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Grok Imagine Video 1.5 Image-to-Video

xAI

Generate video from an input image and text prompt with duration and resolution controls.

Capability
Video generation
Current price
$0.1960/video second
Availability
Ready to run
Last accepted verification

What this API does

Turn a public reference image into a 480p, 720p or 1080p Grok Imagine Video 1.5 clip. Duration and resolution are explicit before the run, native audio is included, and Scrollport preserves the generated MP4 as a private artifact.

Agents select this operation with tool ID xai.grok-imagine-video-1-5, then inspect its current executable contract before a run.

Public input and output shape

Input

durationinteger · optional

Value supplied for duration.

minimum: 1 · maximum: 15

image_urlstring · required

Value supplied for image url.

format: uri

promptstring · required

Instruction describing the requested generated output.

minLength: 1 · maxLength: 4096

resolutionstring · optional

Value supplied for resolution.

enum: 480p, 720p, 1080p

Output

notestring

Returned note value.

videoobject

Returned video value.

Example request and output

This reviewed worked example is shared with inspect. Inspect also returns the current executable schema and price estimate before a paid run.

Request

{
  "tool_id": "xai.grok-imagine-video-1-5",
  "input": {
    "prompt": "the knight takes one measured step forward as the camera drifts closer and blue forest light flickers across the armor",
    "duration": 3,
    "image_url": "https://v3b.fal.media/files/b/0a8b90e0/BFLE9VDlZqsryU-UA3BoD_image_004.png",
    "resolution": "480p"
  }
}

Output

{
  "note": "video returned as an artifact",
  "video": {
    "audio": true,
    "resolution": "480p",
    "content_type": "video/mp4",
    "duration_seconds": 3
  }
}
Teaching errors and limitations
  • invalid_input: duration must be 1–15 seconds and image_url must be publicly reachableexample: {"prompt":"the knight takes one measured step forward as the camera drifts closer and blue forest light flickers across the armor","image_url":"https://v3b.fal.media/files/b/0a8b90e0/BFLE9VDlZqsryU-UA3BoD_image_004.png","duration":3,"resolution":"480p"}
Updated
18 August 2026

Use Grok Imagine Video 1.5 Image-to-Video with Scrollport

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