Datadog Cloud SIEM vs ArcSight: SIEM Comparison (2026)
An independent side-by-side comparison of Datadog Cloud SIEM 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.
Datadog Cloud SIEM leads overall — 13% cited vs ArcSight 0% across 60 probes.
ChatGPT
Datadog Cloud SIEMLeads
1 / 6 probes
17%
AverageArcSight
0 / 6 probes
0%
InvisiblePerplexity
Datadog Cloud SIEMLeads
2 / 6 probes
33%
GoodArcSight
0 / 6 probes
0%
InvisibleGemini
Datadog Cloud SIEM
0 / 6 probes
0%
InvisibleArcSight
0 / 6 probes
0%
InvisibleClaude
Datadog Cloud SIEMLeads
1 / 6 probes
17%
AverageArcSight
0 / 6 probes
0%
InvisibleCopilot
Datadog Cloud SIEM
0 / 6 probes
0%
InvisibleArcSight
0 / 6 probes
0%
InvisibleScale:NoneLowFairStrongExcellent
Probes run hourly; each (engine × query) combo retests every ~3 days.
Pricing
Key Features
Datadog Cloud SIEM
- ✓800+ detection rules
- ✓Real-time alert analysis
- ✓12-month data retention
- ✓Automated incident workflows
ArcSight
Feature data is being indexed.
When to choose Datadog Cloud SIEM
Choose Datadog Cloud SIEM if your team prioritizes its strengths over ArcSight's. Full guidance populates as Datadog Cloud SIEM's feature data is indexed.
When to choose ArcSight
Choose ArcSight if your team prioritizes its strengths over Datadog Cloud SIEM's. Full guidance populates as ArcSight's feature data is indexed.