Tweet by theo

February 7, 2026

I've been using 5.3 Codex for 3 weeks. It's an incredible model. I've built so much stuff with it. Made a vid showing everything I love about it, as well as a few call-outs of things I hope OpenAI changes. https://t.co/aWzrRqRzXJ

Author
theo
Date
February 7, 2026