Trying GPT-5.4 on a Personal Project: Building ShopTogether
I use Claude Code a lot in my day-to-day workflow, so that is usually my default when I want help with engineering tasks. But recently I wanted to try GPT-5.4 in Codex on something practical instead of judging it from small examples. I had tried Codex a while ago, and honestly my experience with it back then was not good. It often did not produce the right results for me, so I did not come into this project with blind optimism. That is part of why this test felt useful: I wanted to see whether the current model was actually better in practice. ...