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.

The little-known artificial intelligence firm has emphasized research, even as it emerged as the brainchild of a hedge fund.

The 40-year-old founder of China’s DeepSeek, an AI startup that has startled markets with its capacity to compete with industry leaders like OpenAI, kept a low profile as he built up a hedge fund and then refined its quantitative models to branch into artificial intelligence.