Codex by OpenAI – A command center for AI coding and software development

Summary: Codex is a macOS app that coordinates multiple AI agents to assist in software development through parallel workflows, long-running tasks, and integrated tools. It supports isolated worktrees, planning, customizable interaction styles, and automation to streamline coding, deployment, and maintenance.

What it does

Codex enables multiple AI agents to work concurrently on isolated worktrees within the same repository, allowing clean code reviews and inline feedback. It offers planning via the /plan command, customizable agent personalities, integration with external tools, and automation for recurring tasks.

Who it's for

It is designed for developers and teams managing software projects who need coordinated AI assistance across the full development lifecycle.

Why it matters

Codex addresses the complexity of managing multiple AI agents and workflows, improving collaboration, task automation, and integration in software development.