OpenAI has tried to change its deal with Microsoft; Microsoft has tried hedging its bet on OpenAI. The “best bromance in tech” may be unraveling.

Are Microsoft and OpenAI going from bromance to frenemies? Two new reports on the companies suggest that may be the case.

The alliance between the technology giant and the company behind OpenAI has been hugely consequential — but a disruption could shake up the A.I. race.

The two companies each hired a major investment bank to negotiate how big Microsoft’s share in OpenAI will be after its $14 billion investment.

The New York Times on Thursday published a look at the “fraying” relationship between OpenAI and its investor, partner, and, increasingly, rival, Microsoft, reporting their five-year romance has cooled owing to financial pressure on OpenAI,