Kling 4.0

Kling 4.0 is a new generation of Kling's AI video model built for longer video generation, stronger creative control, and richer audio-visual output. It supports text-to-video, image-to-video, first and last frames, multi-keyframes, and Omni Reference workflows.

Kling 4.0 currently supports videos ranging from 3 to 30 seconds in length.

Yes. Kling 4.0 supports 4K and 1080p 10-bit HDR output.

Kling 4.0 supports up to 10 keyframe images as input.

Kling 4.0 supports up to 15 multimodal reference items across supported images, videos, voice references, and subject elements, subject to the documented per-type limits.

Yes. The supplied specifications list two-channel stereo audio, multilingual speech support, and improved lip synchronization.

Kling 4.0 expands native video duration to up to 30 seconds and adds stronger multi-keyframe and multimodal reference workflows. It also introduces updated audio, editing, and professional output capabilities.

Kling 4.0 Flash is a faster model in the Kling 4.0 lineup, optimized for frequent video creation and rapid creative iteration.