OpenAI submits confidential SEC draft S-1 at $852B valuation as ChatGPT tops 900M weekly users

OpenAI said it confidentially submitted a draft S-1 to the U.S. SEC on June 8, 2026, as it weighs a potential IPO at an $852 billion post-money valuation. The company stated it has not decided on timing and could remain private, even as ChatGPT reports 900 million+ weekly active users and about 50 million paying subscribers.