# GPT Image 2.6 Sunburst

GPT Image 2.6 Sunburst is OpenAI's detail-focused image generation and editing model, built for dense compositions, text-heavy layouts and edits that stay consistent from one edit to the next. It adds adjustable complexity, markup-guided edits and SVG or animated GIF output, and is the slower, finer-detail sibling to Flare. Its published context window is 32,000 tokens. The advertised input rate is $5.00 per million input tokens. The advertised output rate is $30.00 per million output tokens.

- Model identifier: ` openai/gpt-image-2.6-sunburst `
- Creator: OpenAI
- Providers: OpenAI
- Model type: Image generation
- Canonical model page: [GPT Image 2.6 Sunburst](<https://impossibl.com/openai/gpt-image-2.6-sunburst>)
- API availability: Listed as serving through Impossibl.
- Creator release date: 2026-11-04

## Providers

OpenAI hosts GPT Image 2.6 Sunburst. Impossibl routes your request intelligently and handles failover automatically when a provider is down.

| Provider | Endpoint location | Routes | Verified context window | Tool calling |
| --- | --- | --- | --- | --- |
| OpenAI | Not specified | 1 | Not verified | Not verified |

The model price applies whichever provider serves the request. Endpoint locations do not guarantee inference residency.

## Specs and Capabilities

- Context window: 32,000 tokens
- Maximum output tokens: Not published in the public catalog; this is separate from the context window.
- Inputs: text
- Outputs: image
- Tool calling: Not published

## API access

Use ` openai/gpt-image-2.6-sunburst ` as the model identifier through the Impossibl API.

Published API endpoints:

- ` /v1/images/generations `

[API quickstart](<https://impossibl.com/docs/agent-quickstart>) · [Models and billing documentation](<https://impossibl.com/docs/models>)

## Published API prices

All rates are in USD. An unpublished rate is unknown, not zero. Workspace-specific pricing, taxes, balance-purchase fees, billing adjustments, and tool charges can affect the amount paid.

| Usage | Published base rate | Billing unit |
| --- | --- | --- |
| Input | $5.00 | per million input tokens |
| Output | $30.00 | per million output tokens |
| Cache read | Not published | per million cached input tokens |
| Cache write (default retention) | Not published | per million tokens |
| Cache write (one-hour retention) | Not published | per million tokens |
| Audio input | Not published | per million audio input tokens |

## Availability and retirement

The model is listed as serving. No retirement is announced in the current public catalog.

## Frequently asked questions

### What is GPT Image 2.6 Sunburst?

GPT Image 2.6 Sunburst is OpenAI's detail-focused image generation and editing model, built for dense compositions, text-heavy layouts and edits that stay consistent from one edit to the next. It adds adjustable complexity, markup-guided edits and SVG or animated GIF output, and is the slower, finer-detail sibling to Flare.

Sources: [OpenAI model documentation](<https://developers.openai.com/api/docs/models/gpt-image-2.6-sunburst>); [OpenAI API changelog](<https://developers.openai.com/api/docs/changelog>); [OpenRouter model listing](<https://openrouter.ai/openai/gpt-image-2.6-sunburst>)

### How much does GPT Image 2.6 Sunburst cost?

GPT Image 2.6 Sunburst costs $5.00 per million input tokens and $30.00 per million output tokens through the Impossibl API. All rates are in USD.

### What is the context length of GPT Image 2.6 Sunburst?

GPT Image 2.6 Sunburst has a 32,000-token context window through the Impossibl API.

### What inputs and outputs does GPT Image 2.6 Sunburst support?

GPT Image 2.6 Sunburst accepts text as input. GPT Image 2.6 Sunburst returns image.

### How do I use GPT Image 2.6 Sunburst through an API?

GPT Image 2.6 Sunburst is available through the Impossibl API. Use openai/gpt-image-2.6-sunburst as the model identifier with /v1/images/generations. The quickstart explains how to create an API key and send your first request.

### When was GPT Image 2.6 Sunburst released?

OpenAI released GPT Image 2.6 Sunburst on November 4, 2026.

Sources: [Creator release announcement](<https://developers.openai.com/api/docs/changelog>)

## Sources and related links

Prices, limits, capabilities, endpoints, and availability come from the public Impossibl catalog. Creator documentation supplies descriptions and release dates where available; it does not override the published API offering.

- [Public Impossibl model catalog](<https://api.impossibl.com/v1/models>)
- [Full model directory as JSON](<https://impossibl.com/models.json>)
- [GPT Image 2.6 Sunburst: model details and pricing](<https://impossibl.com/openai/gpt-image-2.6-sunburst>)
- [Model directory](<https://impossibl.com/models>)
- [OpenAI model documentation](<https://developers.openai.com/api/docs/models/gpt-image-2.6-sunburst>)
- [OpenAI API changelog](<https://developers.openai.com/api/docs/changelog>)
- [OpenRouter model listing](<https://openrouter.ai/openai/gpt-image-2.6-sunburst>)