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Head-to-head · Security Analytics

IBM QRadar SIEM vs Splunk Enterprise

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score IBM QRadar SIEM #5 in Security Analytics 9.0/10 Pricing on request ✓ 0 of 4 features Visit IBM
Splunk Enterprise #7 in Security Analytics 8.8/10 Free plan · pricing on request · 60-day trial Free planFree trial✓ 0 of 4 features Visit Splunk

IBM QRadar SIEM leads on 0 checks, Splunk Enterprise on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreIBM QRadar SIEM · 9.0/10
  • Free planonly Splunk Enterprise
  • Free trialonly Splunk Enterprise

IBM QRadar SIEM scores higher on our rubric for security analytics: 9.0 against 8.8 out of 10; our editors rank them #5 and #7.

IBM QRadar SIEM is the better fit for organizations needing a mature self-hosted SIEM. Splunk Enterprise is the better fit for enterprises prioritizing scalable log search.

  • IBM QRadar SIEM fits best

    Organizations needing a mature self-hosted SIEM

  • Splunk Enterprise fits best

    Enterprises prioritizing scalable log search

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Side by side

Feature IBM QRadar SIEM 9.0/10 Visit ↗ Splunk Enterprise 8.8/10 Visit ↗
At a glance
Editor score 9.0 8.8
Ranking #5 in Security Analytics #7 in Security Analytics
Best for Organizations needing a mature self-hosted SIEM Enterprises prioritizing scalable log search
Pricing model Paid Free plan + paid
Starting price Pricing on request Free plan · pricing on request · 60-day trial
Free plan Not checked yet ✓ (best)
Free trial — 60 days
Deployment Self-hosted Self-hosted
Integrations 1 integrations 8 integrations
Features IBM QRadar SIEM 0/4 · Splunk Enterprise 0/4
UEBA Not checked yet Not checked yet
Anomaly detection Not checked yet Not checked yet
Threat intelligence Not checked yet Not checked yet
Case management Not checked yet Not checked yet
Specs
Deployment Not checked yet Not checked yet
Data retention Not checked yet Not checked yet
Log ingestion limit Not checked yet Not checked yet
Our review
Pros
  • Centralizes security visibility across data sources
  • Combines real-time detection with behavior and network analytics
  • Offers 700+ prebuilt integrations and partner extensions
  • Collects and indexes logs and machine data from external sources.
  • Real-time search, live-tail viewing, dashboards, and visual analytics.
  • Routing, field extraction, REST APIs, and S3/HDFS archiving support.
Cons
  • Requires a self-hosted deployment
  • Pricing requires contacting IBM for a custom demonstration
  • AQL searches and custom rules may demand specialist expertise
  • Paid pricing is quote-based and requires contacting sales.
  • Deployment is self-managed rather than vendor-hosted.
  • The Hadoop Data Roll archive feature is deprecated in version 9.4.
Our verdict

Security teams looking to centralize monitoring and investigation can use IBM QRadar SIEM to analyze security events and network activity in a self-hosted deployment. It brings together real-time threat detection, user behavior analytics,…

Read the review →

Splunk Enterprise is a self-managed platform for collecting, indexing, searching, monitoring, and analyzing machine-generated data. It is intended for security, IT operations, DevOps, engineering, and compliance teams working with logs and…

Read the review →
  1. IBM QRadar SIEMSecurity Analytics 9.0Pricing on request
  2. Splunk EnterpriseSecurity Analytics 8.8Free plan · pricing on request · 60-day trial

Strengths and trade-offs

  • IBM QRadar SIEM — where it wins

    • Centralizes security visibility across data sources
    • Combines real-time detection with behavior and network analytics
    • Offers 700+ prebuilt integrations and partner extensions

    Where it doesn't

    • Requires a self-hosted deployment
    • Pricing requires contacting IBM for a custom demonstration
    • AQL searches and custom rules may demand specialist expertise

  • Splunk Enterprise — where it wins

    • Collects and indexes logs and machine data from external sources.
    • Real-time search, live-tail viewing, dashboards, and visual analytics.
    • Routing, field extraction, REST APIs, and S3/HDFS archiving support.

    Where it doesn't

    • Paid pricing is quote-based and requires contacting sales.
    • Deployment is self-managed rather than vendor-hosted.
    • The Hadoop Data Roll archive feature is deprecated in version 9.4.
  • IBM QRadar SIEM9.0/10 · Pricing on request

    A self-hosted SIEM with broad integrations, real-time detection and customizable analytics.

    Visit IBMFull verdict →
  • Splunk Enterprise8.8/10 · Free plan · pricing on request · 60-day trial

    A broad, self-managed machine-data platform for enterprise log search and analytics.

    Visit SplunkFull verdict →

More comparisons

All security analytics comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update