“Its search volume, it says, is approximately 20% of Google’s.”
Every number here is OpenAI’s own, handed out at a dinner OpenAI hosted. The headline says 250 million people speak with ChatGPT. The body says that is weekly users of voice mode and dictation combined. The one question that matters is whether a chat with five lookups counts as one search or five. The answer sits behind the paywall. Until someone shows the math, “20% of Google” is a press release with appetizers.