KKuaishou· Tech · 5 sources · 1dStoryKling Tests 30-Second AI Video Model With Select UsersKling 4.0 expands AI video generation with clips up to 30 seconds, multimodal references and keyframe controls to guide scenes and continuity. The launch comes as the Chinese video-generation company prepares for a possible Hong Kong listing and competes with ByteDance’s Seedance amid broader challenges monetizing AI video.Tech· 1d+2CommentShareWrite a comment…