DataFunSummit

May 1, 2026 · Artificial Intelligence

When to Use ChatGPT vs Codex: Exploring the New Era of AI Agents

This article explains how to choose between ChatGPT, Claude, Claude Code, and Codex, detailing Codex's seven core capabilities—including local file access, persistent memory, plugins, skills, image generation, computer control, automation, and the Chronicle screen‑monitoring feature—through concrete examples and step‑by‑step walkthroughs.