Tencent Holdings-backed artificial intelligence (AI) start-up StepFun is doubling down on multimodal models, a strategic move that highlights how Chinese tech companies seek to differentiate themselves in an increasingly competitive sector. StepFun was one of the pioneering AI labs in China specialising in multimodal models, company founder and CEO Jiang Daxin said in an interview with Tencent’s news portal on Saturday. Multimodal models are designed to understand multiple types of input data...