> ## Documentation Index
> Fetch the complete documentation index at: https://docs.cdn-fly.com/llms.txt
> Use this file to discover all available pages before exploring further.

# GPT Image 1

> OpenAI GPT Image 1 image generation model. Generate and edit images from text prompts.

GPT Image 1 is OpenAI's autoregressive image generation model, available through the Starrise AI API. It generates high-quality images from text prompts, with precise text rendering and multi-style generation support.

## Key Capabilities

* **Text-to-image** — Generate images from natural language descriptions
* **Multi-style** — Photorealistic, illustration, anime, vector, 3D, data visualization
* **Text rendering** — Precise typographic output, ideal for posters, UI mockups, and labels
* **Transparent background** — Supports generating images with transparent backgrounds
* **Batch generation** — Generate up to 4 images per request

## Output Specs

| Property | Values |
| - | - |
| Size | 1024x1024, 1536x1024, 1024x1536, auto |
| Quality | low, medium, high |
| Format | png, webp, jpeg |
| Background | transparent, opaque |

## Quick Example

```bash cURL theme={null}
curl https://dayu.cdn-fly.com/v1/images/generations \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-image-1",
    "prompt": "A cute cat floating in the Milky Way wearing a spacesuit",
    "size": "1024x1024",
    "quality": "high"
  }'
```

```python Python theme={null}
from openai import OpenAI

client = OpenAI(
    api_key="YOUR_API_KEY",
    base_url="https://dayu.cdn-fly.com/v1"
)

response = client.images.generate(
    model="gpt-image-1",
    prompt="A cute cat floating in the Milky Way wearing a spacesuit",
    size="1024x1024",
    quality="high"
)

print(response.data[0].b64_json[:100])
```

## Parameters

| Parameter | Type | Required | Description |
| - | - | - | - |
| `model` | string | Yes | Must be `gpt-image-1` |
| `prompt` | string | Yes | Image description text |
| `n` | integer | No | Number of images to generate (1–4), default `1` |
| `size` | string | No | `1024x1024`, `1536x1024`, `1024x1536`, `auto`, default `auto` |
| `quality` | string | No | `low`, `medium`, `high`, default `medium` |
| `output_format` | string | No | `png`, `webp`, `jpeg`, default `png` |
| `background` | string | No | `transparent` or `opaque`, default `opaque` |
| `moderation` | string | No | `auto` or `low`, default `auto` |
| `output_compression` | integer | No | Compression level for jpeg/webp format (0–100) |

> **[API Reference](/en/api-reference/model-api/openai/gpt-image-1)**
>
> View the interactive API Playground for GPT Image 1.


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