- By mid-2025, approximately 35 percent of all new web pages will be fully or partially created with AI, compared to zero before the launch of ChatGPT in late 2022.
- The researchers found no statistical association between the increase in AI text online and factual errors.
- Concerns about degrading writing style, source links, and meaningful content were not confirmed in our measurements.
How was the study conducted?
A new study measured how AI-generated text influences not only what people believe about the internet, but also the content on the internet.
To obtain a representative sample, the researchers extracted web pages from the Internet Archive’s Wayback Machine. These pages were published over a 33-month period from 2022 to 2025, from August 2022 to May 2025. To determine whether a text was written by a human or an AI, Pangram v3, the most reliable detector of the four tools tested, was used.
They also asked 853 U.S. adults what they thought about six negative effects that AI texting could have. The sample was representative in terms of age distribution, gender, and ethnicity.
In fact, measurements show that as AI text increases, the curve tilts toward fewer factual errors. However, this correlation was not statistically significant, making the researchers’ conclusions more cautious. We found no evidence that AI text caused further factual errors on the internet.
Factual accuracy is maintained
As AI text increases, there is a general concern that the internet will be filled with misinformation. In the survey, 75.1% of respondents tended to agree with it.
The measurements showed otherwise. There was no statistical relationship between the proportion of AI text and the proportion of incorrect utterances (ρ = −0.19, p = 0.27). To check the facts, the researchers had a language model pull out specific claims from the page. Next, 50 people manually checked whether the claims were true.
Some concerns did not appear in the data
Three other concerns were also not confirmed. Although 83.0 percent believed that separate writing styles would disappear in favor of a unified voice, the measurement showed no association (ρ = 0.24, p = 0.17). 69.9 percent believed that articles would stop linking to external sources (ρ = −0.12, p = 0.48). 60.7 percent believed that the text would be longer but the voices would be fewer (ρ = −0.02, p = 0.89). These links were not found in the diagram.
Measurement found 2 links
Two of the six hypotheses were confirmed. AI pages had 33% more similarity in idea and perspective than human-written pages (0.0701 vs. 0.0526). AI pages also had a 107% higher percentage of positive words (0.7042 vs. 0.3400).
Less worry for frequent users
Those who frequently used AI tools were less likely to believe in negative effects than those who rarely used them (76.2 percent vs. 88.3 percent). Those with a negative view of AI believed in its impact more than those with a positive or neutral view (91.3 percent vs. 71.1 percent).
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