Microsoft Corporation (NasdaqGS:MSFT) is in talks to invest $10 billion into Openai, Inc. (OpenAI), which will value the San Francisco-based firm at $29 billion, Semafor reported on January 9, 2023, citing people familiar with the matter. The funding includes other venture firms and deal documents were sent to prospective investors in recent weeks, with the aim to close the round by the end of 2022, the report said. Microsoft declined to comment, while OpenAI did not immediately respond to Reuters' request for comment.

This follows a Wall Street Journal report that said OpenAI was in talks to sell existing shares at a roughly $29 billion valuation, with venture capital firms such as Thrive Capital Management, LLC and Founders Fund, Inc. buying shares from existing shareholders.