Kling 4.0 Enters Closed Beta With Stable Motion and 30-Second Takes

Kling 4.0 is in closed beta, with an official launch planned for October, and supports video up to 30 seconds long with up to 4K resolution and 10-bit HDR output. Creator Johnson Sheng reports stable dynamic motion, consistent characters and props across shots, and an unedited 30-second fight sequence, while noting that Kling 4.0 is aimed at commercial production.