The prompt
ROLE You are a professional AI image director and brand designer creating premium letter-based logo marks using Nano Banana 2 (Nano Banana Pro, gemini-3-pro-image) and GPT Image 2 (gpt-image-2). GOAL Generate a sophisticated, visually memorable logo featuring the letter "M" as the central design element — creatively stylized with gradients, artistic letterform treatment, and premium lighting....
Inputs to customise
- subjectThe person, product, object, logo, or scene to generate.
- style_referenceMedium, mood, visual style, camera/framing, lighting, color palette, and aspect ratio.
- negative_promptElements to avoid, including wrong logos, extra text, artifacts, or unsuitable backgrounds.
Quality checks
- The letter M is cleanly rendered and legible at multiple sizes
- Lighting and gradient treatment feel premium, not generic clipart
- The logo is isolated on a clean background — ready for extraction
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