# AI Fashion Models Options

### Pose <a href="#upscale" id="upscale"></a>

The `pose` parameter is a text description of a requested model pose.

```json
"options": {
  "pose": "full body, front view, neutral stance, arms relaxed"
}
```

### Background

The `background` parameter lets you describe a background.

```json
"options": {
  "background": "minimalistic studio background"
}
```

### Aspect Ratio

The `aspect_ratio` defines the final dimensions of the output image. The API supports various common aspect ratios.

```json
"options": {
  "aspect_ratio": "1:1"
}
```

By default, the aspect ratio matches the model image, or one of the clothing images if no model is provided. You can change it to any of the following values:

| Aspect ratio |
| ------------ |
| 1:1          |
| 2:3          |
| 3:2          |
| 3:4          |
| 4:3          |
| 4:5          |
| 5:4          |
| 9:16         |
| 16:9         |
| 21:9         |

### Possible values

| Parameter      | Type   | Range         | Default value                                                                 |
| -------------- | ------ | ------------- | ----------------------------------------------------------------------------- |
| `pose`         | string | 3-5000        | `full body, front view, neutral stance, arms relaxed`                         |
| `background`   | string | 3-5000        | `minimalistic studio background`                                              |
| `aspect_ratio` | string | "1:1".."21:9" | same as model, or same as one of the clothing images, if no model is provided |


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