Silicon Valley splits over closing the borders to Chinese AI

For years, a philosophical divide over how artificial intelligence software should be created has split Silicon Valley technologists.This week, that argument reached a boiling point.On one side are leading AI companies like Anthropic and OpenAI, which claim that AI models are too dangerous to be developed in the open and must be tightly controlled — by businesses like themselves — for safety. On the other is the rest of the tech industry, including giants like Microsoft and Nvidia, which contend that so-called open-source AI models must remain open for people to further develop technologies and build new businesses.Those camps have started publicly clashing. On Friday, Jensen Huang, Nvidia’s CEO, said in his first-ever post to the social platform X that “the world needs both frontier close