Grok Imagine Video 1.5

xAI · Video Generation

POST /v1/videos/generations

Image-to-video model that animates a source image with prompt-guided motion, up to 15 seconds at 480p or 720p across seven aspect ratios.

At a glance

Field	Value
Model id	`grok-imagine-video-1-5`
Input modalities	Text, Image
Output modalities	Video
Context window	—
Weight precision	-
Features	—
Native inference	No
New	Yes
Supported endpoints	`POST /v1/videos/generations`

Pricing

Charge	Spec	Rate
Image input	per image	$0.013
480p	per second	$0.104
720p	per second	$0.182

Example request

$ curl https://api.empiriolabs.ai/v1/videos/generations \
>   -H 'Authorization: Bearer $EMPIRIOLABS_API_KEY' \
>   -H 'Content-Type: application/json' \
>   -d '{"model": "grok-imagine-video-1-5", "prompt": "sunrise over the ocean", "duration": 6}'

Parameters

Parameter	Type	Required	Default	Description
`prompt`	string	yes	—	Describe the motion and action to animate from the source image.
`image`	string	yes	—	Source image to animate. Public image URL, data URI, or uploaded image.
`duration`	number	no	`8`	Length of the generated video in seconds. · Range: 1 – 15
`resolution`	enum	no	`"480p"`	Output resolution. 480p renders faster, 720p is higher definition. · Allowed: `480p`, `720p`
`aspect_ratio`	enum	no	—	Output aspect ratio. Defaults to the source image aspect ratio when omitted. · Allowed: `1:1`, `16:9`, `9:16`, `4:3`, `3:4`, `3:2`, `2:3`

Notes

Image-to-video model. Provide a source image and a prompt describing the motion to animate.

Defaults

8 second duration (1 to 15 seconds supported)
480p output (480p or 720p)
Aspect ratio follows the source image unless set

Controls

Supports a source image (URL or upload), prompt, duration, resolution, and aspect ratio. Billing is per second of generated video.

Machine-readable schema: GET https://api.empiriolabs.ai/v1/models/grok-imagine-video-1-5.

$	curl https://api.empiriolabs.ai/v1/videos/generations \
>	-H 'Authorization: Bearer $EMPIRIOLABS_API_KEY' \
>	-H 'Content-Type: application/json' \
>	-d '{"model": "grok-imagine-video-1-5", "prompt": "sunrise over the ocean", "duration": 6}'