On August 22, Keling AI officially launched its new first-last frame functionality based on the 2.1 model, delivering a 235% improvement in performance compared to the 1.6 model. The upgrade demonstrates exceptional capabilities across video transitions, visual impact, complex camera movements, and creative marketing dimensions. Professional evaluations indicate that its overall GSB scores comprehensively surpass both Midjourney and Seedance 1.0 mini. The introduction of Keling 2.1's first-last frame feature further enhances the controllability of AI video generation, making it broadly applicable to creative production scenarios including advertising and marketing, film and television, short dramas, and animation.