OpenAI has shipped a native Windows client for Codex, its AI coding agent. The app runs in a local agent sandbox and integrates directly with PowerShell, targeting Windows developer workflows specifically rather than forcing users through a browser or WSL workaround.
This matters because Codex on Windows was a gap. Mac and web users had the full agent experience while Windows developers, still a dominant share of the professional dev market, worked around it. A native sandbox means the agent can read, write, and execute code in the actual Windows environment, not an emulated one.
The technical details of how the sandbox is isolated, what permissions the agent holds, and how PowerShell integration is implemented are worth reading at developers.openai.com/wendows. The architecture choices here will tell you a lot about where OpenAI is taking local agent execution across platforms.
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