Grok Imagine 1.5 Image-to-Video

Grok Imagine 1.5, img-to-video only, continuous duration.

Modes

img→video only

Size

720x1280 / 1280x720 / 1024x1024 / 1792x1024 / 1024x1792 (same as 1.0-video)

Seconds

continuous 6–15

Refs

exactly 1 required

Billing

per second

Model notes

• Image-to-video only: exactly 1 reference image required.
• Duration is continuous: 6–15 seconds.
• Same 5 fixed sizes as grok-imagine-1.0-video.

Request example

{
  "model": "grok-imagine-video-1.5-preview",
  "prompt": "the photo comes alive",
  "seconds": 8,
  "reference_images": ["https://.../ref.png"]
}