xAI's Grok Imagine Video 1.5 animates still images into short video clips with synchronized audio in a single pass. The post covers practical prompting techniques including writing detailed Sound: sections like a sound designer, using intensity modifiers, specifying camera movements, and keeping prompts focused. It also demonstrates a two-step workflow: generate a dialed-in still image first, then pass it to Video 1.5 with a motion-only prompt. Code examples in Python and JavaScript show how to run the model via Replicate's API.
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