Splunk Enterprise Security vs IBM QRadar

Side-by-side from the Top 11 ranking of Top 11 SIEM Software. Last verified July 10, 2026.

The short answer

Splunk Enterprise Security ranks higher on Top 11 (#2 vs #6) for Security operations and IT leaders. Deepest search language and correlation engine.

At a glance

Splunk Enterprise SecurityIBM QRadar
Top 11 rank#2 / Top 11 SIEM Software#6 / Top 11 SIEM Software
Score (out of 9.4)9.18.5
Best forBest for deep search and correlationBest for mature enterprise SOCs
Pricing$$$ (workload or ingest pricing, commonly six figures per year at scale)$$$ (events-per-second or cloud pricing, enterprise-tier)
HQSan Francisco, USAArmonk, USA
Founded20032011

Splunk Enterprise Security

Deepest search language and correlation engine.

www.splunk.com/en_us/products/enterprise-security.html

See full entry in Top 11 SIEM Software

IBM QRadar

Mature correlation and compliance for large SOCs.

www.ibm.com/qradar

See full entry in Top 11 SIEM Software

Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.