Kling Video O1

kling-video-o1 is Kling Omni video generation with reference video URLs. Its backend model schema is the source of truth for supported parameters.

Item	Value
Model ID	`kling-video-o1`
Type	Video
Region	Global / CN
Best For	Kling Omni video generation with reference video URLs

Recommended Request Shape

Call POST /v1/quote first and send exactly the same parameters when creating the task.

{
  "model": "kling-video-o1",
  "prompt": "A cinematic product reveal",
  "mode": "std",
  "duration": 5,
  "aspect_ratio": "16:9"
}

Field	Type	Required	Default	Description
`model`	`string`	Yes	-	Must be `kling-video-o1`
`prompt`	`string`	Yes	-	Video prompt
`reference_images`	`string[]`	No	-	Reference image URLs
`mode`	`string`	No	`std`	Quality tier: standard, pro, or 4K where supported
`duration`	`integer`	No	`5`	Output duration
`aspect_ratio`	`string`	No	`16:9`	Frame ratio
`reference_videos`	`string[]`	No	-	Up to 3 reference video URLs
`input_video_duration`	`number`	With video input	-	Actual processed input-video seconds; must be greater than 0

This model does not support an audio parameter.
has_video_input is derived from reference_videos by the server.
Do not send fields absent from the model schema; use the live GET /v1/models response as authoritative.

{
  "model": "kling-video-o1",
  "prompt": "A cinematic product reveal"
}