OpenAI / Model reference

GPT Image 2.5 Sunburst

Name: GPT Image 2.5 Sunburst
Author: OpenAI

OpenAI model available through the Celeste SDK. Explore its supported operations and parameters.

See the code

Model IDgpt-image-2.5-sunburst

What it can do.

Streaming

celeste.images.editEdit images

celeste.images.generateGenerate images

Parameters.

Supported controls from Celeste’s model registry. Values and availability differ between models.

GPT Image 2.5 Sunburst parameters and constraints
Parameter	Accepted values
`aspect_ratio`	`1024x10241536x10241024x15362048x20482048x11523840x21602160x3840auto`
`background`	`transparentopaqueauto`
`num_images`	1 – 10
`output_compression`	0 – 100
`output_format`	`pngjpegwebp`
`partial_images`	0 – 3
`quality`	`lowmediumhighxhighmaxauto`
`safety_tolerance`	`autolow`

Start with a few lines

Put it to work.

Use your provider credentials. Call the model through the SDK and build around its output.

import celeste
response = await celeste.images.generate(
    model="gpt-image-2.5-sunburst",
    prompt="A quiet observatory on a volcanic coast at dawn."
)
image = response.content

This example uses images.generate. Explore the quickstart for installation and authentication.