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

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.

DeepSeek, a Hangzhou-based startup founded in 2023, shot to the top of Apple’s App Store free app chart after releasing a new open-source AI model it says rivals OpenAI's work. Its website was hit by outages amid a spike in interest.

DeepSeek's innovative techniques, cost-efficient solutions and optimization strategies have forced established players to re-evaluate their approaches.

DeepSeek R1, the surprisingly efficient and powerful Chinese AI model, has taken the technology industry by storm and is rattling nerves on Wall Street.

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

DeepSeek’s emergence has raised concerns that China may have overtaken the US in the artificial intelligence race despite restrictions on its access to the most advanced chips.

Key Takeaways U.S. AI stocks sold off Monday, after an app from Chinese AI startup DeepSeek dethroned OpenAI's as the most-downloaded free app in the U.S. on Apple.DeepSeek claims its latest model’s performance is on par with that of American AI leaders like OpenAI,

Karen Hao, the first journalist to profile Open AI, discusses the new DeepSeek AI, whether it’s really just as good for that much cheaper, and how it might affect the US tech industry.