For AI agents: a documentation index is available at the root level at /llms.txt and /llms-full.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.
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Grok Imagine Video 1.5
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.