Graylog vs Panther: SIEM Comparison (2026)

Graylog is a SIEM platform designed for enterprise log management, maximizing system uptime, alerting on issues, and meeting data retention requirements. Panther is a SIEM platform that offers a single closed-loop architecture, definitive risk classification, cloud-scale detection and response, and detection-as-code capabilities using Python.

AI Citation Scorecard

How often each is cited by major AI engines when buyers ask siem questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.

Graylog leads overall13% cited vs Panther 7% across 60 probes.
ChatGPT
GraylogLeads
2 / 6 probes
33%
Good
Panther
0 / 6 probes
0%
Invisible
Perplexity
GraylogLeads
1 / 6 probes
17%
Average
Panther
0 / 6 probes
0%
Invisible
Gemini
Graylog
0 / 6 probes
0%
Invisible
PantherLeads
2 / 6 probes
33%
Good
Claude
GraylogLeads
1 / 6 probes
17%
Average
Panther
0 / 6 probes
0%
Invisible
Copilot
Graylog
0 / 6 probes
0%
Invisible
Panther
0 / 6 probes
0%
Invisible
Scale:NoneLowFairStrongExcellent

Probes run hourly; each (engine × query) combo retests every ~3 days.

Pricing

Graylog
Starting price
$15,000/yr
Free tier
graylog.org
Panther
Starting price
Free tier
panther.com

Key Features

Graylog
  • Enterprise Log Management
  • Maximizes system uptime
  • Alert on issues and outages
  • Meets data retention requirements
Panther
  • Single closed-loop architecture
  • Definitive risk classification
  • Detect and respond at cloud scale
  • Detection-as-code with Python

When to choose Graylog

You need robust security features, comprehensive log management, and a solution designed for large teams, and you require features like enterprise log management, system uptime maximization, alerting on issues, and data retention compliance. You are prepared for a high starting price and potential resource intensity.

When to choose Panther

You need a SIEM platform with a single closed-loop architecture, definitive risk classification, and the ability to detect and respond at cloud scale using detection-as-code with Python. You value AI-automated detection and investigation, no vendor lock-in, efficient triage, and support for petabyte-scale data, and your operations are cloud-based. You are aware that pricing is not disclosed and there is no free tier.

Frequently Asked Questions

What are the key features of Graylog?
Graylog offers Enterprise Log Management, maximizes system uptime, alerts on issues and outages, and meets data retention requirements.
What are the key features of Panther?
Panther provides a single closed-loop architecture, definitive risk classification, detection and response at cloud scale, and detection-as-code with Python.
What are the advantages of Graylog?
Graylog offers robust security features, comprehensive log management, is designed for large teams, and reduces complexity in SIEM.
What are the advantages of Panther?
Panther's advantages include AI automating detection and investigation, no vendor lock-in, being built for efficient triage, and supporting petabyte-scale data.
What are the limitations of Graylog?
Graylog has a high starting price, no free tier available, is resource intensive, and may require additional training.

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