OpenAI has confidentially filed an S-1 form for an initial public offering, the company said in a brief statement on Monday, about one week after artificial intelligence rival Anthropic did the same as several of the largest companies in the industry prepare to go public.

In a brief statement released on Monday evening, OpenAI said it expected news of the confidential filing to leak, prompting it to announce the filing early.

The company said it hasn’t decided when the highly anticipated IPO would take place, warning that quote “it may be a while because there are things we want to do that are likely easier as a private company.”

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