier, so you can try it without paying. Logz.io starts at $99/month.
What is Graylog best used for?
Graylog is most often used for log aggregation and analysis for secops teams, it and devops monitoring and troubleshooting, enterprise security event monitoring. Of those, log aggregation and analysis for secops teams and it and devops monitoring and troubleshooting are not what Logz.io is typically brought in for.
What can Graylog do that Logz.io cannot?
Graylog covers Full-text search, Parsing and extraction, Real-time analytics. Logz.io covers AI-powered insights, Elasticsearch integration, Alert management, Security analytics. Both handle Log aggregation, API, Webhooks, REST.

Answered from the vendors’ own pages

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
Logz.io: Does Logz.io support self-hosting?

No. Logz.io is a fully SaaS platform with no self-hosting option, limiting flexibility for organizations with on-premises requirements or specific data residency needs.

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
Logz.io: Is Logz.io based on open-source ELK Stack?

Logz.io is built on the ELK Stack (Elasticsearch, Logstash, Kibana) but uses managed hosting. Note that Elasticsearch and Kibana switched to non-open-source licenses (SSPL) in February 2021, which may have legal implications.

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
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