kwaivgi/kling-v1.5-standard

Generate 5s and 10s videos in 720p 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	`—`	—
`start_image` *	string (uri)	First frame of the video.	`—`	—
`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
`negative_prompt`	string	Things you do not want to see in the video	`""`	—

prompt required string

Text prompt for video generation

start_image required string

First frame of the video.

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

negative_prompt string

Things you do not want to see in the video

Default: ""

Version: 81f5f9886d36 Updated: 6/26/2026 1.4K runs