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Building a safe, effective sandbox to enable Codex on Windows
May 15, 2026
OpenAI built a secure Windows sandbox for Codex that lets the coding agent run with controlled file access and network restrictions. It matters because the sandbox is what makes Codex practical on Windows while reducing the risk of unsafe file operations or network access.
Learn how OpenAI built a secure sandbox for Codex on Windows, enabling safe, efficient coding agents with controlled file access and network restrictions.
Source: openai.com