The rise of ‘AI Slop’: How low-quality AI videos are flooding YouTube feeds worldwide

Once a fringe term, “AI slop” has become part of the global vocabulary. In 2025, both The Economist and Australia’s Macquarie Dictionary highlighted the phrase as shorthand for the surge of low-quality, auto-generated content flooding the internet — from shallow articles and spammy videos to algorithmic filler produced at scale. That growing frustration has data to back it up.

A new report by Kapwing suggests that between 21% and 33% of YouTube feeds, as of October 2025, may consist of AI slop or closely related “brainrot” videos, underlining how…