ChatGPT Codex: A Practical Comparison for AI-Powered Development
Published:Jan 14, 2026 14:00
•1 min read
•Zenn ChatGPT
Analysis
The article highlights the practical considerations of choosing between AI coding assistants, specifically Claude Code and ChatGPT Codex, based on cost and usage constraints. This comparison reveals the importance of understanding the features and limitations of different AI tools and their impact on development workflows, especially regarding resource management and cost optimization.
Key Takeaways
- •The article compares the practical use of Claude Code and ChatGPT Codex for coding tasks.
- •It emphasizes the limitations of subscription plans, such as usage caps, influencing developer workflow.
- •The user discovers the availability of Codex within an existing ChatGPT Pro subscription, optimizing resource use.
Reference
“I was mainly using Claude Code (Pro / $20) because the 'autonomous agent' experience of reading a project from the terminal, modifying it, and running it was very convenient.”