Learning Timeline
Key Insights
Token & Cost Savings
Using Claude Code within the Codex terminal allows you to leverage your existing subscription (the $20 or $200 per month plans). This is more cost-effective because you get access to a high token volume without having to pay for separate API costs.
Model Effort Level Tips
For simple tasks, use the 3.5 model on 'low' or 'medium effort'. Avoid using 'extra high effort' for small tasks, as the AI tends to make overly complex changes or exceed the required scope.
Prompts
Example Claude Code Design Command
Target:
Claude Code
redesign the chess app to make it the anthropic vibe
Step by Step
How to Run Claude Code in the Codex Terminal
- Open your Codex editor.
- Press the keyboard shortcut 'Command + J' (macOS) or 'Ctrl + J' (Windows/Linux) to open the terminal window inside Codex.
- Type the command 'claude' at the terminal prompt and press Enter to launch the Claude Code interface.
- Make sure to use the '--dangerously-skip-permissions' mode if you want Claude to automatically apply file changes without requiring manual confirmation for every action.
- Enter your commands or prompts directly into the terminal to begin the code generation or editing process.
- Monitor code changes made by Claude in real-time directly within your Codex workspace.