Graylog SIEM vs LogESP: side-by-side comparison (2026)

Graylog SIEM: AI-powered SIEM platform for log management, threat detection, and IT ops. Built by Graylog, Inc.

LogESP: A Security Information and Event Management (SIEM) system with a focus on security and minimalism.

The table above shows where their features, integrations, deployment and company size fit differ.

Graylog SIEM is made by Graylog, Inc. LogESP is open-source with 220 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. Graylog SIEM and LogESP are both Security Information and Event Management products, and both cover Log Management. Key differences: Graylog SIEM is Commercial while LogESP is Free, LogESP is open-source. Use the table above to see where features, deployment and company size fit differ.