Share of Model

Share of model measures the number of mentions a brand receives from one or more specific large language models, expressed as a proportion of total brand mentions across the whole category, for a given set of queries.

Why it matters

Share of model gets used almost interchangeably with AI Share of Voice, but the more precise version of the term isolates results by individual model. ChatGPT's share of model for a brand can differ sharply from Gemini's, which is exactly the kind of per-model breakdown that matters when deciding where to invest content effort.

Related terms

• AI Share of Voice (AI SOV)

  AI Share of Voice (AI SOV) is the percentage of AI-generated responses that mention a brand, out of all AI responses to a defined set of relevant industry queries, benchmarked against how often competitors get mentioned for the same queries.

• Citation Rate

  Citation rate is the percentage of relevant AI-generated answers that cite a brand's domain as a source, out of every answer where citing that brand would have been relevant. It's the most commonly cited single performance metric across the GEO and AEO industry.

• Large Language Model (LLM)

  A large language model (LLM) is an AI model trained on vast amounts of text to understand and generate human language. It's the underlying technology behind ChatGPT (OpenAI's GPT models), Claude (Anthropic), and Gemini (Google), and what every generative engine is built on top of.