Kling 4.0 Flash launches now for Ultra Yearly subscribers; Kling 4.0 arrives October

Kling AI says its Kling 4.0 Flash is live now for Ultra Yearly subscribers, with the full Kling 4.0 coming this October. The update advertises up to 4K resolution, 10-bit HDR output, stereo audio, and native 30-second generation. It also adds Omni Reference supporting up to 15 multimodal references and multi-keyframe control with up to 10 keyframes.