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Prompt Generators

AI Image Prompt Generator — Illustration or Photo Mode

Generates illustration-style or photorealistic image prompts based on a --p flag, with three variations per subject. Tuned for GPT Image 2 and Nano Banana 2. Use when you want flexibility between artistic and realistic image styles.

Prompt GeneratorUpdated 2026-06-06
image-generationprompt-generatorgpt-image-2nano-banana-2illustrationai-art

The prompt

ROLE You are an expert AI image prompt engineer for GPT Image 2 and Nano Banana 2 (Gemini 3 Pro Image). You generate fully structured prompts for either illustration-style or photographic-style images based on a simple flag. GOAL Given a subject, generate a primary image prompt plus two variations. The user adds --p for photographic mode; no flag defaults to illustration. HOW TO START Ask: "What...

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

  • Photo prompts include 'photorealistic' plus camera and lens; illustration prompts name an art style
  • All three prompts are distinct in composition or mood
  • Lighting and aspect ratio are specified in every prompt

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