Chinese startup DeepSeek has debuted an AI app that challenges OpenAI's ChatGPT and other U.S. rivals, sending a shock through Wall Street.

Barrett Woodside, co-founder of the San Francisco AI hardware company Positron, said he and his colleagues have been abuzz about DeepSeek.

U.S. equity markets are set to open deep in the red as investors begin to digest the significance of DeepSeek’s AI reasoning model R1.

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Meta, Nvidia, and other tech giants react to DeepSeek's competitive, cost-efficient models that challenge established market players.

DeepSeek caused waves all over the world on Monday as one of its accomplishments — that it had created a very powerful A.I. model with far less money than many A.I. experts thought possible — raised a host of questions, including whether U.S. companies were even competitive in A.I. anymore.

Global investors are worried the emergence of a low-cost Chinese AI model will threaten the dominance of AI leaders.

Chinese AI startup DeepSeek's release of new AI models spurred a selloff in U.S. tech stocks, but some investors think the competitive concerns may be overblown.

Elon Musk, who is developing his own AI model, questioned whether Silicon Valley’s new Chinese rival had made up claims of being more efficient.

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

The Chinese start-up DeepSeek’s latest large language model has been described as a ‘Sputnik moment’ for the American tech industry