Here’s why Microsoft is key holdout for OpenAI’s restructuring plan

After months of public pressure, OpenAI walked back part of its effort to create a more conventional for-profit company, but its restructuring plans still have not received the blessing of a major stakeholder: Microsoft Corp.

Microsoft, which has invested $13.75 billion in the startup, remains the biggest holdout among investors as the ChatGPT maker tries to restructure, according to several people familiar with the matter.