Remy Reference/models/Kling 4.0

Kling 4.0

Kling 4.0, a video model from WaveSpeed.

videoModelOverride: { model: "kling-video-v4.0" }

KKling·served viaWaveSpeed·Released October 2026

Pricing

List price: $0.18-$0.27/second
Per generation: $0.00010

Specifications

Context window: 2,500 tokens
Aspect ratios: 4
Released: October 2026
Model string: kwaivgi/kling-v4.0/text-to-video

Parameters

Model options, passed in videoModelOverride.config.

Parameter	Type	Default	Range / options
`$mode`	Select	text-to-video	text-to-videoimage-to-videoreference-to-video
`image`	Image URL	—	—
`last_image`	Image URL	—	—
`keyframes` Middle frames in order, between the first and last. At most 10 frames in all.	Image URLs	—	—
`images` Up to 10. Refer to them in the prompt as @Image1, @Image2, ...	Image URLs	—	—
`videos` Up to 5, guiding motion, camera and pacing.	Video URLs	—	—
`audios` Up to 3 clips of 5 to 30 seconds, guiding voice and sound.	Audio URLs	—	—
`keep_original_sound` Keep the reference video's own sound. Needs a reference video.	Boolean	false
`aspect_ratio`	Select	16:9	16:99:161:121:9
`resolution`	Select	720p	720p1080p
`duration`	Number	5	3–30

Use this model

await mindstudio.generateVideo({
  prompt: "...",
  videoModelOverride: {
    model: "kling-video-v4.0",
    config: {
      aspect_ratio: "16:9",
      resolution: "720p",
    },
  },
});