DeepSeek has gone viral. Chinese AI lab DeepSeek broke into the mainstream consciousness this week after its chatbot app rose to the top of the Apple

We put its chatbot to the test in New York on Tuesday and Wednesday, asking it a battery of questions on sensitive topics that are routinely the subject of censorship within China, including the so-called taboo “three Ts”: Tiananmen, Taiwan and Tibet. We also asked the same questions of OpenAI’s ChatGPT.

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.