Codex App for macOS Now Available
OpenAI has introduced the Codex app, a dedicated desktop application designed to serve as a command center for managing multiple coding agents simultaneously. The app addresses a fundamental shift in how developers work with AI—moving from single-agent code generation to orchestrating coordinated teams of agents across the full software development lifecycle, from design through maintenance.
Multi-Agent Orchestration and Parallel Execution
The Codex app enables developers to:
- Run agents in parallel across separate threads organized by project, allowing seamless context switching without losing conversation history
- Manage code changes collaboratively by reviewing agent modifications in-thread, commenting on diffs, and opening changes in your editor for manual refinement
- Avoid merge conflicts with built-in worktree support, allowing multiple agents to work on the same repository simultaneously on isolated code copies
- Integrate existing workflows by picking up session history and configuration from the Codex CLI and IDE extensions
Skills Framework Extends Agent Capabilities
Beyond code generation, the new skills framework allows Codex to tackle complex tasks requiring information synthesis, problem-solving, writing, and workflow automation. Skills bundle instructions, resources, and scripts that enable Codex to reliably connect to external tools and execute multi-step processes. The Codex app includes a dedicated interface to create and manage skills, with developers able to explicitly request specific skills or let the agent choose automatically.
OpenAI demonstrated this capability by having Codex build a complete 3D racing game using over 7 million tokens, combining image generation and game development skills to handle design, development, and QA testing independently.
Expanded Access and Rate Limit Increases
For a limited time, Codex is included with ChatGPT Free and Go plans, significantly expanding access to the technology. Additionally, OpenAI is doubling rate limits across ChatGPT Plus, Pro, Business, Enterprise, and Edu plans—improvements that apply across the desktop app, CLI, IDE extensions, and cloud deployments.
Open Source Skills Library
OpenAI is releasing an open source library of skills built internally for common developer workflows, including:
- Figma integration for translating designs into production-ready UI code with visual parity
- Project management capabilities for bug triage and release tracking
- Evaluation and training workflows for ML systems
Developers can fork and customize these skills or contribute new ones to the community repository.