What is Runway Gen-4.5?

Runway Gen-4.5 is an AI model for generating video from text or images. It follows detailed scene directions, including subject action and camera movement. Use it inside VideoGen to create shots for a finished video.

What are the capabilities of Runway Gen-4.5?

Gen-4.5 supports text-to-video and image-to-video with clips from 2 to 10 seconds at 720p. It can follow camera direction and sequenced actions. VideoGen lets you edit the clips together and add voiceover, music, and captions.

How do I use Runway Gen-4.5?

Start a VideoGen project and describe the scene you want to create. Add an image when you want a visual starting point. Generate with Gen-4.5, review the shot, and arrange it with the rest of your storyboard.

Is Runway Gen-4.5 better than Seedance 2.0 or Veo 3.1?

The best choice depends on your shot. Compare Gen-4.5, Seedance 2.0, and Veo 3.1 using the same scene brief. Review the product details, movement, and timing, then keep the result that fits your storyboard.

Can Runway Gen-4.5 turn an image into video?

Yes. Add an image to guide the opening frame and describe how the subject and camera should move. Generate the shot in VideoGen, then edit it with your other scenes.

Runway Gen-4.5 video generator

Create scenes from text or images with Runway Gen-4.5 in VideoGen. Describe the action and camera movement, then shape the result into a complete product story.

Runway Gen-4.5Generate

All Runway models Runway Gen-3 Runway Gen-4

By Runway · Detailed prompt following and controlled scene motion

Trusted by over 5 million creators and teams

Explore video styles

Cat-and-dog performance

A cat and dog perform together in a living-room scene.

Streetwear transformation

A streetwear scene shifts through different outfits and camera angles.

Cinematic crowd scene

A performer stands among a crowd of futuristic figures.

How VideoGen integrates Runway Gen-4.5

Model specifications for Runway Gen-4.5
Specification	Details
Input types	Text or image with a text prompt
Clip duration	2 to 10 seconds
Output resolution	720p
Frame rates	24 or 25 fps
Elo Benchmark	Unknown

Quality tiers in VideoGen

Low: The fastest and most affordable tier, built for drafts and quick iteration.
Standard: The balanced default: good quality video clips at an everyday cost.
High: Premium quality video clips for the content you publish.
Max: Our highest quality tier for detailed, polished video clips.

Use Runway Gen-4.5 directly in VideoGen to create video clips. Choose a quality tier, generate your content, and add it to a finished video in the same project.

Get started

How to use Runway Gen-4.5 in VideoGen

Create a free account

Open a workflow

Start the storyboard to video or prompt to video workflow, or use the AI video tool inside any project.

Pick a quality tier or type a prompt

Choose the tier that fits your needs and describe what you want to create.

Generate and build your video

VideoGen builds the finished video with visuals, narration, and captions, ready to export.

Runway Gen-4.5 API

Developers can generate video clips through the VideoGen API with the same quality tier routing as the app, so requests reach models like Runway Gen-4.5 without managing provider keys.

curl -X POST "https://api.videogen.io/v1/tools/generate-video-clip" \
  -H "Authorization: Bearer $VIDEOGEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"prompt": "A drone shot over a coastal town at sunrise", "durationSeconds": 8}'

Learn more about the VideoGen API Read the API docs

Direct how the shot unfolds

Describe what happens and how the camera follows it. Use text alone or begin with an image to guide the scene.

Use Runway Gen-4.5

Create from a written idea: Describe the subject, setting, light, and action. Build an opening shot from text when you want to explore a visual idea without a starting image.
Animate a prepared image: Use a product image to guide the opening frame. Focus the prompt on the motion you want, then check the product details as the scene moves.
Finish the full sequence: Place Gen-4.5 clips alongside other shots in VideoGen. Refine the edit and add narration, music, and captions to explain the product story.

Find your ideal workflow

Storyboard to videoBuild it shot by shot

ChatGPTMake a video in the chat

Video to videoRestyle a video you already have

PremiereFinish the edit in Premiere

Script to videoStart from a written script

Video editorStart with a blank editor

APICreate custom integrations

Voiceover to videoStart from a voiceover

AutomationsRun it from Zapier

Slides to videoTurn a deck into a video

“VideoGen solves the biggest pain points of video production—complexity, cost, and time. In just a few clicks, anyone can create professional, copyright-free videos.”

Garry Tan

CEO of Y Combinator

“VideoGen is the most underrated tool for content creators who want to put out the highest quality content in the shortest amount of time.”

Andrew Yu

6M+ Followers

Frequently asked questions

Create your next video with Runway in VideoGen

Generate your shots, then finish the story with voiceover, music, and captions.