Once the best of friends, OpenAI and its most important financial backer Microsoft Corp. are now involved in tough negotiations over the future of their partnership.

OpenAI and major investor Microsoft are reportedly renegotiating their partnership terms as OpenAI eyes a public listing.

OpenAI and Microsoft Corp. are revising the terms of their partnership that will enable the ChatGPT maker to go public at a future date while preserving the software giant’s access to artificial intelligence technology,