Code & improve / RESEARCH-BASED GUIDE
Codex
Delegate feature work, bug fixes and code review to OpenAI’s coding agent across supported coding surfaces.
Official sources checked · No hands-on testing
Visit Codex’s official website (opens in a new tab)When is Codex useful?
You have a repository and want help investigating it, making changes and running its development tools.
Consider another route when
Your main need is a fixed-template visual editor with no source-code decisions.
Experience that helps
Intermediate; beginners benefit from technical review.
How does Codex pricing work?
ChatGPT plans; limits vary
Included across ChatGPT plans with plan-dependent limits. Higher-usage and business credit options are available.
Pricing and allowances can change. Check the official sources below before committing to a plan.
What are Codex’s limitations?
Codex Cloud has separate plan eligibility and workspace controls; free access does not include every surface. Review changes and test the result before shipping.
Official sources for Codex
These product, documentation and pricing pages support this research-based summary.