GPT Image 2.5 Sunburst API

OpenAI's editing-focused GPT Image 2.5 tier, for workflows where edit precision matters most.

Modalities
Text, ImageImage
In / Out price
$5/$30per 1M
Model type
Image generation
Released
Sep 9, 2026

GPT Image 2.5 Sunburst overview

Quality
Size
GPT Image 2.5 Sunburst sample image: a ginger cat sleeping on books in a rainy bookshop window

GPT Image 2.5 Sunburst by OpenAI

GPT Image 2.5 Sunburst generates and edits images from text and image inputs, and is the tier OpenAI recommends where editing precision matters most.

GPT Image 2.5 Sunburst specs

Model ID
openai/gpt-image-2.5-sunburst
Developer
OpenAI
Input
Text, Image
Output
Image
Endpoint
POST https://api.aimlapi.com/v1/images/generations

What Is GPT Image 2.5 Sunburst?

GPT Image 2.5 Sunburst is the precision-oriented tier of OpenAI's GPT Image 2.5 family. It generates and edits images from text and image inputs, and OpenAI positions it for workflows where editing precision matters most, production-ready campaign creative and polished product imagery.

The 2.5 generation as a whole brings sharper detail, stronger style adherence and more control over edits than the previous generation.

Technical Specifications

  • Endpoints: /images/generations and /images/edits
  • Quality settings: low, medium, high, xhigh, max, auto

Sunburst or Flare?

Sunburst is the choice when edits must land exactly as briefed. Pick GPT Image 2.5 Flare instead for everyday generation, rapid prototyping and high volume, where speed matters more.

Available on AI/ML API since September 9, 2026.

Use cases

GPT Image 2.5 Sunburst is documented for premium visual workflows that benefit from tighter control across edits. It is suited to production-ready campaign creative. It is also suited to polished product imagery. The model is described as a fit for workflows where editing precision matters most, including precise editing of text-and-image inputs.

GPT Image 2.5 Sunburst benchmarks by Artificial Analysis

Human-preference results for GPT Image 2.5 Sunburst in text to image, next to models available on AI/ML API. Data retrieved Nov 3, 2026.

Text to image

Elo · text-to-image arena

Models on AI/ML API

Arena results for models you can call with the same API key.

Text to image

Blind pairwise human votes on images generated from text prompts. GPT Image 2.5 Sunburst ranks #1 of 98.

GPT Image 2.5 Sunburst API pricing

GPT Image 2.5 Sunburst pricing in US dollars
UsagePriceUnit
Input$51M tokens
Output$301M tokens
Cached input$1.251M tokens

Prices from the AI/ML API price list, checked on Nov 4, 2026.

GPT Image 2.5 Sunburst vs other models: token prices

AI/ML API input and output rates for 5 models, per million tokens.

AI/ML API model prices in USD per million tokens
ModelInputOutput
GPT Image 2.5 Sunburst$5$30
GPT Image 1 Mini$2$8
GPT Image 2.5 Flare$5$30
GPT Image 2$5$30
GPT Image 1.5$5$32

How to use the GPT Image 2.5 Sunburst API

View docs

Build with your agent

Give your agent the model details, code and documentation.

1Get your API key

Create API key
export AIMLAPI_KEY="8f2b4c7d9a1e6b3f…"

2Make your first request

curl 'https://api.aimlapi.com/v1/images/generations' \
  -H "Authorization: Bearer $AIMLAPI_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "model": "openai/gpt-image-2.5-sunburst",
  "prompt": "A ginger cat asleep on a stack of exactly three hardcover books in a rainy bookshop window at dusk. Gold lettering on the glass reads OPEN LATE. Warm lamp light inside, raindrops and blurred neon reflections outside, 35mm film photo."
}'

Related articles

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GPT Image 2.5 Sunburst FAQ

How much does GPT Image 2.5 Sunburst cost?

GPT Image 2.5 Sunburst costs $5 input and $30 output per 1M tokens on AI/ML API, billed as you go with no subscription.

What is GPT Image 2.5 Sunburst?

GPT Image 2.5 Sunburst is the precision-oriented tier of OpenAI's GPT Image 2.5 family. It generates and edits images from text and image inputs.

When should I use Sunburst instead of Flare?

Use Sunburst when editing precision matters most, for example production-ready campaign creative or polished product imagery. Flare is the better fit when speed and volume matter more.

Can GPT Image 2.5 Sunburst edit existing images?

Yes. Editing is its main purpose: it supports the image edits endpoint, and inpainting is a supported feature.

What quality settings does GPT Image 2.5 Sunburst support?

Six settings are available: low, medium, high, xhigh, max and auto.

What inputs and outputs does GPT Image 2.5 Sunburst support?

It takes text and image input and returns images.

Which endpoints does GPT Image 2.5 Sunburst support?

Two: image generations and image edits.

What changed in the GPT Image 2.5 generation?

OpenAI describes the 2.5 models as offering sharper detail, stronger style adherence and more control over edits than the previous generation.

How do I call GPT Image 2.5 Sunburst on AI/ML API?

Send a request to the image generations endpoint with the model id openai/gpt-image-2.5-sunburst, and a prompt describing the image you want.

What is the GPT Image 2.5 Sunburst model ID?

Use openai/gpt-image-2.5-sunburst as the model parameter. Requests go to https://api.aimlapi.com/v1/images/generations with your AI/ML API key.

Start building with GPT Image 2.5 Sunburst

GPT Image 2.5 Sunburst API

openai/gpt-image-2.5-sunburst

Build with your agent

Give your agent the model details, code and documentation.

1Get your API key

Create API key
export AIMLAPI_KEY="8f2b4c7d9a1e6b3f…"

2Make your first request

curl 'https://api.aimlapi.com/v1/images/generations' \
  -H "Authorization: Bearer $AIMLAPI_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "model": "openai/gpt-image-2.5-sunburst",
  "prompt": "A ginger cat asleep on a stack of exactly three hardcover books in a rainy bookshop window at dusk. Gold lettering on the glass reads OPEN LATE. Warm lamp light inside, raindrops and blurred neon reflections outside, 35mm film photo."
}'