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Transparency with new image models

OpenAI Developer Community June 4, 2026
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Welcome to the community, @Andrew_Felder.

Have you seen this thread?

Understanding how gpt-image models on edits see "mask" and transparency API

Reminder: transparent background cannot be requested on “2” - it is a denied API parameter and not a variable in analysis here. How does mask work, or transparent input? I thought I would just construct an image and ask. [image] The back portion of the car in the image was yellow, and I made it transparent, with a value (100%,100%,100%,0) for white behind the transparency, a color usually not seen. I drew a mask over the car’s grille and the large logo on the side. The application creates …

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