OpenAI and Oracle will develop another 4.5 gigawatts of data center capacity, expanding a tie-up that has promised hundreds of billions of dollars in infrastructure investment to keep the U.S. ahead in the global artificial intelligence race.

OpenAI has struck a deal with Oracle to add an astounding 4.5 gigawatts of US data center capacity to power the massive workload required by its large language models. The companies haven't specified where these new centers will be built,