ChatGPT now reaches 1.2 billion people every week, OpenAI says

Sep 29, 2026

OpenAI is nearing a $70 billion annualized revenue rate, up about 70 percent since the start of Q3, Axios first reported. The ARR metric projects current monthly revenue over a full year. Anthropic's rate reportedly passed $65 billion in July and may now match or exceed OpenAI's. Anthropic is preparing an IPO as early as November.

OpenAI's growth is driven by enterprise sales and an aggressive price war against Claude and Chinese models, a strategy the company doubled down on with the just-launched GPT-6.1-Sol. The Codex coding assistant is also growing fast, riding the popularity of the GPT-6 model family.

At DevDay, OpenAI shared updated usage numbers: more than 1.2 billion weekly ChatGPT users, over 35 million weekly ChatGPT Work and Codex users, and 2.5 million businesses on OpenAI products. The big question is whether revenue can grow fast enough to cover the massive data center bills.

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