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

OpenAI and Microsoft are reportedly calling it quits, but disentangling AI integration from Microsoft programs could prove tricky.

OpenAI executives have considered accusing Microsoft, the company's major backer, of anticompetitive behavior in their partnership, the Wall Street Journal reported on Monday, citing people familiar with the matter.