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

Details of the alleged deal could have considerable consequences for Microsoft, which currently has an agreement allowing it to access OpenAI's models until the end of the decade.

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.