Complex Scenes
Intricate, multi-element scenes rendered with precision.
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Whisper Thunder
Runway Gen-4.5
State-of-the-art motion quality, prompt adherence and visual fidelity powered by Runway Gen-4.5
Simple Process
How It Works
Create HD videos in three simple steps. No technical skills required.
Upload Your Image
Choose any photo from your device. Works with all image formats - JPG, PNG, WEBP.
Add Your Prompt
Describe the motion you want. Our AI understands natural language instructions.
Download Your Video
Download your 5 or 10-second video in 720p or 1080p—ready to post anywhere.
Powered by Gen-4.5
State-of-the-Art Video Generation
Experience breakthrough motion quality, visual fidelity, and precise prompt adherence
Detailed Compositions
Precise placement and fluid motion for both objects and characters.
Physical Accuracy
Realistic physics with believable collisions and natural movement.
Expressive Characters
Nuanced emotions, natural gestures and lifelike facial detail.
Photorealistic
Visuals indistinguishable from real-world footage with lifelike detail and accuracy.
Non-photorealistic
Stylized, expressive motion with artistic freedom unconstrained by realism.
Slice of Life
Everyday scenes and environments with authentic, true-to-life detail.
Cinematic
Emotionally powerful visuals with striking depth and cinematic polish.
Social Proof
See What Creators Are Saying
Real success stories from our community showcasing their amazing creations
50K+
Active Users
2M+
Videos Created
15+
Industries Served
4.9/5
User Rating
Frequently Asked Questions
What is Whisper Thunder and how does it work?
Whisper Thunder is powered by Runway Gen-4.5, the world's top-rated video generation model with 1,247 Elo points on Artificial Analysis benchmark. It transforms your images and prompts into stunning 5 or 10-second HD videos with state-of-the-art motion quality, precise prompt adherence, and exceptional visual fidelity.
What is Runway Gen-4.5 and why is it special?
Runway Gen-4.5 is the latest and most advanced video generation model, ranking #1 globally. It offers unprecedented physical accuracy, cinematic quality outputs, and maintains temporal consistency—meaning fine details like hair strands and material textures stay coherent throughout the video.
What kinds of videos can I make with Whisper Thunder?
You can create photorealistic videos, stylized animations, cinematic scenes, and everyday slice-of-life content. Gen-4.5 excels at complex scenes, detailed compositions, realistic physics, and expressive characters with nuanced emotions.
How much time does Whisper Thunder need to generate a video?
Most 5 or 10-second videos are ready in 30-60 seconds. Gen-4.5 maintains the speed and efficiency of previous models while delivering breakthrough quality.
How do the free credits for Whisper Thunder work?
New users receive 1 free trial credit upon sign-up. Each video generation consumes credits depending on the settings. You can upgrade to a premium plan for 100-500 credits per month.
Which image formats work best for Whisper Thunder?
Whisper Thunder supports JPG, PNG, WEBP, and GIF formats. For best results, use high-resolution images (at least 1024x1024 pixels) with clear subjects and good lighting.
Start Creating HD Videos Today
Create stunning videos with synchronized audio
Generate a video
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•Free Trial Credit