# GPT Image 2.5 Sunburst

> GPT Image 2.5 Sunburst on Clonvo: image generation, $5.00 per 1M input tokens and $30.00 per 1M image output tokens.

OpenAI's GPT Image 2.5 model for edits where precision matters most.

-   Model id: `openai/gpt-image-2.5-sunburst`
-   Provider: OpenAI
-   Released: Sep 8, 2026
-   Image generation: up to 10 images per request, up to 16 reference images. See [Image generation](https://clonvo.com/docs/images.md).

## Pricing

The provider’s list price in USD. Requests on credits are charged exactly this; each response reports its cost in usage.cost.

| Charge | Price | Unit |
| --- | --- | --- |
| Input (prompt) | $5.00 | per 1M tokens |
| Image input | $8.00 | per 1M tokens |
| Image output | $30.00 | per 1M tokens |

## Capabilities

-   Vision

### Supported parameters

Upstream parameters this model honours. Others may be ignored.

-   `prompt`
-   `n`
-   `resolution`
-   `aspect_ratio`
-   `size`
-   `quality`
-   `output_format`
-   `background`
-   `output_compression`
-   `input_references`

## Quick start

Use the OpenAI SDK with Clonvo’s base URL and this model id.

```python
import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.clonvo.com/v1",
    api_key=os.environ["CLONVO_API_KEY"],
)

completion = client.chat.completions.create(
    model="openai/gpt-image-2.5-sunburst",
    messages=[{"role": "user", "content": "Summarise the plot of Hamlet in one sentence."}],
)
print(completion.choices[0].message.content)
```

## Data policy

Requests to this model are sent to OpenAI, whose API terms govern how they handle your data: [OpenAI data policy](https://openai.com/enterprise-privacy/). Clonvo doesn’t store prompts or responses unless your organization turns on retention.

## Bring your own key

From Pay as you go up, a OpenAI key added under Provider keys is used for this model before your credits: $25,000 a month free, then 4% of list price. [How bring-your-own-key works](https://clonvo.com/docs/byok.md).