LLM Reference
OpenAI API

GPT Image 2.5 Sunburst on OpenAI API

GPT Image · OpenAI

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Last refreshed 2026-09-09. Next refresh: weekly.

Why use GPT Image 2.5 Sunburst on OpenAI API?

OpenAI API offers GPT Image 2.5 Sunburst with competitive pricing. OpenAI is a leading AI research and deployment company dedicated to developing safe and beneficial artificial general intelligence (AGI) for humanity.

Input / 1M
-
Output / 1M
-
Cache
Not sourced
Batch
Not sourced

Setup recipe

Python + curl
Install
pip install openai
Auth
export OPENAI_API_KEY=...
Call
import os
from openai import OpenAI
client = OpenAI()  # reads OPENAI_API_KEY from env
response = client.chat.completions.create(
Model ID
gpt-image-2.5-sunburst

Request example

import os
from openai import OpenAI

client = OpenAI()  # reads OPENAI_API_KEY from env
response = client.chat.completions.create(
    model="gpt-image-2.5-sunburst",
    messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)

Gotchas

  • Use the model slug directly, e.g. "gpt-4o" or "gpt-4.1-mini".
  • The examples expect OPENAI_API_KEY; rename it only if your application config maps the new variable.

Capabilities

VisionMultimodalReasoningPrompt Caching

About GPT Image 2.5 Sunburst

GPT Image 2.5 Sunburst is OpenAI's precision-oriented GPT Image 2.5 model for image generation and editing, released September 8, 2026. It accepts text and image inputs and produces image outputs, optimized for workflows where editing precision matters most, with low through max quality settings. Available via the Image API (model ids gpt-image-2.5-sunburst and dated snapshot gpt-image-2.5-sunburst-2026-09-08) and as the Responses API image generation tool model. OpenAI API multimodal token pricing: text input $5.00 / cached $1.25, image input $8.00 / cached $2.00, image output $30.00 per 1M tokens.

Get Started

Model Specs

Released2026-09-08
ArchitectureAutoregressive Image