Claude passed Gemini in monthly chatbot sessions in June and has stayed ahead every month since, according to a report published on November 9 by Graphite, a research and growth marketing firm. Graphite estimates Claude had 5.44 billion worldwide web visits and mobile app sessions in September, against 3.72 billion for Gemini. ChatGPT remains far ahead of both, with an estimated 61.35 billion sessions in September — 81.2 percent of the total across the six chatbots in the report.

Graphite built the count from Similarweb estimates. A session is one stretch of use, so the figures measure how much people use each chatbot, not how many people use it. Graphite puts Claude's session growth at 1,901 percent over the year, and says the surge appears to have come from the launch of Claude Cowork, the Opus 4.6 and Sonnet 4.6 model releases, and Anthropic's widely publicised standoff with the Pentagon.

The count has clear limits: it covers web and app sessions only, leaves out API and developer use, and Graphite says it has no reliable data source for desktop apps, so desktop use is understated. The report landed as Anthropic prepares its IPO: Bloomberg reported on November 9 that Anthropic can begin formally marketing the offering to investors as early as November 10, while its amended S-1 from November 2 still leaves the price range blank.