
News from China upset U.S. markets Monday and disrupted the frenzy that had built up around artificial intelligence.
A company called DeepSeek said it had developed a large language model that can compete with U.S. AI giants but at a fraction of the cost. DeepSeek had already hit the top of the chart for free apps on Apple’s App Store by Monday morning, and analysts said such a feat would be particularly impressive given how the U.S. government has restricted Chinese access to top AI chips.