I Ran Codex and Claude Code Side by Side for a Week

Codex just hit 1M weekly active users, GPT-5.4 under the hood, Figma MCP integration. Claude Code has been my daily driver for months. I gave both the exact same tasks for a week and tracked speed, code quality, context handling, pricing, and GitHub integration. Neither won cleanly.

March 19, 2026 ยท 7 min ยท Zidane