OpenAI is clamping down on people who stack several paid ChatGPT accounts on one phone or laptop. New help pages, updated over the weekend, say ChatGPT now limits how many paid accounts you can use on one device, and can block a new subscription if your card or device already has too many.

The office building at 1515 Third Street in San Francisco's Mission Bay, one of two buildings OpenAI leased from Uber in 2023 for its headquarters, in June 2025. Photo: Coolcaesar / Wikimedia Commons, CC BY 4.0, modified