{"slug": "how-a-solo-founder-used-codex-and-chatgpt-to-launch-a-fashion-brand-without-yana", "title": "How a solo founder used Codex and ChatGPT to launch a fashion brand without engineers | Yana Welinder", "summary": "Yana Welinder, solo founder of Yana Bana, used OpenAI's Codex and ChatGPT Images 2.0 to launch an AI-native fashion brand without engineers, creating designs from hand-drawn sketches to runway photos, CAD files for 3D printing, and a Stripe-connected pre-order site. She detailed her workflow on the podcast, including using Codex with computer use to operate CLO 3D software and building the e-commerce site with Vercel, GitHub, and Stripe.", "body_md": "**Yana Welinder** is the solo founder of Yana Bana, an AI-native fashion brand built with AI as her technical co-founder, starting from hand-drawn sketches and ending with runway photos, CAD files for 3D printing, and a live Stripe-connected pre-order site—no engineers required. A former product leader, she brings an operator’s rigor to her creative process: her “fashion prompt” is a detailed spec covering silhouette, volume, fabric beavior, movement, and sound, and watching her use Codex plus computer use to navigate 3D design software that’s entirely new to her is a clarifying demo of what today’s toolset actually makes possible.\n\n**Listen or watch on YouTube, Spotify, or Apple Podcasts**\n\n### What you’ll learn:\n\nHow Yana uses a custom fashion prompt as a technical spec to get consistent, realistic, on-design outputs\n\nWhy ChatGPT Images 2.0 outperforms other models for fashion design\n\nHow she uses Codex plus computer use to operate CAD and fashion software she’s never personally learned\n\nThe workflow for taking a garment from hand-drawn sketch to product photo, runway photo, and influencer shot in a single session\n\nHow she ran vendor outreach end to end using deep research and browser use\n\nHow she built a full e-commerce site with voting, databases, and Stripe integration\n\nWhy she’s testing human patternmakers and Codex in parallel\n\n### Brought to you by:\n\n** Merge**—Connective infrastructure for production AI\n\n** Jira AI SDLC**—Get your tokens’ worth with Jira\n\n### In this episode, we cover:\n\n([00:00](https://www.youtube.com/watch?v=P03ZNceXe2A)) Introducing Yana Welinder and Yana Bana\n\n([02:38](https://www.youtube.com/watch?v=P03ZNceXe2A&t=158s)) Tour of the Yana Bana site\n\n([05:20](https://www.youtube.com/watch?v=P03ZNceXe2A&t=320s)) The fashion prompt stack\n\n([07:39](https://www.youtube.com/watch?v=P03ZNceXe2A&t=459s)) Live demo: generating a jacket from a prompt in ChatGPT\n\n([10:01](https://www.youtube.com/watch?v=P03ZNceXe2A&t=601s)) Why Image Gen 2.0 beats other models\n\n([11:51](https://www.youtube.com/watch?v=P03ZNceXe2A&t=711s)) The “prompt as spec” principle\n\n([14:02](https://www.youtube.com/watch?v=P03ZNceXe2A&t=842s)) Iterating the design\n\n([17:12](https://www.youtube.com/watch?v=P03ZNceXe2A&t=1032s)) Using Codex and computer use to build CAD files in 3D software\n\n([20:50](https://www.youtube.com/watch?v=P03ZNceXe2A&t=1250s)) Vendor research, outreach emails, and Superhuman browser use\n\n([23:34](https://www.youtube.com/watch?v=P03ZNceXe2A&t=1414s)) Building the full e-commerce site\n\n([27:40](https://www.youtube.com/watch?v=P03ZNceXe2A&t=1660s)) Quick recap and what’s still hard\n\n([30:05](https://www.youtube.com/watch?v=P03ZNceXe2A&t=1805s)) How Yana prompts when AI pushes back\n\n([31:15](https://www.youtube.com/watch?v=P03ZNceXe2A&t=1875s)) Where to find Yana and how to vote on her garments\n\n### Tools referenced:\n\n• ChatGPT (Images 2.0): [https://chat.openai.com](https://chat.openai.com)\n\n• Codex (OpenAI): [https://openai.com/codex](https://openai.com/codex)\n\n• CLO 3D (fashion pattern software): [https://www.clo3d.com](https://www.clo3d.com)\n\n• Vercel: [https://vercel.com](https://vercel.com)\n\n• GitHub: [https://github.com](https://github.com)\n\n• Stripe: [https://stripe.com](https://stripe.com)\n\n• Superhuman: [https://superhuman.com](https://superhuman.com)\n\n### Other references:\n\n• Ruth Asawa: [https://ruthasawa.com](https://ruthasawa.com)\n\n• SFMOMA (Ruth Asawa): [https://www.sfmoma.org/artist/Ruth_Asawa/](https://www.sfmoma.org/artist/Ruth_Asawa/)\n\n### Where to find Yana Welinder:\n\nLinkedIn: [https://www.linkedin.com/in/ywelinder/](https://www.linkedin.com/in/ywelinder/)\n\nWebsite: [https://www.yanabana.com](https://www.yanabana.com)\n\n### Where to find Claire Vo:\n\nChatPRD: [https://www.chatprd.ai/](https://www.chatprd.ai/)\n\nWebsite: [https://clairevo.com/](https://clairevo.com/)\n\nLinkedIn: [https://www.linkedin.com/in/clairevo/](https://www.linkedin.com/in/clairevo/)\n\nProduction and marketing by [https://penname.co/](https://penname.co/). For inquiries about sponsoring the podcast, email [[email protected]](/cdn-cgi/l/email-protection).", "url": "https://wpnews.pro/news/how-a-solo-founder-used-codex-and-chatgpt-to-launch-a-fashion-brand-without-yana", "canonical_source": "https://www.lennysnewsletter.com/p/how-a-solo-founder-used-codex-and", "published_at": "2026-08-17 12:04:02+00:00", "updated_at": "2026-08-17 12:10:56.180747+00:00", "lang": "en", "topics": ["generative-ai", "ai-tools", "ai-agents", "ai-products"], "entities": ["Yana Welinder", "Yana Bana", "OpenAI", "Codex", "ChatGPT Images 2.0", "CLO 3D", "Stripe", "Vercel"], "alternates": {"html": "https://wpnews.pro/news/how-a-solo-founder-used-codex-and-chatgpt-to-launch-a-fashion-brand-without-yana", "markdown": "https://wpnews.pro/news/how-a-solo-founder-used-codex-and-chatgpt-to-launch-a-fashion-brand-without-yana.md", "text": "https://wpnews.pro/news/how-a-solo-founder-used-codex-and-chatgpt-to-launch-a-fashion-brand-without-yana.txt", "jsonld": "https://wpnews.pro/news/how-a-solo-founder-used-codex-and-chatgpt-to-launch-a-fashion-brand-without-yana.jsonld"}}