OmniHuman, an innovative end-to-end AI framework developed by ByteDance researchers, revolutionizes human video synthesis by generating hyper-realistic videos from just a single image and a motion signal like audio or video input. Capable of processing portraits, half-body shots, or full-body images, it delivers lifelike movements, natural gestures, and exceptional detail. At its core, OmniHuman is a multimodality-conditioned model that seamlessly integrates diverse inputs, such as static images and audio clips, to create highly realistic video content. This breakthrough, which synthesizes natural human motion from minimal data, sets new standards for AI-generated visuals and has far-reaching implications for industries like entertainment, media, and virtual reality.