I want to like Claude but I keep having to pop over to codex and I feel at some point I'll stop starting with Claude and just use Codex from the start.
GPT 5.4 is working pretty well for me, both in Copilot and Codex vscode extensions
If you create a plan it follows it closely
Claude to plan, codex to implement. Claude's giant context is great for reading large amounts of code but it is currently incapable of following instructions/guidelines.