Grok Imagine Video Extend
Grok Imagine Video Extend is X-AI's video extension model that seamlessly extends existing videos by generating additional frames. Upload a video clip and describe the continuation — the model generates smooth, coherent footage that naturally extends your original content by 6 or 10 seconds.
Why Choose This?
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Seamless extension
Generates new frames that naturally continue the motion and style of your original video.
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Flexible duration
Extend videos by 6 or 10 seconds based on your needs.
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Prompt-guided generation
Describe how the video should continue for precise control over the extension.
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Automatic concatenation
The extended footage is automatically merged with the original video for a seamless result.
Parameters
| Parameter | Required | Description |
|---|
| video | Yes | Source video to extend (URL or upload). |
| prompt | Yes | Describe how the video should continue. |
| duration | No | Extension length: 6 (default) or 10 seconds. |
How to Use
- Upload your video — provide the source video you want to extend.
- Write your prompt — describe how the video should continue (motion, action, scene changes).
- Set duration — choose 6 or 10 seconds of extension.
- Run — submit and download your extended video.
Pricing
| Duration | Cost |
|---|
| 6s | $0.30 |
| 10s | $0.50 |
Billing Rules
- Rate: $0.05 per second
- Duration options: 6 or 10 seconds
- Billing is based on the selected duration, not actual playback length
Best Use Cases
- Content Extension — Extend short clips into longer sequences for storytelling.
- Social Media — Transform brief moments into full-length videos for TikTok, Reels, or Shorts.
- Film & Production — Extend establishing shots or B-roll footage.
- Looping Content — Create extended versions of clips for backgrounds or displays.
- Creative Projects — Continue scenes beyond their original capture.
Pro Tips
- Use detailed prompts describing how the motion, camera, and scene should continue.
- For best results, use source videos with clear motion direction that can be naturally continued.
- Start with a 6-second extension to test your prompt before committing to 10 seconds.
- Describe both motion and atmosphere in your prompt for richer results.
Notes
- Both video and prompt are required fields.
- Extension duration options: 6 or 10 seconds.
- Ensure uploaded video URLs are publicly accessible.
- The output includes the original video with the extension appended.
Related Models
- Grok Imagine Video Image-to-Video — Generate video from a still image.
- Grok Imagine Video Reference-to-Video — Generate video from multiple reference images.
- Grok Imagine Video Edit — Edit existing videos with text instructions.