T-Mobile US said it would partner with OpenAI to build an artificial-intelligence platform designed to help the telecom ...

“This is one of our most important partnerships, but we hope it inspires a lot of other people to see like what you can do for customers with AI,” OpenAI CEO Sam Altman said during the T-Mobile’s ...

T-Mobile US Inc. outlined its growth ambitions for the next three years on Wednesday, forecasting higher profit fueled by ...

T-Mobile US Inc. expects to increase earnings before interest, taxes, depreciation and amortization to as much as $39 billion ...

CEO Kelly Ortberg says he will take a pay cut; credit-ratings firms have warned of a downgrade. OpenAI CEO Sam Altman says customer data won't be used to train its base AI models.