Alibaba Group Holding Ltd. unveiled a new version of its AI assistant mobile app that incorporates its latest in-house model, another in a series of product rollouts intended to help the company keep pace with Chinese artificial intelligence rivals.It re-tooled the Quark app to take advantage of its flagship Qwen reasoning model. “New Quark” now integrates functions including a chatbot, deep thinking and task execution into a one-stop app, the company said in a statement. Based on a web browser ...