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Runway Gen-4

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Freemium

Industry-leading generative video tool for text-to-video, image-to-video and smart editing.

What is Runway Gen-4?

Runway Gen-4 is the latest AI video generation model from Runway ML, launched in March 2025 as the successor to Gen-3 Alpha. It specializes in converting a single input image and text prompt into short, high-fidelity cinematic video clips (5-10 seconds), emphasizing world consistency—maintaining coherent characters, locations, objects, and environments across scenes—along with realistic motion, physics simulation, and precise prompt control for camera movements, styles, and compositions.

Designed for filmmakers, digital artists, content creators, VFX professionals, and designers, Gen-4 enables production-ready outputs suitable for storyboarding, product visuals, animations, and GVFX workflows. A faster Gen-4 Turbo variant supports quick testing, making it valuable for iterative creative processes. Its value lies in reducing manual effort for coherent video creation, offering superior control and realism compared to prior models, thus streamlining professional media production.

Key Features

check_circleHigh-quality image-to-video generation from a single frame and text prompt, producing 5-10 second cinematic clips

check_circleConsistent characters, objects, and environments across multiple scenes and frames

check_circleStrong prompt adherence for motion, emotion, lighting, camera control, and composition

check_circleRealistic, physics-aware motion and natural transitions

check_circleGen-4 Turbo variant for faster, cost-efficient rapid iterations and prototyping

check_circleSupport for varied styles including live action, animation, and VFX

Use Cases

lightbulbStoryboarding and narrative video production with consistent characters

lightbulbProduct showcases and worldbuilding visuals

lightbulbGVFX and integration with live action or animated content

lightbulbCreative experimentation, stylized animations, and brand storytelling

At a Glance

Pros & Cons

Pros

+ Excellent character, scene, and object consistency across shots

+ Natural, physics-informed motion and smooth transitions

+ Superior prompt adherence and creative control, including camera directions

+ Flexible styles for film, animation, VFX, and production-ready quality

+ Gen-4 Turbo enables fast, affordable prototyping

Cons

- Limited to 10-second video clips maximum

- No native audio or lip-sync generation

- Requires high-quality input image; stylized results may need prompt refinement