The AI Search Directory
A reference catalogue · Vol. I
The Catalogue

Free Tools

Specimina libera

Free graders, lightweight scanners, and no-cost entry points for testing AI search performance.

2
Specimens
1
Featured
55
In directory
HubSpot AEO Grader logo

HubSpot AEO Grader

Free Tools

Free answer-engine grader for visibility, sentiment, and competitive positioning.

Best for

Operators who want a free first-pass AI visibility audit

Pricing

Base

$0

Covers

GPT-4oPerplexityGemini

Features

  • Runs automated brand analysis across GPT-4o, Perplexity, and Gemini
  • Scores brand recognition, context, sentiment, and citation frequency
  • Competitive positioning and archetype classification

More in Details

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HubSpot AEO Sensor logo

HubSpot AEO Sensor

Free Tools

Free public dashboard for answer-engine volatility, AI-referred traffic, and industry visibility benchmarks.

Best for

Marketers who want a free landscape-level view of AEO volatility and AI search traffic shifts

Pricing

AEO Sensor

$0

Covers

ChatGPTGeminiPerplexity

Features

  • Daily answer-engine volatility tracker based on mention, citation, citation type, and AI-referred traffic shifts
  • Weekly AI-referred traffic trends from aggregated HubSpot customer data
  • Industry visibility and citation-share benchmarks for representative brands

More in Details

Visit ↗Details