Model Comparison Summary
Model Win Counts
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109
70
56
46
Nano Banana Pro
GPT Image 1.5
Seedream 4.5
Nano Banana
Sketch to CAD-Style Line Art Conversion Prompt
A two-part prompt sequence for Nano Banana Pro (using its 'Thinking Mode') to convert a rough sketch into precise, CAD-like line art. The first prompt instructs the model to finalize the rough sketch, referencing blue text annotations, removing ambiguity, and applying line weight variation. The second prompt is a follow-up instruction to apply the same style to subsequent rough sketches.