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

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.

Danone said on Monday it has agreed to buy a majority stake in Kate Farms, a U.S. maker of plant-based organic drinks that will fit into the French food giant's specialized nutrition portfolio.