New Delhi, Sept. 16 -- OpenAI has released GPT-5-Codex, a variant of its GPT-5 family optimised for use with the Codex coding agent. The release coincides with updates across the Codex product stack, including a rebuilt Codex CLI focused on agentic workflows, an IDE extension for VS Code and compatible forks, GitHub integration for code reviews, and web workflow improvements.

Access to Codex is included for OpenAI users on ChatGPT Plus, Pro, Business, Edu, and Enterprise plans, with usage limits that scale by plan. OpenAI says Plus, Edu, and Business plans will cover "a few focused coding sessions each week," while users on the Pro plan can expect a "full workweek across multiple projects." API access is planned to arrive soon for Codex ...