PANews reported on May 21 that, according to Zhitong Finance, OpenAI is expected to secretly file its IPO prospectus as early as this Friday, preparing for what could be one of the largest IPOs in history. Sources familiar with the matter revealed that OpenAI is working with investment banks such as Goldman Sachs and Morgan Stanley, planning to complete the secret filing within the next few days or weeks. Currently, OpenAI's valuation in the private market exceeds $850 billion. An OpenAI spokesperson stated, "As part of normal corporate governance, we regularly evaluate various strategic options. The company's current focus remains on executing its business." The report suggests that OpenAI may launch its IPO as early as the fourth quarter of this year.