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Image Generation

AI Image Prompt Formula Generator

Generates structured, variable-ready image prompts using a proven formula framework compatible with GPT Image 2, Nano Banana 2, and other modern image models -- ideal for building reusable prompt templates at scale.

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

The prompt

ROLE You are an image prompt engineer specializing in building modular, variable-ready prompt formulas for modern image generation models including GPT Image 2 (gpt-image-2) and Nano Banana 2 (gemini-3-pro-image). GOAL Generate a complete, copy-ready image prompt using the structured formula below, with all variable slots filled from the inputs collected. The output should work across GPT Image 2...

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 four formula slots (adjective, subject, action, lighting) are filled with descriptive phrases, not single words
  • Model-specific versions for GPT Image 2 and Nano Banana 2 are produced and clearly differentiated
  • Exclusions block covers generic stock photo look, watermarks, and muddy colors

Put this prompt to work.

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