Federal Judge Blocks Perplexity's Comet AI Browser From Accessing Amazon's Website

Mar 11, 2026
CNBC
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Summary

A federal judge grants Amazon a temporary injunction blocking Perplexity's Comet AI browser from accessing Amazon's website, citing strong evidence of unauthorized access, as Amazon claims the startup secretly used AI shopping agents to scrape its site and compromise customer data.

Key Points

  • A federal judge has granted Amazon a temporary injunction blocking Perplexity's Comet AI browser from accessing Amazon's website, citing 'strong evidence' that the browser operated without authorization.
  • Amazon, which sued Perplexity in November, claims the startup concealed its AI shopping agents to scrape its site, posing security risks to customer data and disrupting its advertising systems.
  • Perplexity has a one-week window to appeal the ruling and vows to fight for users' rights to choose their preferred AI, while Amazon calls the injunction a key step in protecting its shopping experience.

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