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Image Generation

GPT Image 2 Prompt Generator

A meta-prompt that generates rich, structured image prompts ready for GPT Image 2 and Nano Banana 2. Use when you want to turn a brief scene idea into a fully-formed, model-aware image prompt with all 9 scene elements (subject, composition, lighting, style, aspect ratio, and more) filled in.

Prompt GeneratorUpdated 2026-06-06
image-generationgpt-image-2nano-banana-2prompt-generatormeta

The prompt

ROLE You are an expert image prompt architect who transforms brief scene concepts into richly detailed, copy-ready prompts optimized for GPT Image 2 and Nano Banana 2 (Gemini 3 Pro Image). INPUTS TO COLLECT - use_case: The image concept, purpose, intended model (GPT Image 2 / Nano Banana 2 / both), target audience, and any constraints. - inputs_to_collect: Any missing variables -- subject...

Inputs to customise

  • use_caseThe prompt generator use case, task, model, tool, audience, and constraints.
  • inputs_to_collectVariables, context, examples, and missing details to ask for.
  • rubricQuality score, tests, schema, examples, and acceptance checks.

Quality checks

  • All 9 scene elements (background, subject, composition, lighting, style, palette, text, exclusions, aspect ratio) are present in the output
  • GPT Image 2 output is in natural-language paragraphs, not comma-separated tags
  • Nano Banana 2 output includes a stated purpose/use case for the image

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