Chinese AI start-up Vast aims to take on global tech giants such as Tencent Holdings and Google in developing 3D AI models, which allow creators to generate three-dimensional visual content with text or image inputs, an increasingly competitive field that has seen the entrance of influential players such as AI pioneer Li Fei-fei.Beijing-based Vast, established in 2023, aims “to let everyone create 3D content with zero barriers and zero cost”, and potentially create a TikTok-like platform for...