Kling 4.0 to Launch in October with 4K, HDR and Multi-Keyframe Controls

The official Kling account has confirmed that Kling 4.0 will launch in October 2026. Kling 4.0 Flash is now available to Ultra Yearly subscribers.

According to the announcement, Kling 4.0 introduces upgraded audio and visuals, featuring stable dynamic motion, high-quality stereo audio, more accurate lip sync, up to 4K resolution, and 10-bit HDR output. The new version also supports up to 15 multi-modal references for more consistent results and enhanced video editing, as well as multi-keyframe control with up to 10 keyframes.

Kling 4.0 enables native 30-second generation and offers video extension, with support for multiple languages, accents, and dialects. The company said the new model brings video creation to a new level of visual realism, creative control, and narrative completeness.