A examine from Profound of OpenAI’s ChatGPT, Google AI Overviews and Perplexity reveals that whereas ChatGPT largely sources its info from Wikipedia, Google AI Overviews and Perplexity largely supply their info from Reddit.
The examine checked out 30 million citations throughout ChatGPT, Google AI Overviews, and Perplexity from August 2024 to June 2025.
The findings:
- ChatGPT’s high supply/quotation for solutions was Wikipedia at 47.9%
- Google AI Overviews high supply/quotation for solutions was Reddit at 21%
- Perplexity’s high supply/quotation for solutions was Reddit at 46.7%
Right here is the breakdown for Google AI Overviews that reveals Reddit, adopted carefully by YouTube, then Quora, and Wikipedia solely reveals up at 5.7%:
Right here is the chart for ChatGPT displaying Wikipedia first, then Reddit at 11.3%:
Perplexity actually favors Reddit:
Looks as if, a minimum of for now, Reddit actually will get a whole lot of airtime throughout all three, however extra so Google and Perplexity.
Discussion board dialogue at X.
Replace: The parents at ahrefs posted an analogous examine just a few hours later however the outcomes are kinda totally different.