Observed Signal · Apr 7, 2026 · Lawsuit · Source: onlinemarketing.de · Impact: 4/5 · Sentiment: Negative
Perplexity accused of sharing millions of chats with Meta, Google
A class-action lawsuit alleges that Perplexity transmitted millions of chat transcripts — including sensitive health, finance and legal conversations — to Meta and Google via integrated advertising trackers, even when users used incognito mode. The complaint (covering December 2022–February 2026) claims trackers such as Meta Pixel, Google Ads and DoubleClick captured prompts, follow-up questions and full chat links, and that Perplexity sometimes sent incognito sessions together with email addresses and other identifiers. Plaintiffs seek damages of more than $5,000 per violation. Google has said platforms are responsible for how they handle collected data; Meta and Perplexity have not issued comprehensive responses. The case follows other legal disputes involving Perplexity, including an October 2025 Reddit suit alleging content scraping via third parties like SerpApi.
Allegations involve large-scale sharing of sensitive AI chat data with major ad platforms and seek substantial per-violation damages; could trigger regulatory scrutiny, enforcement, and changes to how trackers and conversational UIs are implemented across the ad-tech ecosystem.
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Key Takeaways & Evidence Grounding
- A class-action complaint alleges Perplexity transmitted millions of chat transcripts to Meta and Google, including sensitive health, finance and legal content.
- The suit covers chats from December 2022 to February 2026 and seeks damages of over $5,000 per violation.
- Plaintiffs say integrated advertising trackers (named in reporting as Meta Pixel, Google Ads and DoubleClick) captured prompts, follow-up questions and full chat links and forwarded them to third parties.
- The complaint alleges that Perplexity sometimes transmitted incognito sessions together with email addresses and other identifiers, meaning incognito mode offered no protection.
- Google said platforms are responsible for handling collected data; Meta and Perplexity have not provided comprehensive public responses. The case follows a separate October 2025 lawsuit by Reddit accusing third parties (e.g., SerpApi) of scraping content for Perplexity.
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Class Action Says Perplexity Shared Chats with Meta, Google
A class-action lawsuit accuses AI search/chat startup Perplexity of forwarding millions of user chat logs — including sensitive finance, health and legal information — to Meta and Google, allegedly even when users were in Incognito mode. The complaint covers chats from December 2022 to February 2026 and claims trackers captured prompts, follow-up questions and full chat links, plus identifiers like email addresses. Plaintiffs seek statutory damages of more than $5,000 per violation and potential additional penalties. The filing also notes a pattern of legal disputes involving Perplexity, citing an October 2025 lawsuit from Reddit over alleged content scraping via third parties such as SerpApi. Meta and Perplexity have not made comprehensive public statements; Google said platforms are responsible for how they handle collected data.
Reddit Sues Perplexity for Content Theft
Reddit filed a lawsuit alleging illegal scraping of Reddit and Google content by Perplexity and a group of scraper firms (Oxylabs UAB, AWMProxy, SerpApi) to power AI answers and related services, with the data later sold to third parties. Reddit claims Perplexity is involved with at least one defendant and accuses the firms of bypassing Reddit and Google controls to obtain copyrighted user content. The complaint states Reddit receives high millions of dollars from Google and OpenAI for data sharing and describes the data ecosystem as a key source for AI developers. The Information and Forbes are cited regarding connections between Perplexity, SerpApi, and scraped content, and Forbes alleges plagiarism by Perplexity in 2024. Perplexity denies the allegations and says it will vigorously defend user access to public knowledge. The case could set an important precedent for data rights and AI training data governance in the digital ecosystem.
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