ByteDance’s AI-video creator draws buzz for its realistic scenes and a backlash over privacy and copyright.

While American tech giants are spending megabucks to learn the secrets of their rivals’ proprietary artificial-intelligence (AI) models, in China a different battle is under way. It is what Andrew Ng, ...

"Competition in AI video generation models is at an earlier stage, and some Chinese companies have emerged as early leaders in this space," said Wei Xiong, China internet analyst at UBS Securities.

In the year since DeepSeek, a little-known artificial-intelligence lab from China, shocked the world with a whizzy new model, the country’s clout in AI has only grown. It is now the undisputed global ...