OpenAI Files Confidentially for IPO as AI Companies Rush to Wall St. The New York TimesOpenAI files for IPO, the latest in a stream of possible AI mega-sales CNNOpenAI files for US IPO after Anthropic as AI giants head to public markets ReutersWall Street Is Rushing to Fund the AI Bonanza in Every Conceivable Way WSJSam Altman's eye-scanning startup is laying off employees Business Insider