The Complete Guide to Getting Started with OpenAI CodeX
Master Codex CLI: Install, configure, and use OpenAI's coding tool with ChatGPT or API keys. Run locally or via SSH. Free with Plus/Team.
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A comprehensive Codex CLI tutorial covering everything from installation and configuration to practical usage, helping you quickly master this powerful tool. Currently, Codex CLI is still relatively basic and in a state of frequent updates.
Prerequisites
Before getting started, you need to check your development environment:
macOS 12+, Ubuntu 20.04+/Debian 10+, or Windows WSL2.
To log in, you need a ChatGPT Plus, Pro, or Team account to fully utilize Codex CLI, which allows you to use the latest models including GPT-5 for free.