Using both and connecting them together is a solid setup. Use Codex as the manager/operator and then bring in Claude Code when you need deeper thinking. Codex is great for the everyday stuff: moving around files, making quick edits, running commands, and keeping momentum. Then when something gets more complex, like architecture, a big feature, creating content, a messy bug, or reviewing a whole codebase, hand that part to Claude Code. So Codex would run the workflow most of the time, and Claude would handle the harder 20 to 30% where better reasoning matters. Having them check each other’s work can also lead to better output and catch mistakes you might miss with just one tool.