Panther vs ArcSight: SIEM Comparison (2026)

An independent side-by-side comparison of Panther 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.

Panther leads overall7% cited vs ArcSight 0% across 60 probes.
ChatGPT
Panther
0 / 6 probes
0%
Invisible
ArcSight
0 / 6 probes
0%
Invisible
Perplexity
Panther
0 / 6 probes
0%
Invisible
ArcSight
0 / 6 probes
0%
Invisible
Gemini
PantherLeads
2 / 6 probes
33%
Good
ArcSight
0 / 6 probes
0%
Invisible
Claude
Panther
0 / 6 probes
0%
Invisible
ArcSight
0 / 6 probes
0%
Invisible
Copilot
Panther
0 / 6 probes
0%
Invisible
ArcSight
0 / 6 probes
0%
Invisible
Scale:NoneLowFairStrongExcellent

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

Pricing

Panther
Starting price
Free tier
panther.com
ArcSight
Starting price
Free tier
opentext.com

Key Features

Panther
  • Single closed-loop architecture
  • Definitive risk classification
  • Detect and respond at cloud scale
  • Detection-as-code with Python
ArcSight

Feature data is being indexed.

When to choose Panther

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

When to choose ArcSight

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

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