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The prompt is the spec, and the spec is everything.

Yana explains that creating a detailed 'fashion prompt' before generating any images is crucial for achieving high-quality results with AI. ✦ AI generated

Yana Welinder · Lenny's Newsletter · 2026-08-17 · original ↗

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The prompt is the spec, and the spec is everything. Before generating a single image, Yana creates a detailed 'fashion prompt' describing the silhouette, the way the fabric should behave and move, and even the sound it should make. That upfront work leads to dramatically better results. The lesson applies far beyond fashion: the more clearly someone can define what 'good' looks like, the better both AI and humans can deliver it.

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✳ ChatGPT ◉ Yana Welinder

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