Rapid7 InsightIDR vs ArcSight: SIEM Comparison (2026)

An independent side-by-side comparison of Rapid7 InsightIDR 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.

Rapid7 InsightIDR leads overall33% cited vs ArcSight 0% across 60 probes.
ChatGPT
Rapid7 InsightIDRLeads
3 / 6 probes
50%
Excellent
ArcSight
0 / 6 probes
0%
Invisible
Perplexity
Rapid7 InsightIDR
0 / 6 probes
0%
Invisible
ArcSight
0 / 6 probes
0%
Invisible
Gemini
Rapid7 InsightIDR
0 / 6 probes
0%
Invisible
ArcSight
0 / 6 probes
0%
Invisible
Claude
Rapid7 InsightIDRLeads
4 / 6 probes
67%
Excellent
ArcSight
0 / 6 probes
0%
Invisible
Copilot
Rapid7 InsightIDRLeads
3 / 6 probes
50%
Excellent
ArcSight
0 / 6 probes
0%
Invisible
Scale:NoneLowFairStrongExcellent

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

Pricing

Rapid7 InsightIDR
Starting price
$1.62/mo for 500 assets, per asset
Free tier
rapid7.com
ArcSight
Starting price
Free tier
opentext.com

Key Features

Rapid7 InsightIDR
  • Unlimited user accounts
  • Shared data across tools
  • Instant visibility across modern networks
  • Single sign-on
  • 24/7 technical support
  • Customer-success team
  • Community-built extensions
  • Central account dashboard
ArcSight

Feature data is being indexed.

When to choose Rapid7 InsightIDR

Choose Rapid7 InsightIDR if your team prioritizes its strengths over ArcSight's. Full guidance populates as Rapid7 InsightIDR's feature data is indexed.

When to choose ArcSight

Choose ArcSight if your team prioritizes its strengths over Rapid7 InsightIDR's. Full guidance populates as ArcSight's feature data is indexed.

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