The sudden rise of Chinese AI app DeepSeek has leaders in Washington and Silicon Valley grappling with how to keep the U.S. ahead in the crucial technology.

China wants to be the dominant player in AI by 2030 and the country is plowing enormous amounts of money into the AI infrastructure to compete with the US

DeepSeek has delighted the Chinese internet ahead of Lunar New Year, the country's biggest holiday. It's good news for a beleaguered economy and a tech industry that is bracing for further tariffs and the possible sale of TikTok's US business.

DeepSeek’s latest models, created by a small company with limited resources, are already beating many of the leading AI models in the United States.

SINGAPORE—A Chinese artificial-intelligence company has Silicon Valley marveling at how its programmers nearly matched American rivals despite using inferior chips. AI models from DeepSeek, the Chinese company,