Sam Altman has emerged as President Trump's key tech ally in the wake of the fallout between Trump and Elon Musk.

As Elon Musk's once-powerful alliance with Donald Trump crumbles in a storm of public feuds, a new tech titan is rising to ...

While OpenAI leads the AI scene in the U.S., Perplexity is making bold moves to capture the fast-growing Indian market. The ...

While OpenAI has cemented its lead in the U.S., Perplexity is taking a different route — quietly expanding into India to ...