Graylog alternatives (2026)

8 open source siem tools listed alongside Graylog for side-by-side comparison on capabilities, pricing, and deployment. No editorial ranking.

Why look for Graylog alternatives?

Graylog is a strong option for open source siem, but it's not the right fit for every team. Common reasons teams look elsewhere: smaller community and ecosystem than splunk or elastic; security features less mature than dedicated siems.

Below we list 8 alternatives, broken down by deployment model. All data is aggregated from official documentation and community feedback.

Open Source Alternatives to Graylog

Open-source SIEM and security analytics built on the ELK Stack

CloudSelf-hosted

Resource-based (nodes/capacity)

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Cloud-Managed Alternatives

Enterprise SIEM and security analytics platform for threat detection and incident response

Cloud

Workload-based or ingest-based

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Cloud-native SIEM and security analytics with automated threat detection

Cloud

Ingest-based (per GB/day)

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Unified security and observability platform with cloud SIEM and posture management

Cloud

Per-GB analyzed + per-host for additional modules

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Cloud-native Azure SIEM with AI-powered detection and automated response

Cloud

Per-GB ingested (with commitment tier discounts)

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Self-Hosted Alternatives

Open-source SIEM and security analytics built on the ELK Stack

CloudSelf-hosted

Resource-based (nodes/capacity)

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AI-powered enterprise SIEM with automated threat detection and investigation

CloudSelf-hosted

Events per second (EPS) or flows per minute

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Unified SIEM platform with threat lifecycle management and built-in SOAR

CloudSelf-hosted

Perpetual license or subscription (MPS-based)

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Behavioral analytics SIEM with automated investigation and response

CloudSelf-hosted

Per-user or per-GB subscription

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