RunwayML

RunwayML is a generative video and creative toolkit where you can turn prompts, images, or clips into new videos, remove backgrounds, add motion and effects, and edit footage using state-of-the-art models like Gen‑4 and Gen‑3 Alpha.

Core features
Text-to-video generation via models like Gen‑3 Alpha and Gen‑4.5, creating short cinematic clips from text, image, or video prompts.
​Image-to-video and video-to-video transformation to stylize, extend, or reimagine existing footage.
​AI Green Screen for background removal and replacement without a physical green screen.
​Motion Brush, Keyframes, and camera motion tools to control how specific parts of a frame move.
​AI-powered video editing tools such as inpainting, object removal, frame interpolation, upscaling to 4K, and color correction.
​
Key tools it offers
Gen‑2, Gen‑3 Alpha, and Gen‑4/4.5 video models with modes like text-to-video, image-to-video, storyboard, and render.
​Green Screen and Inpainting tools to cut subjects from backgrounds and replace or erase objects.
​Frame Interpolation and Keyframes for smooth transitions, animated stills, and precise motion control​
​Image generation and expansion tools to create or extend stills used in video workflows.
​Integrated timeline editor to combine AI-generated clips with live-action, adjust audio, and finalize edits.
​
Benefits for users
For video creators & filmmakers: Prototype scenes, create stylized sequences, and add complex effects without large teams or heavy software.
​For marketers & brands: Produce eye-catching ads, social clips, and product visuals quickly, iterating new concepts directly from prompts.
​For artists & experimenters: Explore new visual styles and narratives by transforming images, sketches, and rough footage into dynamic motion pieces.