A central issue in the negotiations is determining how much equity Microsoft will receive in the restructured OpenAI in exchange for its $13bn investment.

The companies also are rewriting the terms of a wider contract that was drafted when Microsoft and OpenAI first unveiled an exclusive partnership in 2019, the Financial Times repo

Microsoft has been an important funder of OpenAI in recent years. However, the relationship is said to be strained. The future is currently being negotiated.