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.

OpenAI—which faces multiple lawsuits for using content without permission—accuses DeepSeek of 'distillation,' a technique that use larger models' outputs to improve smaller ones.