IBM QRadar vs ArcSight: SIEM Comparison (2026)

An independent side-by-side comparison of IBM QRadar and ArcSight 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.

IBM QRadar leads overall53% cited vs ArcSight 0% across 60 probes.
ChatGPT
IBM QRadarLeads
4 / 6 probes
67%
Excellent
ArcSight
0 / 6 probes
0%
Invisible
Perplexity
IBM QRadarLeads
4 / 6 probes
67%
Excellent
ArcSight
0 / 6 probes
0%
Invisible
Gemini
IBM QRadar
0 / 6 probes
0%
Invisible
ArcSight
0 / 6 probes
0%
Invisible
Claude
IBM QRadarLeads
4 / 6 probes
67%
Excellent
ArcSight
0 / 6 probes
0%
Invisible
Copilot
IBM QRadarLeads
4 / 6 probes
67%
Excellent
ArcSight
0 / 6 probes
0%
Invisible
Scale:NoneLowFairStrongExcellent

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

Pricing

IBM QRadar
Starting price
Free tier
ibm.com
ArcSight
Starting price
Free tier
opentext.com

Key Features

IBM QRadar

Feature data is being indexed.

ArcSight

Feature data is being indexed.

When to choose IBM QRadar

Choose IBM QRadar if your team prioritizes its strengths over ArcSight's. Full guidance populates as IBM QRadar's feature data is indexed.

When to choose ArcSight

Choose ArcSight if your team prioritizes its strengths over IBM QRadar's. Full guidance populates as ArcSight's feature data is indexed.

More SIEM Comparisons