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August 20, 2026 · OpenAIUpdate

Transparent backgrounds in preview for gpt-image-2 in Images and Responses APIs

Transparent backgrounds are now available in preview for gpt-image-2 and gpt-image-2-2026-04-21 in the Images API and the Responses API image generation tool. Set background to transparent and use png or webp output; jpeg does not support transparent backgrounds. Learn more in the image generation guide.

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