Thrive Capital is investing more than $1 billion of OpenAI's current $6.5 billion fundraising round, and it has a sweetener no other investors are getting: the potential to invest another $1 billion next year at the same valuation if the AI firm hits a revenue goal,

Apple is no longer in talks to participate in an OpenAI funding round expected to raise as much as $6.5 billion, an 11th hour end to what would have been a rare investment by the iPhone maker in another major Silicon Valley company.