What I’ve been loving most about Sunburst is how nice the transparent images are. I look forward to seeing the type of stuff game devs and designers will do with this!!
OpenAI Developers (@OpenAIDevs) profile pictureOpenAI Developers
@OpenAIDevsSep 8
Meet GPT-Image-2.5 Flare and Sunburst. Introducing new image models in the API, with sharper detail, stronger style adherence, and more control over edits.

Sep 8, 2026 · 8:12 PM UTC

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we also look forward to seeing what game devs and designers will ship with Flare & Sunburst 😉
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Will Sunburst be available for subscribers too?
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Yes! Paid subscribers should get Sunburst on higher reasoning levels.
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How do I access it?
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It’s available now to all ChatGPT/Work/Codex users. Available through the API by setting your model to “gpt-image-2.5-sunburst” or similarly for Flare.
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Is that UI part of the product ?
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No it’s a little site I had Codex make telling it to make a good way to compare the models
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Glad that you like it! It’s a lot of work
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Great video Konstantine!
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what a crazy detailing
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This is a big deal
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the transparent assets are gonna be huge for game UI stuff
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game devs are gonna do something wild with that, designers will overthink it into oblivion lol
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shoutout @BoyuanChen0
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i'd test sunburst on repeated edits first, alpha edge drift kills production asset pipelines
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nice
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Does it still have the "dot pattern"? I generated a couple of images in ChatGPT just now and it seems like it is still there
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As we were not happy with what 5.5 and 5.6 was 😂😂😂😂
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I still don't understand, I'm a pro subscriber and I don't know how to access this model.
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Impressive
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