A third of webpages published since ChatGPT’s launch show signs of AI authorship, study finds

A Pew Research analysis of nearly 500,000 English-language pages from the Common Crawl shows that 35% of pages published after ChatGPT’s November 2022 launch exhibit strong AI-authorship signals, based on Open Pangram detection. .com sites display roughly ten times the AI-written rate of .edu or .gov domains, while .org sites register 4.6%.