Grok Imagine upgrades bring voice consistency, native 1080p video, and multi-reference support to xAI’s creative toolkit

xAI just dropped a meaningful upgrade to Grok Imagine, the AI-powered image and video generation tool baked into the Grok chatbot on X. The update, rolled out on August 1, introduces improved voice consistency through multi-channel audio references, native 1080p video output, and expanded multi-reference support for maintaining character and scene stability across generated content. In plain terms: creators can now feed the system up to three audio inputs and seven image references simultaneously, and get back high-definition video that actually looks like it was meant to exist. No janky upscaling required. What actually changed The headline feature is voice consistency. Previous versions of Grok Imagine had built in lip-sync and audio generation capabilities, but keeping a character’s voice stable across scenes was, let’s say, a work in progress. The new multi-channel audio reference system is designed to fix that, allowing creators to anchor their generated content to specific voice profiles rather than hoping the AI doesn’t suddenly give their protagonist a different accent mid-scene. The multi-reference system is the other big deal here. Supporting up to seven image references ...