GPT Image 2.5 Sunburst

GPT Image 2.5 Sunburst is an OpenAI image generation and editing model released in the API on September 8, 2026.

Lab
OpenAI
Release date
Status
Generally available
API model ID
gpt-image-2.5-sunburst

OpenAI’s API changelog for September 8, 2026 says it released GPT Image 2.5 Sunburst (gpt-image-2.5-sunburst) and GPT Image 2.5 Flare for image generation and editing through the Image API and the Responses API image generation tool. OpenAI recommends Sunburst for workflows where editing precision matters most. Both models support new xhigh and max quality settings.

Modalities
Image generation and editing
Availability
OpenAI API: Image API (v1/images) and the Responses API image generation tool.
Official source
developers.openai.com
Last checked

Questions

When was GPT Image 2.5 Sunburst released?
OpenAI’s API changelog dates the release to September 8, 2026.
What is GPT Image 2.5 Sunburst for?
OpenAI recommends it for image workflows where editing precision matters most.
Where can developers use it?
Through the Image API and the Responses API image generation tool.

Source

Release dates, model IDs and limits come from each lab’s own announcement, changelog, documentation or deprecations page, linked on every model with the date it was last checked. How we pick and check sources: editorial standards.

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