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Amazon Sues Perplexity Over AI Shopping Agent That Secretly Accessed Customer Accounts

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Amazon has filed a lawsuit against Perplexity AI, accusing the fast-growing startup of illegally accessing Amazon customer accounts through its automated “agentic” shopping feature. The complaint, filed Tuesday in a U.S. District Court in California, claims Perplexity’s Comet browser and AI agent disguised automated activity as human browsing to place orders on behalf of users.

The dispute marks a major flashpoint in the debate over regulating AI “agents” — autonomous digital assistants that can navigate websites, make purchases, and perform other online tasks on users’ behalf. Amazon said Perplexity’s technology posed security risks and had repeatedly ignored requests to stop unauthorized activity on its platform.

“Perplexity’s misconduct must end,” Amazon said in its filing, adding that the startup’s software “purposely disguised its automated activity” and that its actions were “no less unlawful” than a physical break-in.

Perplexity, whose AI tools have surged in popularity amid the rise of conversational assistants, previously dismissed Amazon’s complaints, calling them an attempt to stifle innovation and protect its ad-driven business model. “Bullying is when large corporations use legal threats to block innovation,” the startup said in an earlier blog post.

Amazon argued that Perplexity’s AI agent interfered with its ability to deliver a personalized shopping experience, undermining systems built over decades. The company added that third-party apps making purchases for users must act transparently and respect site policies.

Perplexity said its Comet AI assistant allows users to shop and compare products autonomously, while keeping login credentials stored locally, not on company servers. It argued that consumers have the right to choose their own AI shopping tools — a stance that could shape future legal battles over the limits of AI automation in e-commerce.

Reddit Sues Perplexity for Allegedly Scraping Data to Train AI Search Engine

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Reddit has filed a lawsuit in a New York federal court against artificial intelligence startup Perplexity, accusing it of unlawfully scraping Reddit data to train its AI-based “answer engine.” The complaint also names three other companies — Lithuania-based Oxylabs, Russia-based AWMProxy, and Texas-based SerpApi — alleging that they bypassed Reddit’s data protection systems to extract massive amounts of content.

According to Reddit, Perplexity “desperately needs” the stolen data to strengthen its search capabilities. The platform, home to thousands of user-driven “subreddit” communities, said its content is one of the most frequently cited sources for AI-generated responses. Reddit has legally licensed its data to OpenAI, Google, and other companies, but claims Perplexity acted without authorization.

The lawsuit follows similar cases across the tech industry involving unauthorized use of copyrighted materials to train AI models. Reddit had previously sued Anthropic in June for similar conduct. Perplexity rejected the accusations, calling its methods “principled and responsible.” Meanwhile, Reddit’s chief legal officer Ben Lee accused AI firms of engaging in “industrial-scale data laundering.”

Reddit is seeking financial damages and a court order preventing Perplexity from continuing to use its content.

OpenAI Seeks Dismissal of xAI’s Trade-Secret Lawsuit, Calls It Part of Musk’s “Ongoing Harassment”

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OpenAI has asked a U.S. federal judge to dismiss a lawsuit filed by Elon Musk’s startup xAI, which accuses the company of poaching employees to steal trade secrets. In a filing submitted Thursday, OpenAI described the case as part of Musk’s “ongoing harassment” campaign against the company he once co-founded.

The San Francisco lawsuit, filed by xAI last week, claims OpenAI engaged in a “deeply troubling pattern” of recruiting former xAI staff to gain access to proprietary information about its AI chatbot Grok, which it alleges is more advanced than ChatGPT.

OpenAI denied all allegations, calling them “false and unsubstantiated.” The company argued that employees are free to change jobs and that OpenAI has the right to hire talent from any competitor. “Under Musk’s leadership, talented xAI employees are leaving in droves, and some are coming to OpenAI to help advance OpenAI’s mission,” the filing stated. “Those employees have every right to go where they choose.”

OpenAI’s filing further accused Musk of using litigation as a distraction from xAI’s internal struggles, saying the startup is “hemorrhaging talent” to other firms. “This case is an attempt to intimidate OpenAI and distract from the failures of [Musk’s] own competitive AI effort,” the company argued.

Neither Musk’s representatives nor xAI’s attorneys immediately responded to requests for comment.

The dispute adds to a growing web of legal battles between Musk and OpenAI. Musk has already sued OpenAI and CEO Sam Altman over the company’s shift from a non-profit to a for-profit structure, while OpenAI has countersued Musk for harassment. Separately, xAI has sued Apple, alleging it conspired with OpenAI to suppress rival AI platforms—claims that both companies have denied and sought to have dismissed.

The escalating conflict underscores the intensifying rivalry within Silicon Valley’s AI race, where talent mobility, corporate secrecy, and massive investments have become flashpoints in the battle to dominate next-generation artificial intelligence.