Over 2.5 billion OpenAI messages, equivalent to about 18% of Google’s search volume; market share is a separate issue

OpenAI disclosed on July 22, 2025 that its AI tools, including ChatGPT, now process over 2.5 billion messages per day, which when compared against Google's disclosed 2025 global search volume of over 5 trillion queries annually (roughly 13.7 billion per day) yields a simple ratio of about 18%. However, the article cautions that this figure should not be interpreted as ChatGPT's search market share, since the two metrics measure different things: ChatGPT messages include writing, translation, and advice requests alongside information-seeking, while Google's figure counts only search queries. The comparison draws on OpenAI's Signals v3.0 data and Google's search trends disclosures. The distinction matters for investors assessing AI's disruption of the search advertising market, as headline ratios may overstate ChatGPT's substitution for Google search. Watch for future OpenAI usage disclosures and Google search volume updates to gauge whether AI tools are meaningfully eroding traditional search query volumes.