Amazon has told Perplexity to get its agentic browser out of its online store, the companies both confirmed publicly on Tuesday. After warning Perplexity multiple times that Comet, its AI-powered shopping assistant, was violating Amazon’s terms of service by not identifying itself as an agent, the ecommerce giant sent the AI search engine startup a sternly worded cease-and-desist letter, Perplexity wrote in a blog post entitled “Bullying is not innovation.”

“This week, Perplexity received an aggressive legal threat from Amazon, demanding we prohibit Comet users from using their AI assistants on Amazon. This is Amazon’s first legal salvo against an AI company, and it is a threat to all internet users,” Perplexity lamented in the blog post.

Perplexity’s argument is that, since its agen

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