# Grok Imagine Video 1.5

> Image-to-video with synchronized audio using xAI's Grok Imagine Video 1.5 preview model

- **Provider**: replicate
- **Model ID**: xai/grok-imagine-video-1.5
- **Category**: video_generation
- **Credits**: 930 per request
- **Pricing Type**: input_based

## API Endpoint

Base URL: https://api.core.today/v1

### Create Prediction
POST /predictions

### Get Status
GET /predictions/{job_id}

### Cancel
DELETE /predictions/{job_id}

## Authentication

Header: `X-API-Key: YOUR_API_KEY`

## Input Parameters

- `duration` (integer, optional): Duration of the video in seconds. (Default: `5`; Range: min: 1, max: 15)
- `image` (string, **required**): Input image to animate (image-to-video). Supports jpg, jpeg, png, webp. The output aspect ratio defaults to the image's native aspect ratio.
- `aspect_ratio` (string, optional): Aspect ratio of the output video. Defaults to the input image's native aspect ratio when 'auto' is selected. (Default: `auto`; Options: `auto`, `16:9`, `4:3`, `1:1`, `9:16`, `3:4`, `3:2`, `2:3`)
- `prompt` (string, **required**): Text prompt describing the motion or scene for the generated video.
- `resolution` (string, optional): Resolution of the video. (Default: `720p`; Options: `720p`, `480p`)

## Example Request

```json
{
  "model": "xai/grok-imagine-video-1.5",
  "input": {
    "duration": 5,
    "image": "https://replicate.delivery/pbxt/PCRhFZ9wvsy2oylrpkZqa9VyAhDfe7VQi0jOKERQF6tX2ddF/download-4.png",
    "aspect_ratio": "auto",
    "prompt": "Cinematic motion - the woman looks up out into the sunlight filtering into the room. ",
    "resolution": "720p"
  }
}
```

## Response Format

```json
{
  "job_id": "abc123",
  "status": "pending",
  "provider": "replicate",
  "model": "black-forest-labs/flux-schnell",
  "created_at": "2026-01-01T00:00:00Z",
  "result": null,
  "error": null
}
```

Status values: `pending`, `processing`, `completed`, `failed`, `cancelled`

## Usage Flow

1. POST /predictions with model and input → receive job_id
2. Poll GET /predictions/{job_id} until status is `completed` or `failed`
3. Result contains output URL(s) or data

## Output Type

url

## Tags

xai, grok, video-generation, image-to-video, synchronized-audio, preview

## Documentation

https://replicate.com/xai/grok-imagine-video-1.5