IBM QRadar vs Splunk: SIEM Comparison (2026)
An independent side-by-side comparison of IBM QRadar and Splunk 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.
Tied overall — both at 53% cited across 60 probes.
ChatGPT
IBM QRadar
4 / 6 probes
67%
ExcellentSplunk
4 / 6 probes
67%
ExcellentPerplexity
IBM QRadar
4 / 6 probes
67%
ExcellentSplunkLeads
5 / 6 probes
83%
ExcellentGemini
IBM QRadar
0 / 6 probes
0%
InvisibleSplunkLeads
1 / 6 probes
17%
AverageClaude
IBM QRadar
4 / 6 probes
67%
ExcellentSplunk
4 / 6 probes
67%
ExcellentCopilot
IBM QRadarLeads
4 / 6 probes
67%
ExcellentSplunk
2 / 6 probes
33%
GoodScale:NoneLowFairStrongExcellent
Probes run hourly; each (engine × query) combo retests every ~3 days.
Pricing
Key Features
IBM QRadar
Feature data is being indexed.
Splunk
- ✓Workload-based pricing
- ✓Ingest pricing model
- ✓Entity-based pricing
- ✓Activity-based pricing
When to choose IBM QRadar
Choose IBM QRadar if your team prioritizes its strengths over Splunk's. Full guidance populates as IBM QRadar's feature data is indexed.
When to choose Splunk
Choose Splunk if your team prioritizes its strengths over IBM QRadar's. Full guidance populates as Splunk's feature data is indexed.