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In this video, I am going to give you a complete breakdown of what GPT 5.5 is all about. I'll show you how it works, it's new capabilities, and functions inside the Codex application. 

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⏳ Timestamps ⏳
00:00 | Overview
00:17 | Model Overview
03:00 | Here.now Deployment
04:14 | Computer Use
06:23 | Spread Sheets
07:30 | Presentations

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GPT 5.5 has launched and this walkthrough covers its key capabilities inside the Codex desktop application. Highlights include autonomous coding with browser control (building and testing a 2D checkers game), computer use (taking over desktop apps like Premiere Pro and Spotify), and data analysis with spreadsheet and PowerPoint generation. Codex can deploy apps instantly via a free hosting tool, connect MCP servers, and run automations. The $200/month Pro plan offers significant usage headroom compared to competing models like Claude.

Learn Codex & GPT 5.5 in 10 Minutes