Fox News anchor John Roberts offered an important fact-check on X, Elon Musk's social media platform formerly known as Twitter: that he was still breathing.

"This is a big moment," Gary Marcus, a professor emeritus of psychology and neuroscience at New York University, who specializes in AI, told ABC News. DeepSeek did not immediately respond to ABC ...

RELATED: Elon Musk debuts 'Grok' AI bot to rival ChatGPT What they're saying: Experts told the Wall Street Journal that DeepSeek’s technology is still behind OpenAI and Google. However ...

prompting Silicon Valley investor Marc Andreessen to declare that we have reached "AI's sputnik moment." The analogy implies that the product threatens American AI dominance in a way comparable to ...

Update at 6.18 am ET: Stock moves updated. The artificial intelligence race has taken a surprising turn, with Chinese AI startup DeepSeek's large language model outperforming American rivals and ...