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Join Agentic Business Academy and start building AI agents ⤵️ https://www.skool.com/agenticacademy/about Summary ⤵️ GPT-5.4 just dropped and it’s one of the first OpenAI models that can actually use your computer, build software locally, and run agent-style workflows. In this video I test the new features inside Codex and show what it can actually do in real scenarios. In this video, I break down 5 new features in GPT-5.4 / Codex Computer Use and show what actually changed, what’s worth using right now, and how it holds up in real tests for coding, building apps, and agentic systems. What you’ll learn ⤵️ ✅ How GPT-5.4 can control parts of your computer and run tasks locally ✅ How to build a fully functional 3D chess game app from a single prompt ✅ How OpenAI’s new Computer Use Authorization (CUA) works ✅ How agents can run tasks step-by-step while you watch the activity ✅ How Codex can generate real websites and applications from simple files My software, tools, and deals (some links are affiliate, thank you!) 🔧 n8n: https://n8n.partnerlinks.io/6kdypeupx37k 🧩 Make.com: https://www.make.com/en/register?pc=kyleherbel 📩 Instantly: https://refer.instantly.ai/6v8e47cuabib 🔎 AnyMailFinder: https://anymailfinder.com/?via=kyle 🎧 ElevenLabs: https://try.elevenlabs.io/inzuntfq3uc6 Follow me on other platforms 📷 Instagram: https://www.instagram.com/kyleherbel/ 🐦 X: https://x.com/KyleHerbel 🖥️ Website: https://cortextools.ai/ ✉️ Business: contact@cortextools.ai Chapters ⤵️ 00:00 GPT-5.4 Release Overview 01:05 How to Access GPT-5.4 in Codex 03:10 Building a 3D Chess Game with One Prompt 06:20 Computer Use Authorization (CUA) Demo 09:15 Building Websites and Apps with Codex Why watch? If this is your first video, I’m Kyle Herbel. A few years ago I was a complete beginner learning AI from scratch and testing everything the hard way. Once it clicked, I started building real automations and systems, not just prompts, and turned that into an agency that’s now done over $500,000 in total revenue. Now I’m building communities and training programs to help people learn how to build real AI systems and agentic workflows, not just prompts. 👍 Like, subscribe, and I’ll see you in the next video. 🚀