Stretching Time: How Kling AI’s “Extend Video” Feature is Redefining Long-Form AI Cinema

For a long time, the Achilles’ heel of generative AI video was its brevity. Creators could conjure hyper-realistic, breathtaking 4-to-5-second clips out of thin air or static images, but stitching them together into a coherent narrative felt like trying to glue smoke. Continuity issues, jarring style shifts, and abrupt character changes meant that creating a minute-long sequence was a grueling puzzle.