Detect Deepfakesby Resemble AI
Deepfake case study · Multi-modal

Reddit users in r/ChangeMyView deepfake (Apr 2025)

Researchers at the University of Zurich seeded over 1700 comments generated by large language models (LLMs) into the r/ChangeMyView subreddit to gauge reactions. The AI comments were reportedly three to six times…

Incident date
Apr 2025
Target
Reddit users in r/ChangeMyView
Updated May 6, 2026 · 1 min read

Researchers at the University of Zurich seeded over 1700 comments generated by large language models (LLMs) into the r/ChangeMyView subreddit to gauge reactions. The AI comments were reportedly three to six times more persuasive than human users in changing viewpoints. Moderators informed the community after the experiment was disclosed.

Sources