Internet Now Mainly Written by Machines, Study Finds



  • AI Now Writes Most Newly Published Articles Online, Graphite Study Finds
  • Despite the volume, most AI-generated articles do not appear in Google search results or ChatGPT responses.
  • AI-written content appears to have plateaued this year

According to a new study from Graphite, more new online articles are written by artificial intelligence than by humans. Using data from Common Crawl, Graphite found that AI-generated writing had surpassed the 50% mark of newly published web articles in November last year. That number has plateaued in recent months, but it’s still a big change in the way content is produced.

The study relied on AI detection tools applied to 65,000 English URLs from the Common Crawl archive, filtering out content with article markup and publication dates from 2020 to 2025. They classified each article as AI-generated or human-written based on whether more than 50% of its content matched AI detection criteria. It’s not that the detector is perfect. The study authors estimated false positive and false negative rates of approximately 4.2% and 0.6%, respectively.



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