More articles are now created by AI than humans

"A research team from Vertical AI growth agency Graphite evaluated the prevalence of AI-generated articles from a dataset spanning January 2020 until May 2025. Their research reveals that in November 2024, the quantity of AI-generated articles being published on the web surpassed the quantity of human-written articles. The research indicates significant growth in AI-generated articles coinciding with the launch of ChatGPT in November 2022. After only 12 months, AI-generated articles accounted for nearly half (39%) of articles published, per one Graphite evaluation."

"AI-Generated Article Growth has Plateaued While AI-generated articles grew dramatically after ChatGPT launched, Graphite's research suggests that trend will not continue. Instead, the proportion of AI-generated articles has remained relatively stable over the last 12 months. This may be because practitioners found that AI-generated articles do not perform well in search, as shown in a separate study. In order to compile the research, the team needed a representative sample of English-language articles on the web."

"Since ChatGPT launched in November 2022, many companies have explored publishing content generated by LLMs such as ChatGPT, Claude, and Gemini to grow their traffic across channels such as Google Search, social, and advertising. This is a cost-effective alternative to spending hundreds of dollars for humans to write content. The quality of AI content is rapidly improving. In many cases, AI-generated content is as good or better than content written by humans, according to an MIT study."

LLM-generated content usage surged after ChatGPT’s November 2022 launch, with many companies publishing AI-produced articles to increase traffic across search, social, and advertising channels. AI content quality has rapidly improved, with studies finding AI outputs often match or exceed human writing and human detection of AI content frequently unreliable. Graphite evaluated a dataset spanning January 2020 to May 2025 and observed AI-generated articles surpassed human-written ones in November 2024 and reached about 39% of published articles within 12 months of ChatGPT’s release. AI article share has since plateaued, possibly because AI content underperforms in search. The dataset used 65,000 randomly selected CommonCrawl URLs filtered for English, article schema, and a minimum length of 100 words.

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