https://arstechnica.com/information-technology/2023/01/openai-and-microsoft-reaffirm-shared-quest-for-powerful-ai-with-new-investment/

On Monday, AI tech darling OpenAI announced that it received a "multi-year, multi-billion dollar investment" from Microsoft, following previous investments in 2019 and 2021. While the two companies have not officially announced a dollar amount on the deal, the news follows rumors of a $10 billion investment that emerged two weeks ago.