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.
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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.
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Resources Mentioned
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📦 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
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https://skool.com/agentic-labs
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Subscribe / Connect
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Question
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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
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About This Video
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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
On this page of the site you can watch the video online ChatGPT Codex vs Traditional Coding - You Need to See This with a duration of hours minute second in good quality, which was uploaded by the user Leon van Zyl 02 July 2026, share the link with friends and acquaintances, this video has already been watched 5,935 times on youtube and it was liked by 154 viewers. Enjoy your viewing!
