OpenAI Unleashes Codex macOS App for Multi-Agent Coding

An AI just wrote a complete user authentication system in under a minute—a task that typically consumes three hours of careful developer work.
That’s not a futuristic demo. That’s what’s happening with OpenAI’s new Codex app for macOS.
According to the announcement, OpenAI has built an agentic system that actually completes entire coding projects—no hand-holding required. While you’re in meetings or grabbing coffee, it analyzes problems, writes solutions