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Perplexity Faces Lawsuit Over Allegedly Misleading 'Incognito Mode'

Perplexity is being sued over allegations that its 'Incognito Mode' is misleading, claiming the company harvests user chat data for ad revenue despite marketing the feature as private.

Jessy
Jessy
· 1 min read
Updated Apr 3, 2026
A digital privacy concept, a sleek AI search interface on a screen showing a padlock icon with a blu

⚡ TL;DR

Perplexity faces a lawsuit for allegedly misleading users regarding the privacy of its 'Incognito Mode'.

Privacy Controversy: The Truth Behind “Incognito Mode”

AI-powered search service Perplexity is facing a significant class-action lawsuit alleging that its “Incognito Mode” is misleading and deceptive. The suit claims that while the platform markets the feature as a privacy-protecting tool, Perplexity has been harvesting user chat data—allegedly in collaboration with tech giants like Google and Meta—to bolster advertising revenue systems.

Legal Focus: Consumer Protection and Deceptive Practices

According to reporting by Ars Technica, the lawsuit brings the definition of “private browsing” back to the forefront of legal scrutiny. Legal experts point out that if a platform markets a service as “Incognito” or “private” while simultaneously harvesting user data for ad revenue without explicit consent, it may be in violation of several state and federal privacy laws, including various consumer protection acts. The core of the legal argument revolves around whether the company’s business practices constitute fraudulent or deceptive behavior under existing consumer law.

If the allegations are proven true, Perplexity could face substantial financial penalties, and more importantly, its reputation as a privacy-conscious AI service provider could be severely damaged.

The Future of Privacy Governance

This lawsuit serves as a wake-up call for the broader AI industry. As AI services play an increasingly central role in daily professional and personal workflows, user anxiety regarding data privacy is escalating. The Perplexity case highlights the critical tension companies face when trying to balance business growth with user trust.

As privacy regulations evolve, it is expected that more AI tools will be forced to disclose the transparency of their data handling protocols. For users, the Perplexity lawsuit serves as an important reminder: in the age of AI, a feature label like “Incognito” does not necessarily equate to data deletion or total anonymity.

FAQ

Why is Perplexity being sued?

The lawsuit alleges that Perplexity misled users by marketing its 'Incognito Mode' as private while secretly harvesting chat data to boost its advertising revenue.

What does this mean for the user?

It highlights potential pitfalls in current AI privacy promises, suggesting that data may still be collected and used for advertising, even in modes labeled as 'private'.

How will this affect the AI industry?

The industry will likely face increased regulatory pressure to be more transparent about how data is used, and legal standards for defining 'private' browsing in AI search may become much stricter.