GPT-Image-2.5 Sunburst
OpenAI's ChatGPT Images 2.5 Sunburst creates and edits pictures from written instructions, offered to developers and not free to download.
Key facts
- Released
- Sep 8, 2026
- What it does
- Makes images: Creates pictures from a description, or edits them.
View moreView less
- How
- For developers, through an API
- Announced as
- “Introducing ChatGPT Images 2.5”
From trckr's archive of releases before it started watching. Date and details from Epoch AI's database of AI models (CC BY 4.0).
How it scores
From independent testers, never the lab's own claims.
- Pictures, by people's votes#1 of 78
- GPT-Image-2.5 Sunburst1,428
- 2GPT-Image-2.6 Sunburst1,406
- 3GPT-Image-2.5 Flare1,400
- 4GPT-Image-2.6 Flare1,383
- 5GPT Image 21,382
Source: LMArena · LMArena text-to-image
Compare GPT-Image-2.5 Sunburst with
It came out 140 days after GPT Image 2, the lab's previous model.
The details
GPT-Image-2.5 Sunburst is OpenAI's image model for generating and editing images, released via API: How developers plug a model into their own apps and pay per use. A model that's "in the API" can be used by programmers, even if it isn't in a chat app yet. access only, with no size disclosed.
Model ID: The exact name developers type to use a model, like gpt-5-mini. New IDs often show up in a lab's systems before the official announcement, which is how trckr spots many releases early.
gpt-image-2.5-sunburst-2026-09-08Timeline
/OpenAI APIOfficialFirst signal
gpt-image-2.5-sunburst-2026-09-08
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