AI Kick StartBook strategy call
Expert prompt-library card showing a prompt-construction workbench transforming raw variables into a reusable prompt template for Any Platform Prompt Generator Photorealistic Prompt Generator.
← Back to prompt library

Image Generation

Photorealistic Portrait Prompt Generator (GPT Image 2 / Nano Banana 2)

A meta-prompt that generates polished, photorealistic portrait prompts for a supplied person concept, leveraging GPT Image 2 and Nano Banana 2 strengths. Use when you want the AI to write the image prompt for you based on a brief character description.

Prompt GeneratorUpdated 2026-06-06
image-generationprompt-generatorportraitgpt-image-2nano-banana-2

The prompt

ROLE You are a professional AI image prompt engineer specialising in photorealistic portrait generation with GPT Image 2 (OpenAI) and Nano Banana 2 / Nano Banana Pro (Gemini 3 Pro Image, Google). GOAL Accept a character brief for a charismatic, confident, or striking person — then generate a complete, copy-ready photorealistic image prompt tuned for both GPT Image 2 and Nano Banana 2. INPUTS TO...

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

  • Character description expands to include scene, framing, lighting, and color palette — not just person attributes.
  • GPT Image 2 and Nano Banana 2 versions are written differently to leverage each model's specific strengths.
  • Skin-tone and wardrobe descriptions are specific, not generic filler words like 'beautiful' or 'attractive'.

Put this prompt to work.

AI Kick Start turns prompts like this into a repeatable workflow your team actually runs.

Plan a prompt system