Kling O3 4K
kling-o3-4kNative 4K Kling O3 generation with text, image, and reference-image workflows.
Pricing
Includes our margin. Charged per request from your balance.
- Generated per second
- $0.46
- Source video per second
- $0.51
- Default duration
- 5 s
- Supported durations
- 3–15 s
- Video reference billing
- Generated seconds, clamped to 3-15
Video edit billing: verified source-video seconds, rounded up and clamped to 3-16
Details
- Provider
- Kling
- Added
- Apr 23, 2026
Options
Parameters this model accepts.
| Parameter | Values | Default |
|---|---|---|
durationVideo duration in seconds | 3–15 seconds Default | 5 |
aspect_ratioText, reference and video-reference modes. Image-to-video and video edit follow the source. | Landscape (16:9), Portrait (9:16), Square (1:1) Default | 16:9 |
generate_audioEnable native audio generation | On or off Default | off |
source_video_modeChoose whether an uploaded video is edited directly or used as motion and scene guidance for a new video | Edit Video, Video Reference Default | video-edit |
keep_original_soundPreserve the uploaded source video audio in video-edit or video-reference mode | On or off Default | on |