{
 "slug": "guide-gpt-image",
 "name": "Prompt guide: GPT Image 2.5",
 "category": "guide",
 "group": "Prompt guides",
 "media": [
  "image"
 ],
 "checked": "2026-10-13",
 "effect": "Clean designed images with correct text.",
 "use_when": "Images with words on them, mock-ups, layouts, a comparison image.",
 "phrase": "say what the image is for, then the visible details, then the exact text in quotes with position, then a short list of what must not appear",
 "pitfalls": [
  {
   "text": "Unlike Nano Banana, exclusions work here when they are short and grouped.",
   "evidence": "vendor",
   "source": "OpenAI image prompting guide via Director Chair field notes on image prompting"
  },
  {
   "text": "A city name gave the wrong city. Describe the materials and the street instead.",
   "evidence": "measured",
   "source": "Director Chair field notes on image prompting"
  }
 ],
 "per_model": [],
 "external_refs": [],
 "licensed": [],
 "site_names": [],
 "related": [
  "which-model-for-stills",
  "guide-nano-banana-pro"
 ],
 "rights": "own-work",
 "evidence": "vendor",
 "source": {
  "url": null,
  "note": "Own words from Director Chair field notes on image prompting"
 },
 "body": "## The prompt, in order\n\n1. **What the image is for:** a product photograph, an advertisement, a diagram.\n2. **The visible details:** materials, light, colours, medium, scale.\n3. **People:** framing of the body, relative size, where they look, what they do with objects.\n4. **Text:** the exact words in quotes, with position and type; unusual words and brand names spelled letter by letter.\n5. **Exclusions,** short and grouped: no extra text, no watermark, no logo.\n\n## Edits\nChange one thing per round and repeat the list of what must stay (identity, layout, light, labels) every round; details drift across repeated edits.\n\n## What we measured (Sep 2026)\nA city name drew the wrong city's architecture; name the materials instead (brick with blue stone).",
 "shown_with": null,
 "url": "https://directorchair.ai/guide/guide-gpt-image",
 "markdown": "https://directorchair.ai/guide/guide-gpt-image.md",
 "prompts": {
  "gpt-image": "A photograph of [your subject] in [your setting].\nExclusions: no extra text, no watermark, no logo."
 },
 "licence": {
  "code": "MIT",
  "text": "CC BY 4.0",
  "third_party": "Clips and card texts inside a \"licensed\" block belong to their makers and are shown with permission and credit."
 }
}