kwaivgi/kling-v1.5-pro

Generate 5s and 10s videos in 1080p resolution at 30fps

Capabilities

Negative Prompt

Cost

Community model (estimated from hardware time)

Input Parameters

Name	Type	Description	Default	Constraints
`prompt` *	string	Text prompt for video generation	`—`	—
`aspect_ratio`	string	Aspect ratio of the video. Ignored if start_image is provided.	`"16:9"`	16:9 9:16 1:1
`cfg_scale`	number	Flexibility in video generation; The higher the value, the lower the model's degree of flexibility, and the stronger the relevance to the user's prompt.	`0.5`	min: 0, max: 1
`duration`	integer	Duration of the video in seconds	`5`	5 10
`end_image`	string (uri)	Last frame of the video. A start or end image is required.	`—`	—
`negative_prompt`	string	Things you do not want to see in the video	`""`	—
`start_image`	string (uri)	First frame of the video. A start or end image is required.	`—`	—

prompt required string

Text prompt for video generation

aspect_ratio string

Aspect ratio of the video. Ignored if start_image is provided.

Default: "16:9"

16:9 9:16 1:1

cfg_scale number

Flexibility in video generation; The higher the value, the lower the model's degree of flexibility, and the stronger the relevance to the user's prompt.

Default: 0.5 min: 0, max: 1

duration integer

Duration of the video in seconds

Default: 5

5 10

end_image string

Last frame of the video. A start or end image is required.

negative_prompt string

Things you do not want to see in the video

Default: ""

start_image string

First frame of the video. A start or end image is required.

Version: 416c7db61493 Updated: 6/26/2026 3.9K runs