What is Share of Model?
Definition & Overview
Serving as the AI-era equivalent to traditional Share of Voice (SOV), Share of Model evaluates how dominating a brand's entity footprint is within LLM parametric memory and live RAG outputs.
Analogy & Mental Model
If a buyer asks ChatGPT ten different questions about CRM software and your product is recommended in seven of those answers, your Share of Model is 70%.
Why Share of Model Matters
Brands with high Share of Model capture the vast majority of zero-click buyer intent before buyers ever consult a traditional search engine.
Concrete Real-World Application
A enterprise cybersecurity vendor measuring a 62% Share of Model across Perplexity enterprise buyer queries.
How Share of Model Works
Share of Model is benchmarked by testing prompt matrices across target evaluation categories.
Core Components & Mechanisms
Category Matrix Definition
Mapping 50+ buyer evaluation queries ranging from top-of-funnel definitions to bottom-of-funnel feature comparisons.
Multi-Engine Execution
Querying ChatGPT, Perplexity, Gemini, Copilot, and Claude in parallel.
Share Ratio Calculation
Dividing your brand's total citations by total citations across all competitors.
Share of Model vs AI Share of Voice
AI Share of Voice measures total brand mentions in AI outputs, whereas Share of Model tracks how frequently an AI model relies on your brand as its primary authoritative reference.
Frequently Asked Questions
How do you increase Share of Model?
Increase Share of Model by publishing original research, earning third-party review consensus, adding schema markup, and ensuring LLM crawlers can access your pages.
Articles & Research Referencing Share of Model
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