Graylog vs Sumo Logic: SIEM Comparison (2026)

Graylog is best for organizations prioritizing robust, comprehensive log management and uptime maximization with a higher budget. Sumo Logic suits those needing AI-driven, real-time threat detection, unlimited user access, and extensive integrations, with a free tier option.

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.

Sumo Logic leads overall27% cited vs Graylog 13% across 60 probes.
ChatGPT
Graylog
2 / 6 probes
33%
Good
Sumo Logic
2 / 6 probes
33%
Good
Perplexity
Graylog
1 / 6 probes
17%
Average
Sumo LogicLeads
3 / 6 probes
50%
Excellent
Gemini
Graylog
0 / 6 probes
0%
Invisible
Sumo Logic
0 / 6 probes
0%
Invisible
Claude
Graylog
1 / 6 probes
17%
Average
Sumo LogicLeads
2 / 6 probes
33%
Good
Copilot
Graylog
0 / 6 probes
0%
Invisible
Sumo LogicLeads
1 / 6 probes
17%
Average
Scale:NoneLowFairStrongExcellent

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

Pricing

Graylog
Starting price
$15,000/yr
Free tier
graylog.org
Sumo Logic
Starting price
$3.14/TB scanned
Free tier
Yes
sumologic.com

Key Features

Graylog
  • Enterprise Log Management
  • Maximizes system uptime
  • Alert on issues and outages
  • Meets data retention requirements
Sumo Logic
  • Unlimited users
  • AI-driven alerting
  • Real-time threat detection
  • Automatically detects anomalies
  • Unify your stack with integrations
  • 24/7 support and automation
  • Full visibility into logs
  • Run automated playbooks

When to choose Graylog

Graylog is a suitable choice for organizations that need enterprise log management, system uptime maximization, alerting on issues and outages, and meeting data retention requirements. It is designed for large teams and focuses on reducing complexity in SIEM.

When to choose Sumo Logic

Sumo Logic is appropriate for users who prioritize unlimited users, AI-driven alerting, real-time threat detection, automatic anomaly detection, and extensive integrations. It offers 24/7 support, automation, full visibility into logs, and the ability to run automated playbooks. Sumo Logic has a free tier and flexible pricing.

Frequently Asked Questions

What are the key feature differences between Graylog and Sumo Logic?
Graylog offers enterprise log management, system uptime maximization, alerting on issues and outages, and data retention compliance. Sumo Logic provides unlimited users, AI-driven alerting, real-time threat detection, automatic anomaly detection, unification of stack with integrations, 24/7 support and automation, full log visibility, and automated playbooks.
How do the pricing models of Graylog and Sumo Logic differ?
Graylog has a starting price of $15,000/year and does not offer a free tier. Sumo Logic starts at $3.14/TB scanned, includes a free tier, and has flexible pricing that may vary by region and can be complex.
What are the integration capabilities of Graylog and Sumo Logic?
Graylog does not list specific integrations. Sumo Logic integrates with Slack, PagerDuty, ServiceNow, AWS CloudTrail, and Amazon Guard Duty.
What are the noted drawbacks for Graylog and Sumo Logic?
Graylog's drawbacks include a high starting price, no free tier, being resource-intensive, and potentially requiring additional training. Sumo Logic's drawbacks include potential complexity in its flex pricing, pricing that may vary by region, and some features requiring activation.

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