GPT-5.3-CODEX: New Codex App (Building a GTA Game)!

Description

I'm testing out OpenAI's new GPT-5.3-Codex model and the Codex app by building a GTA-style browser game from scratch. In this video, I walk through Skills, Automations, and show you what this thing can actually do. 🔗 Links: Codex App: https://openai.com/codex Yesterday's GPT-5.3-Codex Deep Dive: https://www.youtube.com/watch?v=2ECcWs6n-UA Codex Documentation: https://developers.openai.com/codex ⏱️ Timestamps: 0:00 - Intro 0:17- What are Skills? 1:54 - What are Automations? 3:16 - Building a GTA-Style Game 6:53 - Minecraft Demo 7:47 - Windows Update 8:24 - Outro For hands-on demos, tools, workflows, and dev-focused content, check out World of AI, our channel dedicated to building with these models: ‪‪ ⁨‪‪‪‪‪‪‪@intheworldofai 🔗 My Links: 📩 Sponsor a Video or Feature Your Product: intheuniverseofaiz@gmail.com 🔥 Become a Patron (Private Discord): /worldofai 🧠 Follow me on Twitter: https://x.com/UniverseofAIz 🌐 Website: https://www.worldzofai.com 🚨 Subscribe To The FREE AI Newsletter For Regular AI Updates: https://intheworldofai.com/ #GPT53Codex #openai #codex #AIcoding #AgenticAI #AIdev #MachineLearning #DevTools #AItools #Programming #SoftwareEngineering #TechDemo #AI #ArtificialIntelligence #CodingAssistant #Automation #AIagents #BuildInPublic #CodeWithAI #futureofcoding GPT-5.3-Codex, OpenAI Codex, Codex app, AI coding, agentic AI, coding assistant, OpenAI, AI tools, machine learning, software development, AI programming, developer tools, ChatGPT, AI automation, artificial intelligence, code generation, AI agents, tech demo, GPT-5, automation tools, dev productivity, React, JavaScript, AI demos, future of coding, AI assistant, Codex CLI, generative AI, LLM, AI engineering, web development, programming