01Create Now in OpenGen
Access OpenGen AI image and video generator and select the Runway Gen-4.5 model to get started.
Create cinematic AI videos with Runway Gen-4.5
Runway Gen-4.5 by Runway is a top-tier AI video generator that turns text and image prompts into highly realistic, cinematic footage. Built for powerful motion, prompt adherence, and visual fidelity, it gives you accurate control over every shot.
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Why creators pick Runway Gen-4.5
Describe the shot in plain language and Gen-4.5 places objects, motion, and detail exactly where you intended.
Runway Gen 4.5AI Video Generator
Runway Gen 4.5
Runway Gen-4.5 directs dense single shots: camera moves, composition, and timing from one prompt.
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Creating with Runway Gen-4.5
Runway Gen-4.5 is fast and easy to use, available directly inside the OpenGen Toolkit.
Runway Gen 4.5
Sora 2
Veo 3.1
02Add references or write a prompt
Upload your material and describe the edit in plain text so Gen-4.5 understands your direction.
↻ Refine
03Generate, refine, and download
Apply your edit, then refine, Create with variations, and download your final video.
Key features
Runway Gen-4.5 is made for creators, agencies, filmmakers, and professionals who need cinematic, high-end video.
Rapid rendering
Create images in seconds with ultra-fast performance, making Runway Gen-4.5 ideal for rapid ideation, quick iterations, and a faster creative workflow.
Prompt-based object replacement
Replace items in your image, like clothing, accessories, or small details, using simple prompts. The model updates the visual while keeping the subject's identity and structure intact.
Style consistency
Keep your visual style stable with every edit. Nano Banana only changes what you ask for, preventing unexpected shifts as you refine or explore new creative directions.
Scene style changes
Update the look and mood of your scene without altering your subject. Change the setting, adjust the environment, or shift the tone while keeping core details stable.
Create anything you like with the OpenGen AI Toolkit
One workspace for AI image and video generation using the models currently available in the studio.
AI Video Generator
Turn prompts and photos into video clips using the available models and their supported settings.
AI Image Generator
Turn text prompts into striking images in any style. Generate with today's leading image models, compare results side by side, and iterate until every detail feels right.
AI Filters
Restyle portraits and photos in one tap with trending, always-fresh looks — from film grain to full character transformations.
Main takeaways
Best for creators on the go: OpenGen generates studio-grade AI video directly online.
Best for photo-to-video: OpenGen turns photos into cinematic clips with frame-by-frame start and end control.
Available models: OpenGen offers AI video models; current availability is shown in the studio.
All-in-one toolkit: OpenGen combines AI image and video creation in a single workspace.
Frequently Asked Questions
What is OpenGen's AI video generator?
OpenGen's AI video generator turns still images and photos into short, animated videos with smooth camera movement and natural motion. It's a great fit when you want to animate something quickly — from personal photos to product shots — and produce dynamic clips in many visual styles without any editing experience.
How do I create a video from an image?
Open the AI Video tool, upload your image as a start frame, describe the motion you're after, then pick a model and generate. You can add an end frame for tighter control and keep iterating with quick prompt tweaks until it feels right.
Can I use AI-generated videos for commercial projects?
OpenGen does not claim ownership of your outputs. Personal or commercial use depends on applicable law, rights in your inputs, third-party rights, and the selected model’s terms. We do not guarantee copyright protection or commercial clearance.
What rights do I have to my AI-generated videos?
OpenGen does not claim ownership of your outputs. Personal or commercial use depends on applicable law, rights in your inputs, third-party rights, and the selected model’s terms. We do not guarantee copyright protection or commercial clearance.
Are my video outputs used for training AI models?
OpenGen does not train its own AI models with your prompts or outputs. Generation requests are processed through OpenRouter and downstream AI providers, whose retention and training policies vary. See our Privacy Policy before submitting sensitive content.