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Logging · head to head

Graylog vs Logstash

Graylog logo

Graylog

Logging

Log Aggregation and Analysis Platform

From
Free
Rated
-
Full reviewWebsite
Logstash logo

Logstash

Logging

Data Processing Pipeline for Ingestion

From
Free
Rated
-
Full reviewWebsite

The short version

  • 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; Logstash logstash's source is dual licensed: code outside the x-pack directory is Apache License 2.0, but code inside x-pack (which carries several of Logstash's monitoring and management features) is licensed under the Elastic License, not a fully open source license
  • They diverge on capability: Graylog covers Log aggregation, Logstash covers Data ingestion.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Graylog and Logstash actually diverge.

Attributes where Graylog and Logstash differ
AttributeGraylogLogstash

Identical on both: starting price (Free), pricing model (open-source), free tier (Yes), platforms (Web, Api), user rating (Not yet rated), category (Logging), founded (2011).

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

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

Only in Logstash

  • Data ingestion
  • Event parsing
  • Data transformation
  • Multiple input sources

Both cover

  • 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 Logstash
  • IT and DevOps monitoring and troubleshootingnot Logstash
  • Enterprise security event monitoringnot Logstash

Logstash

  • 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

Logstash

  • Logstash's source is dual licensed: code outside the x-pack directory is Apache License 2.0, but code inside x-pack (which carries several of Logstash's monitoring and management features) is licensed under the Elastic License, not a fully open source license

Pricing, plan by plan

Graylog

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

Logstash

Free
  • FreeFree
    • Data ingestion
    • Event parsing
    • Data transformation

Which should you pick?

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

Choose Logstash if

  • You need data ingestion.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want event parsing.
Logstash review

Questions people ask

Is Graylog or Logstash better?
Neither clearly leads. Graylog starts at Free and Logstash at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Graylog or Logstash?
Graylog starts at Free and Logstash at Free.
Does Graylog or Logstash run on more platforms?
Both run on Web, Api, so platform support will not decide this one for you.
Can I use Graylog for free?
Both have a free tier, so you can try either at no cost before committing.
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 Logstash is typically brought in for.
What can Graylog do that Logstash cannot?
Graylog covers Log aggregation, Full-text search, Parsing and extraction, Real-time analytics. Logstash covers Data ingestion, Event parsing, Data transformation, Multiple input sources. Both handle API, Webhooks, REST, Web support.

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
Logstash: How much does Logstash cost?

Logstash is free and open-source. The data processing pipeline is available to download at no charge and can be deployed without licensing costs or commercial restrictions.

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
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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