OpenAI has filed documents for an initial public offering, with some outlets reporting that the filing was confidential. The company has also announced plans for "automated AI researchers" and launched a new product called ChatGPT Work, which is seen as adding to the competition for professional AI tools. The details of the IPO filing, including its timing and specifics, are not fully clear, with some reports suggesting that the company aims to remain private for a while despite taking this step.