ArcSight vs Splunk: SIEM Comparison (2026)

An independent side-by-side comparison of ArcSight and Splunk 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.

Too early to call — probes still building data.
ChatGPT
ArcSight
Tracking…
No data yet
Splunk
Tracking…
No data yet
Perplexity
ArcSight
0 / 1 probes
0%
Invisible
SplunkLeads
1 / 1 probes
100%
Excellent
Gemini
ArcSight
Tracking…
No data yet
Splunk
Tracking…
No data yet
Claude
ArcSight
Tracking…
No data yet
Splunk
Tracking…
No data yet
Copilot
ArcSight
Tracking…
No data yet
Splunk
Tracking…
No data yet
Scale:NoneLowFairStrongExcellent

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

Pricing

ArcSight
Starting price
—
Free tier
—
opentext.com ↗
Splunk
Starting price
—
Free tier
—
splunk.com ↗

Key Features

ArcSight

Feature data is being indexed.

Splunk
  • ✓Workload-based pricing
  • ✓Ingest pricing model
  • ✓Entity-based pricing
  • ✓Activity-based pricing

When to choose ArcSight

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

When to choose Splunk

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

AI visibility profiles

Is one of these your brand?

Get the full report by email: every siem buyer question we ask, which engines name you, and who gets named instead.

ArcSight

opentext.com

Splunk

splunk.com

Free check

Check any brand's AI visibility — free

We ask the buyer questions in this market across ChatGPT, Claude, Gemini, Perplexity and Copilot, and show you who gets named.

More SIEM Comparisons