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Building a safe, effective sandbox to enable Codex on Windows

OpenAI shipped Codex agents to Windows. Here's how they sandboxed it without killing productivity.

Reporting by OpenAI Blog 1 min brief
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The KeyNews take

Why it matters

OpenAI is expanding Codex deployment beyond cloud environments into Windows systems with native sandboxing—a critical infrastructure move for bringing AI coding agents into enterprise workflows at scale.

The key facts

8 to know

  1. Codex sandbox deployment on Windows platform

  2. Controlled file access and network restrictions implemented

  3. Safe coding agent execution enabled

  4. Technical infrastructure for enterprise adoption

  5. Codex sandbox now available on Windows platform

  6. Secure sandbox includes file access controls and network restrictions

  7. Enables safe, efficient coding agents with controlled execution environment

  8. Published May 15, 2026 — recent feature/capability rollout

Go to the source

OpenAI Blogopenai.com

Publisher excerpt: Learn how OpenAI built a secure sandbox for Codex on Windows, enabling safe, efficient coding agents with controlled file access and network restrictions.
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