Runway Gen-4 Video Generator
Runway Gen-4 — Fast, World-Consistent AI Video
Runway Gen-4 Turbo generates 5–8 second clips in about a minute — a major speed boost built for rapid prototyping — with the world consistency Runway is known for. Pair it with Aleph, Runway's in-context editing model, to relight, restyle, and re-angle footage from a text prompt. No install, free credits to start.


Made With Runway Gen-4
Stills from Runway Gen-4 clips — world-consistent scenes, rapid concept shots, restyled footage, and new camera angles generated from prompts.
Why Runway Gen-4
Runway Gen-4 Turbo is built for speed and consistency, with Aleph extending it into prompt-driven video editing.
Fast 5–8s Generation
Gen-4 Turbo returns a 5–8 second clip in about a minute — a roughly 5× speed boost over earlier iterations — making it ideal for rapid prototyping and iteration.
World Consistency
Runway Gen-4 keeps scenes, characters, and objects coherent across a clip, so the generated world holds together instead of drifting frame to frame.
Aleph In-Context Editing
Aleph transforms existing footage from text: generate new camera angles, extend scenes, adjust lighting and atmosphere, add or remove objects, and apply new styles — all by prompt.
Text-To-Video And Image-To-Video
Generate from a written prompt or anchor on an image, then refine quickly thanks to the fast turnaround — perfect for exploring directions before committing.
Best Use Cases for Runway Gen-4
Where Gen-4 Turbo's speed and Aleph's editing pay off.
Explore many directions fast — Gen-4 Turbo's ~1-minute turnaround lets you iterate on a shot repeatedly before locking it in.
Relight a scene, swap the sky, remove background people, or restyle a clip with a text prompt — in-context editing without a full VFX pass.
Generate alternate camera angles and extend scenes from existing footage to fill gaps in coverage during an edit.
Build world-consistent concept clips and mood pieces for pitches and moodboards where coherence and speed both count.
Runway Gen-4 FAQ
What Runway Gen-4 and Aleph are, and how to use them.
Runway Gen-4 Turbo is Runway's fast video model. It generates 5–8 second clips in about a minute — roughly a 5× speed boost over earlier versions — with the world consistency Runway is known for, from text or image inputs.
Generate With Runway Gen-4
Open the playground, switch to Runway Gen-4, and turn your prompt into a world-consistent clip — fast — with free credits.