In this video, I compare GPT-5.3 Codex and Claude Opus 4.6 using a benchmark overview plus 4 real engineering tasks.
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- X: https://x.com/_alejandroao
- LinkedIn: https://www.linkedin.com/in/alejandro-ao/
Tasks covered:
- Landing page improvement
- Visual physics simulation
- One-shot web game build
- Laravel to Next.js migration
I use the same task framing for both models and score them based on practical output quality and execution.
Chapters:
00:00 Introduction and methodology
01:38 Announcement benchmarks and pricing
04:17 Task 1 - Landing page improvement
08:34 Task 2 - Visual physics simulation (Claude and Codex results)
12:50 Task 3 - One-shot web game
15:20 Task 4 - Laravel to Next.js migration (build and results)
21:47 Final score and conclusion
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AI Maker Residence 3
The third AI workshop taught by our legendary teacher, Nick Sarafa. This is a full-day hands-on training workshop for purposeful co-creation with AI using Claude Code.
Imagine having access to hundreds of billions of dollars of computing power and knowing exactly how to make it work for you through the power of super intelligence.
◆ Fri 09 Oct 2026◆ KOKO Cafe, London◆ With Nick Sarafa
