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# Model Probe

A structured query sent to AI models to test whether a brand, domain, or specific content is cited in the response. Model probes are used in the Topicker AI ...

A structured query sent to AI models to test whether a brand, domain, or specific content is cited in the response. Model probes are used in the Topicker AI Visibility audit to measure real-world citation rates across ChatGPT, Gemini, Perplexity, and Claude.

**Example:** A model probe asks ChatGPT: 'What are the top GEO tools for SaaS companies?' — if ChatGPT mentions 'Topicker' in its response, the probe records a brand mention with citation details.


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