Splunk vs Graylog: SIEM Comparison (2026)
An independent side-by-side comparison of Splunk and Graylog for siem buyers — pricing, features, integrations, and how often each is cited by major AI engines.
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.
Splunk leads overall — 53% cited vs Graylog 13% across 60 probes.
ChatGPT
SplunkLeads
4 / 6 probes
67%
ExcellentGraylog
2 / 6 probes
33%
GoodPerplexity
SplunkLeads
5 / 6 probes
83%
ExcellentGraylog
1 / 6 probes
17%
AverageGemini
SplunkLeads
1 / 6 probes
17%
AverageGraylog
0 / 6 probes
0%
InvisibleClaude
SplunkLeads
4 / 6 probes
67%
ExcellentGraylog
1 / 6 probes
17%
AverageCopilot
SplunkLeads
2 / 6 probes
33%
GoodGraylog
0 / 6 probes
0%
InvisibleScale:NoneLowFairStrongExcellent
Probes run hourly; each (engine × query) combo retests every ~3 days.
Pricing
Key Features
Splunk
- ✓Workload-based pricing
- ✓Ingest pricing model
- ✓Entity-based pricing
- ✓Activity-based pricing
Graylog
- ✓Enterprise Log Management
- ✓Maximizes system uptime
- ✓Alert on issues and outages
- ✓Meets data retention requirements
When to choose Splunk
Choose Splunk if your team prioritizes its strengths over Graylog's. Full guidance populates as Splunk's feature data is indexed.
When to choose Graylog
Choose Graylog if your team prioritizes its strengths over Splunk's. Full guidance populates as Graylog's feature data is indexed.