Model
Prompt
Duration
Resolution
Aspect Ratio
Generated Videos
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Model
Prompt
Duration
Resolution
Aspect Ratio
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History
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Runway Gen4 AI Video Generator — Cinematic Motion Control
Runway Gen4 is the professional's choice for precise motion control and subject consistency. Designed for filmmakers, VFX artists, and agencies who need reliable, predictable results.
Example Outputs & Prompts
Real outputs from the community — each with the exact prompt used.
Mirror Glitch — Surrealist Doc
Mockumentary Vlog style, hyperrealism, fixed-camera real-shot feel, slight suspenseful comedy tone. Duration: 15 seconds. [00-06s] A young woman brushing teeth at bathroom mirror, making funny faces. Reflection completely normal. [06-11s] She turns to leave — but the reflection DOESN'T MOVE. It stays in tooth-brushing pose, raises its eyebrows mischievously at the camera. 2 full seconds, then frantically "fast-forwards" to catch up. [11-15s] She turns back to look at the mirror. Completely empty and normal. She scratches her head in confusion, looking directly at camera with a life-questioning expression.
MUJI Brand Promotional
Help me generate a promotional video about the MUJI brand.
Four Seasons Flower Goddess
Four Seasons Flower Goddess ancient style transformation video. Strong rhythm, extreme contrast. Backlighting, hair light, Rembrandt light, creating high exposure and overexposure effects. Film grain texture, soft focus, dreamy tone. BGM: Chinese electronic music with gentle prelude and heavy drum beats. [Before] Character on a park bench playing with a dead branch. Branch suddenly blooms, background switches to cherry blossom forest, petals float upwards against gravity. [Transformation] Spring Goddess → Summer Goddess (folding fan) → Autumn Goddess (maple leaves vortex) → Winter Goddess (white bird transforms into flock). Final: snow and flying birds engulf the character, body dissolves into snowflakes.
15-Second Cinematic Anime Duel
A 15-second cinematic anime duel. The scene begins with two strong lights clashing: on the left is a silver-haired man in a black high-collar uniform, his eyes emitting a brilliant cyan aurora, with liquid blue particles flowing around his fingertips; on the right is a pink and black-haired man with black markings covering his face, hands clasped performing a mysterious seal, surrounded by dark red lightning. The background is a grand, red ancient building silhouette.
How to use it
Describe the motion
Runway Gen4 excels with detailed camera and motion instructions — "slow dolly forward", "rack focus from foreground to background", "handheld shaky cam". Be specific.
Set aspect and duration
16:9 for widescreen, 9:16 for mobile-first content. Runway typically generates 5–10 seconds per clip.
Use as a base
Gen4 output is clean and consistent — ideal to use as a base layer for VFX compositing or color grading.
What it's good at
Motion precision
Gen4 understands cinematography language. Describe camera moves, focal lengths, and shot types and it executes them reliably.
Subject consistency
Characters and objects stay consistent frame-to-frame better than most models — important for narrative sequences.
Professional workflow
Clean output with no watermarks, delivered at resolutions suitable for production use. No post-cleanup needed.
Questions
What makes Runway Gen4 different?
The motion control precision. If you need a specific camera movement or consistent subject across frames, Gen4 is more reliable than alternatives.
Why is it 50 credits per video?
Gen4 runs significantly more compute than mid-tier models. The consistency and fidelity justify it for professional use cases.
Can I use reference images?
Yes. Image-to-video mode lets you animate a reference with a motion prompt.
Is it good for VFX workflows?
Yes — the clean, predictable output integrates well with compositing tools like After Effects or DaVinci Resolve.
