The moments that trigger the question
Product moments are situations: the gift with a deadline and a personality attached, the replacement after something broke, the upgrade that follows a new hobby, the constraint purchase, small apartment, sensitive skin, left-handed. The assistant converts the situation into criteria and then hunts for products whose evidence matches the criteria.
The sources the answers lean on
For product recommendations, assistants lean on review aggregation across retail platforms, expert testing publications, community threads where owners speak plainly, comparison content, and product pages with parseable specifications. Spec sheets are quotable evidence; lifestyle adjectives are not. Owner language in reviews, quiet, sturdy, runs small, becomes the framing assistants repeat.
Why the same products keep winning
Products that keep getting named have complete structured data, review bases whose language matches the situations they win, and presence in the expert tests and community threads assistants cite for the category. Small brands beat giants in constraint-shaped moments constantly, because the constraint match is checkable and theirs.
Run the test yourself, and what products can do about it
The test costs nothing: ask ChatGPT, Gemini, Claude and Perplexity the questions above, phrased the way a real person would say them, and write down who gets named and what sources appear. Run each question twice on different days, since answers vary and patterns matter more than single runs.
For brands and merchants, the fixes: complete product schema everywhere the product lives, descriptions that answer who this is for and what problem it solves, and cultivation of the expert reviews and communities your category's answers cite. For products that want the systematic version, the free Aethon audit runs your real buyer questions across all four assistants with screenshots, and the e-commerce playbook turns the gaps into a work plan.