Rapid7 InsightIDR vs Splunk: SIEM Comparison (2026)

Rapid7 InsightIDR offers a transparent, asset-based pricing model. Splunk provides flexible, usage-based pricing models, but without specific starting prices.

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.

Splunk leads overall53% cited vs Rapid7 InsightIDR 33% across 60 probes.
ChatGPT
Rapid7 InsightIDR
3 / 6 probes
50%
Excellent
SplunkLeads
4 / 6 probes
67%
Excellent
Perplexity
Rapid7 InsightIDR
0 / 6 probes
0%
Invisible
SplunkLeads
5 / 6 probes
83%
Excellent
Gemini
Rapid7 InsightIDR
0 / 6 probes
0%
Invisible
SplunkLeads
1 / 6 probes
17%
Average
Claude
Rapid7 InsightIDR
4 / 6 probes
67%
Excellent
Splunk
4 / 6 probes
67%
Excellent
Copilot
Rapid7 InsightIDRLeads
3 / 6 probes
50%
Excellent
Splunk
2 / 6 probes
33%
Good
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
Splunk
Starting price
Free tier
splunk.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
Splunk
  • Workload-based pricing
  • Ingest pricing model
  • Entity-based pricing
  • Activity-based pricing

When to choose Rapid7 InsightIDR

Rapid7 InsightIDR is suitable for organizations seeking a SIEM solution with asset-based pricing and a comprehensive set of features including unlimited user accounts, shared data across tools, instant network visibility, single sign-on, 24/7 technical support, a customer-success team, community-built extensions, and a central account dashboard.

When to choose Splunk

Splunk is suitable for organizations that require flexible pricing models (workload-based, ingest, entity-based, or activity-based) that can be tailored to their specific usage. This platform is also appropriate for those who need deployment options for cloud, private, or on-premises environments.

Frequently Asked Questions

What are the key features of Rapid7 InsightIDR?
Rapid7 InsightIDR offers unlimited user accounts, shared data across tools, instant visibility across modern networks, single sign-on, 24/7 technical support, a customer-success team, community-built extensions, and a central account dashboard.
What are the key features of Splunk?
Splunk offers workload-based pricing, ingest pricing model, entity-based pricing, and activity-based pricing.
How does pricing differ between Rapid7 InsightIDR and Splunk?
Rapid7 InsightIDR starts at $1.62/month for 500 assets, per asset. Splunk does not list a specific starting price; its pricing is workload-based, ingest, entity-based, or activity-based, and varies by usage, requiring contact for detailed quotes.
Does either vendor offer a free tier?
Neither Rapid7 InsightIDR nor Splunk explicitly lists a free tier.

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