Alibaba Group Holding and Zhipu AI have launched new open-source models as China’s rivalry with the US in artificial intelligence heats up.On Tuesday, Alibaba released Wan2.2, which it claimed was the industry’s “first open-source large video generation models incorporating the Mixture-of-Experts (MoE) architecture”. Alibaba owns the South China Morning Post.MoE is a machine-learning approach that divides an AI model into separate sub-networks, or experts – each focused on a subset of the...