OpenAI’s fund raising boom slows amid mounting debt

OpenAI has been the darling of investors, having raised more than $168bn so far. But with still no profitable business model in sight, big tech investors like Nvidia and Microsoft are starting to slow down.

On Wednesday, Nvidia CEO Jensen Huang said the company is set to invest another $30bn into OpenAI but said it “might be the last time” the company will invest in the Sam Altman-led AI giant t...