Deal.ai is an AI shopping agent that compares prices across thousands of stores. We publish research on what prices really do, and we can check any product for your story.
Send us the products you're covering, this week's doorbusters for example, and we'll send back what each big store lists them for at the same moment: a simple comparison you can quote or show on screen.
Cuts of our research for a category, a retailer or a set of products: how much prices differ across stores, and what Black Friday prices are doing as our live study runs.
Which stores refund the difference if a price drops after you buy, and each store's holiday return deadline, from their own policy pages.
How the agent finds products, reads prices at thousands of stores, and decides which listings are really the same item, including where it gets things wrong.



Quote and chart our findings freely with a credit to Deal.ai and a link to the study, which carries its method, sample size and limits. Every study page has a ready-made citation, and corrections are noted on the page.
Deal.ai, "Black Friday 2026: we're tracking 972 products every day to see which deals are real", https://deal.ai/research/black-friday-2026