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ChatGPT AI Apps Jul 24, 2026 42 views English

How I Vibe Coded a $900K App in 13 Minutes (Claude Design + Codex)

Discover how to build a startup-quality AI application in just 13 minutes using Claude Design and OpenAI Codex. This tutorial demonstrates a complete vibe coding workflow, covering UI design, AI-assisted coding, rapid prototyping, debugging, and launching a production-ready web app without traditional programming.

Learn how to build a high-value AI-powered web application using Claude Design and OpenAI Codex in this complete vibe coding tutorial. Follow the entire workflow from idea validation and prompt engineering to interface design, AI-generated frontend and backend development, debugging, code refinement, feature implementation, and deployment. The video showcases how modern AI coding assistants dramatically reduce development time while maintaining production-quality results. Ideal for entrepreneurs, SaaS founders, developers, indie hackers, startups, freelancers, product designers, and anyone looking to build scalable software faster with AI. Along the way, you'll discover practical prompting techniques, rapid iteration strategies, UI optimization, workflow automation, and best practices for transforming an idea into a fully functional application using the latest AI development tools.


Timestamps

00:00 Intro

00:51 Benefits of Saas Business

03:42 Setting Up Codex 5.5

05:12 ChatGPT Codex - Build Features

07:55 Breadcrumb Newsletter

08:31 Claude Design - Front End Design

12:17 Sponsor

14:00 Codex - Building Functionality

18:44 Codex - Adding Google Login

19:02 Remotion - Creating Marketing Video

23:02 Codex - Connect Google Calendar

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