Outlook Business Desk
OpenAI has launched a dedicated macOS app for Codex, integrating multiple agent-driven workflows. The app allows parallel agents, shared context across tasks and flexible state management for complex development projects.
Following the recent GPT-5.2-Codex release, OpenAI pairs its most advanced coding model with an intuitive macOS interface, aiming to draw developers who have been using rival platforms like Claude.
OpenAI CEO Sam Altman said the main challenge has been usability, not model strength. The macOS Codex app makes managing large and evolving codebases easier and more efficient for everyday developer work.
Benchmark results are varied. GPT-5.2 tops TerminalBench for command-line coding, but Gemini 3 and Claude Opus deliver close scores. SWE-bench testing for real-world bug fixes also shows no clear frontrunner.
The Codex app lets developers schedule background automations, so tasks run automatically with results queued. Agents can be customised with personalities ranging from pragmatic to empathetic, shaping communication and task management.
Altman believes that with properly set-up agents developers could create a full software project in just hours and says that typing speed rather than model power is becoming the main limiting factor.
However, it remains unclear if Codex’s enhanced interface and agent-based workflows will convince developers to switch from established rivals. Real-world use and daily coding experiences will ultimately show its effectiveness and appeal.