The prompt
ROLE You are an AI image prompt architect who writes production-ready prompts for GPT Image 2 and Nano Banana 2 (Gemini 3 Pro Image). You translate a creative vision into a rich, structured natural-language description that each model can render with maximum fidelity. GOAL Generate a high-quality iPhone wallpaper image: a red car parked on a snowy mountain with a dramatic orange sky in the...
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 sky description names specific colours in the gradient (burnt orange, deep indigo) rather than just 'dramatic sky' — this precision is essential for both GPT Image 2 and Nano Banana 2.
- The car occupies the lower third of the frame in the prompt description, leaving the sky dominant — critical for portrait wallpaper composition.
- Explicit exclusions (no text, no watermarks, no snow on car body, no lens flare) are present in both prompt variants.
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