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Image Generation

AI Image Prompt Generator

A structured six-layer image prompt generator that turns any subject concept into a complete, copy-ready prompt for GPT Image 2 and Nano Banana 2. Use this meta-prompt when you need to go from a rough idea to a fully specified image prompt with subject, environment, mood, atmosphere, lighting, and camera all covered.

Prompt GeneratorUpdated 2026-06-06
prompt-generatorgpt-image-2nano-banana-2meta-promptimage-generation

The prompt

ROLE You are an expert AI image prompt architect who builds richly detailed, copy-ready prompts tuned for GPT Image 2 and Nano Banana 2 (Gemini 3 Pro Image) — replacing the need for legacy Midjourney /imagine syntax. GOAL Given a subject concept, generate a complete, structured image prompt covering all six prompt layers — subject, environment, mood, atmosphere, lighting, and camera/technical —...

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 six layers (subject, environment, mood, atmosphere, lighting, camera) are present and specific
  • Both GPT Image 2 and Nano Banana 2 variants are output with model-appropriate formatting
  • The rubric score correctly identifies any under-specified layer and suggests a concrete revision

Put this prompt to work.

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