Nvidia has reached an agreement to invest as much as US$100 billion in OpenAI to support new data centres and other artificial intelligence infrastructure, a blockbuster deal that underscores the booming demand for AI tools like ChatGPT and the computing power needed to run them.The companies announced the agreement on Monday, saying they had signed a letter of intent for a strategic deal.The investment aims to help OpenAI build data centres with a capacity of at least 10 gigawatts of power....