None of the 602 hidden web searches ChatGPT ran to write its answers mention Reddit, and 7.5% ask for reviews. ChatGPT's own searches ask for "best" roundups and official sources far more often than for opinions, even on shopping questions.
Source: Suff Digital analysis of 602 hidden ChatGPT searches behind 408 answers · ChatGPT with web search, September 2026
Source: ChatGPT's Hidden Searches Never Ask for Reddit: 0 of 602 Mention It - Suff Digital