Claude Code vs ChatGPT Codex: What 100 Hours of Testing Reveals

A 100-hour comparison found Claude Code stronger for customizable, enterprise-style workflows, sub-agent delegation, and front-end/dashboard tasks.

ChatGPT Codex stood out for fast, instruction-based execution, research, document creation, and GitHub-centered workflows.

The tools also differ in integrations and pricing: Claude emphasizes flexible automation, while Codex focuses on streamlined, efficient use.

The takeaway for teams is to choose based on workflow complexity, integration needs, and cost structure.