White House artificial intelligence czar David Sacks said there’s “substantial evidence” that Chinese upstart DeepSeek leaned on the output of OpenAI’s models to help develop its own technology.

U.S. officials are looking at the national security implications of the Chinese artificial intelligence app DeepSeek, White House press secretary Karoline Leavitt said on Tuesday, while President Donald Trump's crypto czar said it was possible that intellectual property theft could have been at play.

David Sacks says OpenAI has evidence that Chinese company DeepSeek used a technique called "distillation" to build a rival model.

US president Donald Trump called Chinese AI startup DeepSeeks arrival in the artificial intelligence (AI) space a “wake-up call” for American companies.

White House Press Secretary Karoline Leavitt said at her first press briefing that the National Security Council was "looking into" the potential security implications of AI breakthroughs from China's DeepSeek,