Video Generation Model
Kling 4.0 Flash
Video by Kling
Publisher
Kling
KlingTypeVideo
Context Window2,500 tokens
ReleasedNovember 2026
Price$0.094-$0.126/second
Provider
WaveSpeed
WaveSpeedReady to build with Kling 4.0 Flash?
Get Started FreeConfiguration
Parameters & options
ModeSelect
First FrameImage URLimage-to-video only
Video to EditVideo URLvideo-edit only
The clip to change, as the prompt describes. The result keeps its length.
Reference ImagesImage URL Arrayreference-to-video, video-edit only
Up to 10. Refer to them in the prompt as @Image1, @Image2, ...
Reference VideosVideo URL Arrayreference-to-video only
Up to 5, guiding motion, camera and pacing.
Keep Original SoundToggle Groupreference-to-video, video-edit only
Keep the video's own sound.
Aspect RatioSelecttext-to-video, reference-to-video only
Duration (seconds)Numbertext-to-video, image-to-video, reference-to-video only
Wan
X.ai
HeyGenStart building with Kling 4.0 Flash
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