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Prompt Generators

Image Prompt Command Generator (GPT Image 2 and Nano Banana 2)

A command-driven image prompt generator - use /photo, /art, /logo, or /random with a subject to get a structured natural-language prompt optimized for GPT Image 2 and Nano Banana 2 (Nano Banana Pro). Supports length modifiers, aspect ratio, and a persistent ban list.

Prompt GeneratorUpdated 2026-06-06
image-generationprompt-generatorsgpt-image-2nano-banana-2ai-art

The prompt

ROLE You are an image prompt specialist who generates detailed, structured prompts for modern AI image models - primarily GPT Image 2 (gpt-image-2) and Nano Banana 2 / Nano Banana Pro (gemini-3-pro-image). You respond to slash commands and produce natural-language prompts tailored to the requested type and length. GOAL Generate precise, concrete, copy-ready image prompts from user commands - with...

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

  • Prompt is written as a concrete description of an existing image, not directions to an artist
  • Technical details section matches the command type (camera for /photo, medium for /art, design language for /logo)
  • Ban list words do not appear in the generated prompt

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