Grok Imagine Video
5 modes on this page
Grok Imagine Video turns a text prompt into a video clip. Pick a mode, write the prompt, run it in the studio.
Input
FormMode
Prompt*
Image URL*
Aspect Ratio
Resolution
Duration
Result
PreviewMotion preview, not Grok Imagine Video output
$0.3 per video·~90s
What Grok Imagine Video is for
Grok Imagine Video from xAI turns a written prompt into a short video clip. Runtime is about 90 seconds and compute is $0.3 per video. Modes on this page: Image to Video, Text to Video, Reference to Video, Edit Video, and Extend Video. It is a clip generator, not a full training-video editor.
Grok Imagine Video is billed in Knowlify credits at the compute cost ($0.3 per video). A typical run is about 90 seconds. Published rate: For 6s 480p video your request will cost $0.3. At an output resolution of 480p, every second costs $0.05, and at 720p, every second costs $0.07.
Pick Grok Imagine Video for text to video at $0.3 per video and ~90s. Compare it with Grok Imagine Image, Imagine15, Imagine20 on the related cards below if you need a different look, speed, or input type.
How to use Grok Imagine Video
- 1. Upload the still Grok Imagine Video should start from, then write the change or motion in Input.
- 2. Run it. The prompt and file hand off to the Knowlify studio, where Grok Imagine Video generates.
- 3. Stay in the studio if you want that frame or clip inside a longer narrated video.
What you need
- A prompt that names the subject, camera move, and lighting.
- A source still (PNG or JPG) for the model to start from.
- Aspect Ratio (16:9, 4:3, 3:2, 1:1, and more).
- Resolution (480p, 720p).
Example prompt
a black horse running through shallow surf at dawn, long lens, IMAX aerial still, golden hour, huge scale, no text, no watermark
Frequently asked questions
How do I run Grok Imagine Video?
Run Grok Imagine Video on Knowlify at /generate/grok-imagine-video. This page has 5 modes in one dropdown. Write the prompt on this page and it opens in the studio, where Grok Imagine Video generates a short clip. The same studio also turns documents into full narrated videos.
Where can I use Grok Imagine Video online?
On Knowlify (xAI's model, knowlify.com/generate/grok-imagine-video). You do not need a separate playground. Grok Imagine Video runs in the studio next to document-to-video.
Can I make a longer video with Grok Imagine Video?
Grok Imagine Video itself produces a short clip. On Knowlify you can take that output, or skip it and upload a document, and generate a full narrated video with a script you can edit.
What do I need to run Grok Imagine Video?
A prompt and a source still. Grok Imagine Video will not invent the starting frame for you on this mode.
How long does Grok Imagine Video take?
Plan on about 90 seconds for a typical run, then whatever queue time the studio has. Video models sit at the high end of that range.
Does Grok Imagine Video have more than one mode?
Yes. This page has 5 modes: Image to Video, Text to Video, Reference to Video, Edit Video, and Extend Video. Switch them in the Mode dropdown instead of opening a new URL.
What does Grok Imagine Video cost?
For 6s 480p video your request will cost $0.3. At an output resolution of 480p, every second costs $0.05, and at 720p, every second costs $0.07. Knowlify charges this as credits, at the compute cost.
What is Grok Imagine Video best for?
Generate videos with audio from text using Grok Imagine Video. It turns a text prompt into a video clip.
Do I need an account to use Grok Imagine Video?
A free Knowlify account, yes. This page composes the prompt; the studio is where Grok Imagine Video actually runs.