ChatGPT Codex vs Traditional Coding - You Need to See This

Learn how to use OpenAI ChatGPT Desktop App step by step — build a full web app using the ChatGPT desktop workspace, without writing the code yourself. 🚀 My AI coding courses, live Q&A, weekly builder challenges, direct access to me, and a serious builder community: https://skool.com/agentic-labs 🎁 Get the free 7-Day AI Builder Challenge + resources for this video: https://skool.com/leonvanzyl Disclosure: This video is not sponsored. Some links are affiliate links, which means I may earn a small commission at no extra cost to you. In this video, I show you how to build an AI native fitness app from scratch inside the OpenAI Desktop desktop app, powered by a free local model running on Ollama. You'll learn how to set up and navigate the Codex workspace, plan properly using plan mode, the grill-me skill, and feature files, and build plus test a real app end to end, all running multiple agents in a single visual workspace. =========================== Resources Mentioned =========================== 📦 Source code, prompts, workflows + peer discussion: https://skool.com/leonvanzyl OpenAI Codex (download): https://openai.com/codex Ollama (run local models): https://ollama.com Qwen 3.6 model on Ollama: https://ollama.com/library/qwen3.6 grill-me skill (skills.sh): https://skills.sh Vercel AI SDK: https://ai-sdk.dev =========================== Watch This Next =========================== =========================== Go Deeper with Agentic Labs =========================== 🧪 AI coding courses, live Q&A, weekly builder challenges, direct access to me, and a serious builder community: https://skool.com/agentic-labs =========================== Subscribe / Connect =========================== Subscribe for practical AI building, agentic coding, automation, and real app builds:    / @leonvanzyl   Business & sponsorship enquiries: [email protected] =========================== Question =========================== What are you building with the Codex app right now? ⏱️ Chapters 0:00 Why Try ChatGPT Desktop App 0:21 Install The ChatGPT App 1:27 Workspaces And Sessions 2:23 ChatGPT App Settings Tour 5:21 Create Project Select Model 6:23 Using Plan Mode 6:55 Plugins And Agent Skills 9:18 Plan App With Grill Me 10:46 Parallel Sessions And Mockups 11:45 Design System And AI SDK 13:06 Save And Split Plan 15:14 Implement With Goal Command 16:32 Pet Command And Testing 17:59 Final Result And Recap =========================== About This Video =========================== In this video, I show you how to build a real, working AI app using the OpenAI ChatGPT Desktop app and a free local model on Ollama. This tutorial is for developers, AI builders, and serious no-code/low-code builders who want practical workflows for building real apps, AI agents, automations, and coding systems. On this channel, I share practical AI engineering and agentic coding workflows using tools like Claude Code, OpenCode, Codex, Cursor, n8n, Next.js, MCP, local AI models, and modern AI development workflows. #agenticcoding #codex #aicoding