Multi-Agent

The OpenAI Codex App and What Multi-Agent Development Actually Looks Like

In February 2026, OpenAI shipped a standalone Codex app. The headline is straightforward: it lets you manage multiple AI coding agents across projects, with parallel task execution, persistent context, and built-in git tooling. It’s currently available on macOS for paid ChatGPT plan subscribers.

But the headline undersells what’s actually happening. The Codex app isn’t just a better chat interface for code—it’s an early, concrete version of what multi-agent software development looks like when it arrives as a consumer product. Understanding what it actually does (and doesn’t do) matters for any team thinking seriously about AI-assisted development in 2026.