GPT Image 2 · 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

  For 2K and 4K, 5:4, 4:5, 3:1, 1:3, and 9:21 are not supported. Auto and 1:1 cannot use 4K; auto only supports 1K.

  auto1:13:22:34:33:45:44:516:99:162:11:23:11:321:99:21

  Default: auto

• Resolution Required

  1:1 cannot use 4K. Auto aspect ratio only supports 1K.

  1K2K4K

  Default: 1K