AI Video Generator
Describe a scene and let AI bring it to life. Choose from 15 professional video models. Tokens vary by model.
Describe a scene or upload an image, then click Generate.
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From Prompt to Video in 3 Steps
No editing skills or camera required. Just describe what you want to see.
Describe Your Scene
Type a text prompt describing the subject, action, lighting and style you want. Or upload an existing image to animate directly.
AI Generates an Image
For text prompts, Leonardo Phoenix renders a high-quality source image using your description and chosen style as a foundation for animation.
Motion AI Animates It
Leonardo's Stable Video Diffusion model adds realistic motion to the image, producing a smooth 4-second MP4 clip ready to download.
Motion Strength Explained
Motion strength controls how much movement is added. Low values preserve the original composition while high values create dramatic animation.
Gentle breathing effects, slight environmental movement like wind in grass or water ripples. Best for portraits and product shots where you want life without distortion.
Visible motion with natural flow. Walking subjects, flowing hair, camera pan effects. The default setting that works well across most scene types.
Fast action, dynamic camera movement, sweeping environmental effects. Great for landscapes and action scenes. Can introduce warping on complex subjects.
Tips for Better AI Videos
Follow these guidelines to get the most cinematic results from the generator.
Be Specific About the Scene
Include subject, environment, time of day and mood. "A lone wolf standing on a snowy mountain ridge at dusk" works better than "wolf in snow".
Mention Camera Movement
Add "slow push-in", "aerial view", "dolly shot" or "camera orbiting" to influence how the scene is animated and how the virtual camera moves.
Specify Lighting Conditions
Golden hour, overcast, neon lights, rim lighting and candlelight all affect both the source image quality and how motion plays on surfaces.
Use Style Keywords
Add "cinematic", "8K detail", "film grain" or choose the Cinematic style preset to get richer, more polished output from the Phoenix model.
Keep Subjects Simple
Single subjects animate more cleanly than busy crowd scenes. Multiple moving subjects at high motion strength can introduce visual artifacts.
Try Image to Video for Faces
For portraits, upload a high-quality face photo and use motion strength 2-4. This preserves facial structure better than generating from text alone.
AI Video Generator - Common Questions
Answers to the most common questions about generating videos on AskAI.free.
Compare AI Video Models
Pick the right model before generating. Each model page explains strengths, costs, prompts, failure modes and close alternatives.
More AI Tools on AskAI.free
Generate AI Videos for Free
Create a free account to start generating. No credit card required.