# Proton’s AI Paper Trail reveals how much ChatGPT and Claude know about users

> Source: <https://discuss.privacyguides.net/t/proton-s-ai-paper-trail-reveals-how-much-chatgpt-and-claude-know-about-users/39963#post_1>
> Published: 2026-08-17 11:37:55+00:00

Proton said even seemingly harmless conversations can accumulate into a detailed profile covering a person’s work, relationships, identity, habits, and personal interests.