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Grok Imagine Video 1.5 Reference-to-Video: price, inputs and example | Scrollport

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Grok Imagine Video 1.5 Reference-to-Video

xAI

Generate video from one to seven reference images and a tagged text prompt with duration and aspect-ratio controls.

Capability: Video generation
Current price: $0.1960/video second
Availability: Ready to run

What this API does

Create a 480p or 720p Grok Imagine Video 1.5 clip guided by one to seven public reference images tagged in the prompt. Duration, resolution, aspect ratio and reference count are known before the run, and Scrollport preserves the generated MP4 as a private artifact.

Agents select this operation with tool ID xai.grok-imagine-video-1-5-reference-to-video, then check its current inputs and price before a run.

Inputs and outputs

Input

aspect_ratiostring · optional

Value supplied for aspect ratio.

enum: 16:9, 4:3, 3:2, 1:1, 2:3, 3:4, 9:16

durationinteger · optional

Value supplied for duration.

minimum: 1 · maximum: 15

promptstring · required

Instruction describing the requested generated output.

minLength: 1 · maxLength: 4096

reference_image_urlsarray · required

Value supplied for reference image urls.

minItems: 1 · maxItems: 7

resolutionstring · optional

Value supplied for resolution.

enum: 480p, 720p

Output

notestring

Returned note value.

videoobject

Returned video value.

Example request and output

Inspect returns this reviewed example, its estimated cost and the current input schema. Run calculates the estimate for your actual input.

Request

{
  "tool_id": "xai.grok-imagine-video-1-5-reference-to-video",
  "input": {
    "prompt": "the person from <IMAGE_0> walks through a rain-lit street while the camera follows at eye level",
    "duration": 3,
    "resolution": "480p",
    "aspect_ratio": "16:9",
    "reference_image_urls": [
      "https://v3b.fal.media/files/b/0a8b90e0/BFLE9VDlZqsryU-UA3BoD_image_004.png"
    ]
  }
}

Output

{
  "note": "video returned as an artifact",
  "video": {
    "audio": true,
    "resolution": "480p",
    "content_type": "video/mp4",
    "duration_seconds": 3
  }
}

Errors and limitations

invalid_input: reference_image_urls must contain 1–7 public image URLs and duration must be 1–15 secondsexample: {"prompt":"the person from <IMAGE_0> walks through a rain-lit street while the camera follows at eye level","reference_image_urls":["https://v3b.fal.media/files/b/0a8b90e0/BFLE9VDlZqsryU-UA3BoD_image_004.png"],"duration":3,"resolution":"480p","aspect_ratio":"16:9"}

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

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