Runway is a New York–based generative-AI platform that lets anyone create, edit, and stylize video, image, and 3-D content directly in the browser. Its flagship Gen-4 model delivers high-fidelity text- or image-to-video generation, while earlier releases such as Gen-1, Gen-2, and Gen-3 Alpha underpin a full creative suite for filmmakers, advertisers, and developers. Founded in 2018, Runway co-created the Stable Diffusion image model, powers Oscar-winning productions, and hosts an annual AI Film Festival that showcases AI-driven storytelling. With a browser-based UI, REST API, and enterprise integrations, Runway lowers the technical barrier so storytellers of any background can prototype cinematic ideas in minutes.