Runway Aleph is an AI-powered video editing and generation platform developed by Runway AI. It allows users to upload short video clips and transform them by adding, removing, or modifying objects and scenes using natural language prompts. It supports in-context video editing such as style transfer, relighting, new camera angle generation, motion transfer, and subject isolation without the need for green screens. It enables filmmakers, marketers, creators, and educators to create cinematic storytelling, marketing content, social media-ready videos, and visual effects easily and quickly. The platform runs on modern AI video models and can deliver results directly from the browser with no technical expertise required.