ChatGPT Codex

The Colleague or the Contractor: What Claude Code and ChatGPT Codex Are Really Telling Your Business

Two tools. Two philosophies. Haruto closed his laptop at 5:31pm Friday with a production bug unfixed. Monday morning, a PR was waiting. That's ChatGPT Codex. The engineering lead who spent three hours understanding an 11-year-old codebase — and emerged knowing it better than anyone — that's Claude Code. Here's how to tell which problem you actually have.

Marco Lobo·Mar 9, 2026·12 min read