Trump calls tariffs America's "big power over China," but analysts say Beijing may be better prepared than ever to engage in a trade war with the U.S.

SINGAPORE—The unexpected success of Chinese AI startup DeepSeek has revealed cracks in U.S. efforts to contain China’s technology ambitions, challenging both Washington and Silicon Valley to rethink how best to preserve American supremacy.

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

By Aditya Soni, Zaheer Kachwala (Reuters) -Chinese startup DeepSeek's cheaper AI is sharpening investor scrutiny of the billions U.S. tech giants are pouring to develop the technology and analysts say it will dominate this week's much-awaited results from industry bellwethers.

Chinese tech startup DeepSeek ’s new artificial intelligence chatbot has sparked discussions about the competition between China and the U.S. in AI development, with many users flocking to test the rival of OpenAI ‘s ChatGPT.

President Donald Trump said DeepSeek’s AI advances should be a “wake-up call” for the U.S.

DeepSeek, a Chinese artificial-intelligence startup that’s just over a year old, has stirred awe and consternation in Silicon Valley after demonstrating AI models that offer comparable performance to the world’s best chatbots at seemingly a fraction of their development cost.