Having trouble getting transparent backgrounds in ChatGPT images

I’m linking this here: May 2026 — ChatGPT / API Image Gallery, Prompt Tips, and Help: Generative Art Theme: Science - #903 by LarisaHaster If it’s not okay @vittoroliveira that I linked that,I can remove it. That post is about my experiment with transparent background with ChatGPT and more throughout, for those that are interested and maybe help a bit.