Firehouse Subs vs PrimoHoagies
How do Firehouse Subs and PrimoHoagies compare inside AI answers? Across the latest Famewise run, here is each brand's visibility in ChatGPT, Claude and Gemini — and how often they are named together.
Relative share of voice
Of the 297 mentions across the two brands, Firehouse Subs takes 95% and PrimoHoagies 5%. They are named together in 14 answers.
How this is measured
Famewise generates the category-level questions consumers ask AI assistants, then asks them to current OpenAI GPT, Anthropic Claude and Google Gemini models — each question with web search on and off. An extraction model records every brand named in every answer, the position of its first mention, and the sentiment toward it. Brands are ranked by share of voice: the number of answers that mention them. Every number reflects the latest scheduled run.
Frequently asked questions
Is Firehouse Subs or PrimoHoagies more visible in AI answers?
In the latest Famewise run, Firehouse Subs is named in 282 AI answers and PrimoHoagies in 15. Firehouse Subs has the higher share of voice. The two are named together in 14 answers.
How are Firehouse Subs and PrimoHoagies measured?
Famewise asks current OpenAI GPT, Anthropic Claude and Google Gemini models the questions consumers ask in these brands' categories — with and without web search — and records every brand each answer names, its position, and the sentiment toward it.
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