Input
Used to describe the generated images.470/20000
input_urls
File 1

File uploads require configured image storage. A public HTTPS image URL can be used directly.
Image for reference
The 27:16, 16:27, 9:8 and 8:9 aspect ratios support 1K only. 2K and 4K are available for other aspect ratios.
Image resolution
For 2K/4K tasks, background=transparent must be paired with the prompt: describe an isolated subject with no backdrop, scenery or shadow, and for image-to-image explicitly ask to extract the subject and keep the background transparent.
Output
Examples
Explore different use cases and parameter configurations
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README
Complete guide to using gpt-image-2-5-sunburst-image-to-image











