HackerOne vs Horizon3.ai: Pentesting & Offensive Security Comparison (2026)

An independent side-by-side comparison of HackerOne and Horizon3.ai for pentesting & offensive security 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 pentesting & offensive security questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.

HackerOne leads overall57% cited vs Horizon3.ai 3% across 60 probes.
ChatGPT
HackerOneLeads
5 / 6 probes
83%
Excellent
Horizon3.ai
0 / 6 probes
0%
Invisible
Perplexity
HackerOneLeads
5 / 6 probes
83%
Excellent
Horizon3.ai
0 / 6 probes
0%
Invisible
Gemini
HackerOne
1 / 6 probes
17%
Average
Horizon3.ai
1 / 6 probes
17%
Average
Claude
HackerOneLeads
6 / 6 probes
100%
Excellent
Horizon3.ai
0 / 6 probes
0%
Invisible
Copilot
HackerOne
0 / 6 probes
0%
Invisible
Horizon3.ai
0 / 6 probes
0%
Invisible
Scale:NoneLowFairStrongExcellent

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

Pricing

HackerOne
Starting price
Free tier
hackerone.com
Horizon3.ai
Starting price
Free tier
horizon3.ai

Key Features

HackerOne

Feature data is being indexed.

Horizon3.ai
  • Autonomous Pentesting
  • Continuous Testing
  • Precision Threat Detection
  • Risk-Based Exposure Management
  • Rapid Response
  • Vulnerability Prioritization
  • Threat Actor Intelligence
  • Advanced Data Pilfering

When to choose HackerOne

Choose HackerOne if your team prioritizes its strengths over Horizon3.ai's. Full guidance populates as HackerOne's feature data is indexed.

When to choose Horizon3.ai

Choose Horizon3.ai if your team prioritizes its strengths over HackerOne's. Full guidance populates as Horizon3.ai's feature data is indexed.

More Pentesting & Offensive Security Comparisons