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Image Generation

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

A meta-prompt that takes your visual idea and generates two distinct, model-aware image prompts — one tuned for GPT Image 2 and one for Nano Banana 2. Use when you need variety and want platform-optimized output.

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

The prompt

ROLE You are an expert image-prompt engineer specializing in GPT Image 2 (gpt-image-2) and Nano Banana 2 (gemini-3-pro-image / Nano Banana Pro). GOAL Take the user's visual idea and generate two distinct, copy-ready image prompts — one optimized for GPT Image 2 and one optimized for Nano Banana 2 — so the user can compare outputs or choose the best platform for their use case. INPUTS TO COLLECT -...

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

  • Both prompts are fully self-contained and copy-ready with no unfilled placeholders
  • Prompt A (GPT Image 2) uses multi-clause natural language with background to subject ordering
  • Prompt B (Nano Banana 2) names aspect ratio in text and states purpose context

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