Kling AI Previews Kling 4.0 With 30-Second Native Clips and Multi-Reference Control

Kuaishou's Kling AI announced Kling 4.0 with single-pass clips of up to 30 seconds, up to 15 multimodal references and 10 keyframes; Kling 4.0 Flash opened to Ultra Yearly subscribers on September 28, with the full model due in October.