GPT Image Prompt GPT Image 2.5
Write the subject first, then the environment, framing and exclusions. Save the exact wording when comparing variants so that a changed brief does not obscure what the model choice changed.
GPT Image Prompt GPT Image 2.5 prompt experiments
Which variant should I test first?
Start with either Sunburst or Flare and retain the complete prompt for comparison. Kie documents equivalent controls without supplying a measured speed or quality winner.
Technical specs
20,000
Prompt characters
30 MB
Per reference file
1K–4K
Output size options
1–4
Images per batch
Who uses prompt comparisons?
A practical starting point
Prompt writers can vary one instruction at a time and save the wording beside the output for later revision.
