GPT Image 2.5 Sunburst · Image to Image

Input parameters

• Prompt Required

  Used to describe the generated images.

• Input image Required

  Reference images. JPEG, PNG, or WEBP. Up to 16 files, 30MB each.

• Aspect Ratio Required

  27:16, 16:27, 9:8, and 8:9 support 1K only. All other ratios support 1K, 2K, and 4K.

  auto1:13:22:34:33:416:99:1621:927:1616:279:88:9

  Default: auto

• Resolution Required

  Output image resolution.

  1K2K4K

  Default: 1K

• Background

  Automatic, opaque, or transparent background.

  autoopaquetransparent

  Default: auto