
xAI Grok Imagine Video edits an mp4 with natural-language instructions. Output retains source duration, capped at 8.7s. Billed per second of the input video (output duration == input duration).
xai/grok-imagine-video/edit-video
xai/grok-imagine-video/extend-video
xai/grok-imagine-video/image-to-video
xai/grok-imagine-video/reference-to-video
xai/grok-imagine-video/text-to-video