Comparing product rankings by OpenAI, Anthropic, and Perplexity
Hi HN! AI Product Rank lets you to search for topics and products, and see how OpenAI, Anthropic, and Perplexity rank them. You can also see the citations for each ranking. We’re interested in seeing how AI decides to recommend products, especially now that they are actively searching the web. Now that we can retrieve citations by API, we can learn a bit more about what sources the various models use. This is increasingly becoming important - Guillermo Rauch said that ChatGPT now refers ~5% of Vercel signups, which is up 5x over the last six months. [1] It’s been fascinating to see the…
Comparing product rankings by OpenAI, Anthropic, and Perplexity launched on April 9, 2025 with 125 votes, #365 of 7,818 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 1 year on.
In plain words
AI Product Rank is a search tool that compares how OpenAI, Anthropic, and Perplexity rank products and topics, displaying the citations each model uses. It lets users see which sources different AI models rely on when making recommendations, particularly as these models search the web in real time. The tool is designed for those interested in understanding how AI systems make product recommendations and what information sources influence their rankings.
written from the facts on this page · September 2026
From the sources
How do the top AI models rank your favorite products and brands?
In the maker’s words, at launch
Hi HN! AI Product Rank lets you to search for topics and products, and see how OpenAI, Anthropic, and Perplexity rank them. You can also see the citations for each ranking. We’re interested in seeing how AI decides to recommend products, especially now that they are actively searching the web. Now that we can…
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