Graylog

Open-source log management and SIEM platform with intuitive analytics

ToolOpen Source SIEMOpen SourceCloudSelf-hosted

Pricing: Free source-available "Open" tier; paid plans Enterprise from $15,000/yr, Security and API Security from $18,000/yr (consumption-based, contact sales for a quote)

Reviewed by the CyberSecTool editorial team against the public sources cited below · Last reviewed February 2026 · How we review listings

What is Graylog?

Graylog is an open-source log management and SIEM platform designed for collecting, indexing, and analyzing log data at scale. Its centralized log management approach combined with security analytics capabilities makes it a cost-effective alternative to enterprise SIEMs. Graylog offers a streamlined, intuitive interface and a powerful pipeline processing engine for data enrichment and normalization.

Best for: Teams needing cost-effective log management with SIEM capabilities and an intuitive user experience
Pros
  • ✓ Open-source core with generous free tier
  • ✓ Intuitive UI with lower learning curve than Splunk
  • ✓ Efficient resource utilization and storage
  • ✓ Strong pipeline processing for data transformation
  • ✓ Predictable per-node licensing
Considerations
  • • Smaller community and ecosystem than Splunk or Elastic
  • • Security features less mature than dedicated SIEMs
  • • Limited out-of-the-box security content
  • • Enterprise features require paid license

Reported in public reviews and vendor documentation. See sources below.

Key Features

→Centralized log management and collection
→Security analytics and threat detection
→Pipeline processing for data enrichment
→Anomaly detection with machine learning
→Customizable dashboards and alerting
→Data routing and multi-tenant support
→Compliance reporting templates
→REST API for automation

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Graylog Comparisons

Graylog vs Datadog Security→Graylog vs Splunk→Graylog vs Exabeam→Graylog vs IBM QRadar→Graylog vs Sumo Logic→Graylog vs Elastic Security→Graylog vs LogRhythm→Graylog vs Microsoft Sentinel→

Sources & references

Where the information on this listing comes from. Always verify pricing and capabilities against the vendor before a purchasing decision.

Graylog — official websitePrimary source
Graylog questions on Stack Overflow
Stack Overflow
Graylog Official Pricing Page
Vendor (Graylog)
TORCH Secures Seed Funding to further develop Graylog2
High-Tech Gruenderfonds (investor)
Graylog Pricing 2026 (third-party aggregator; source of the $1,250/mo estimate)
CostBench (independent aggregator)

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Quick Info
PricingFree source-available "Open" tier; paid plans Enterprise from $15,000/yr, Security and API Security from $18,000/yr (consumption-based, contact sales for a quote)
ModelPer-node licensing (Operations and Security tiers)
Founded2011
CloudYes
Self-HostedYes
Open SourceYes
Visit Website →View on GitHub →

Last updated: Feb 20, 2026

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In the glossary
SIEM