Nvidia could invest $250bn in OpenAI's 10Gw Ohio data center — but costs could balloon to $500bn

Nvidia is considering providing $250 billion in financing guarantees for OpenAI's planned 10-gigawatt AI data center in Ohio, with total project costs potentially exceeding $500 billion including chip purchases. The facility aims to give OpenAI greater control over its computing infrastructure, with the first phase expected by 2028.