Using images in Grok Imagine Video 1.5

First frame

The uploaded image becomes the first frame of the video, and the model animates it according to the prompt. The video keeps the aspect ratio of the image, so the aspect ratio selector is not available in this mode.

The boat slowly drifts to the left, gentle ripples spread across the water.

References

Upload up to 7 images of people, clothing, objects, or places. The model brings them into a new scene, but the first frame is not a copy of any image.

The woman from @Image1 walks down a runway wearing the jacket from @Image2.
The camera slowly zooms in, soft studio light.

If the prompt does not mention the images, the model decides on its own how to use them and may ignore some of them.

The first frame and reference modes cannot be combined in one generation.