Entrepreneur Marc Andreessen, known for co-writing Mosaic, one of the world’s first web browsers, wrote Sunday on X that “DeepSeek R1 is AI’s Sputnik moment,” likening it to the space race between the U.S. and the Soviet Union and the event that forced the U.S. to realize that its technological abilities were not unassailable.

Chinese tech startup DeepSeek said it was hit by a cyber attack on Monday that disrupted users’ ability to register on the site

The fast-growing Chinese artificial intelligence company says it is temporarily halting new registrations due to a cyberattack. DeepSeek, the Chinese artificial intelligence company whose technology has rattled both Silicon Valley and Wall Street,

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.

News from China upset U.S. markets Monday and disrupted the frenzy that had built up around artificial intelligence

As of this morning, DeepSeek had overtaken ChatGPT as the top free application on Apple’s mobile-app store in the U.S. Researchers, executives, and investors have been heaping on praise. The new DeepSeek model “is one of the most amazing and impressive breakthroughs I’ve ever seen,