Runway
Also known as: RunwayML, Runway AI, Runway Gen-4, Runway Gen-4.5
Runway (founded 2018, often called RunwayML) grew from a machine-learning tool for creative professionals into one of the primary platforms where filmmakers, advertising agencies, and content studios do AI video work. Their Gen-3 Alpha model (June 2024) was the first frontier-quality AI video model that working creatives could actually access via a subscription, which set industry expectations. Gen-4 (March 2025) and Gen-4.5 (the current flagship as of mid-2026) extended this with stronger character and scene consistency, camera controls, and Aleph, a breakthrough in-context video editor.
Runway's product now also functions as an aggregation layer: they host third-party models including Kling 3.0, Sora 2 Pro, and GPT Image alongside their own. The Gen-4.5 model is positioned as the strongest all-rounder for image-to-video work, with reference image support and camera controls that give directors more control over a shot than competitors typically offer. In parallel, Runway is pursuing longer-horizon research into General World Models (GWM), AI systems that simulate real-world physics and can power interactive environments, avatars, and robotics.
For builders, Runway has a real API, a growing ecosystem of integrations (Claude, ChatGPT, and other agents can connect to it), and commercial usage rights on paid plans. The credit-based pricing means costs scale with output volume. Enterprise deals with companies like Lionsgate signal where Runway sees its ceiling: not just as a creative tool but as infrastructure for film and media production.