Video
Kling 4.0 Flash
Kling 4.0 Flash generates videos from text prompts at 720p, with durations from 3 to 20 seconds and configurable aspect ratios.
- Text to video
- Image to video
- Video editing
Catalog preview.
Technical details
Supported inputs
kling/v4/flash/text-to-video
| Input | Type | Requirement | Options and limits |
|---|---|---|---|
prompt | Text | Required | Max. characters: 26000 |
aspect_ratio | Text | Optional | 16:9, 9:16, 1:1, 21:9 |
duration | Whole number | Optional | ≥ 3 · ≤ 20 |
resolution | Text | Optional | 720p |
Other modes and their inputs
Image to videokling/v4/flash/image-to-video
Supported inputs
kling/v4/flash/image-to-video
| Input | Type | Requirement | Options and limits |
|---|---|---|---|
start_image_url | Text | Required | — |
duration | Whole number | Optional | ≥ 3 · ≤ 20 |
prompt | Text | Optional | Max. characters: 26000 |
resolution | Text | Optional | 720p |
reference-to-videokling/v4/flash/reference-to-video
Supported inputs
kling/v4/flash/reference-to-video
| Input | Type | Requirement | Options and limits |
|---|---|---|---|
prompt | Text | Required | Max. characters: 26000 |
aspect_ratio | Text | Optional | auto, 16:9, 9:16, 1:1, 21:9 |
duration | Whole number | Optional | ≥ 3 · ≤ 20 |
elements | List | Optional | Max. items: 7 |
image_urls | List | Optional | Max. items: 10 |
resolution | Text | Optional | 720p |
start_image_url | Text | Optional | — |
video_urls | List | Optional | Max. items: 5 |
Video editingkling/v4/flash/video-to-video
Supported inputs
kling/v4/flash/video-to-video
| Input | Type | Requirement | Options and limits |
|---|---|---|---|
prompt | Text | Required | Max. characters: 26000 |
video_url | Text | Required | — |
duration | Whole number | Optional | ≥ 3 · ≤ 20 |
elements | List | Optional | Max. items: 7 |
image_urls | List | Optional | Max. items: 10 |
resolution | Text | Optional | 720p |
video_urls | List | Optional | Max. items: 4 |