At the heart of the dispute is OpenAI's desire to restructure to a for-profit business, a move that requires Microsoft's approval.

The Windsurf acquisition and future of Copilot are at the center of a growing rift between the longtime AI collaborators.

Microsoft’s partnership with OpenAI is complicated, and the pair are intertwined both technologically and financially. While it’s been widely reported that OpenAI shares 20 percent of its revenues with Microsoft, there are additional revenue-sharing agreements in place, according to sources who are familiar with the arrangement.