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.
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 knowCodex sandbox deployment on Windows platform
Controlled file access and network restrictions implemented
Safe coding agent execution enabled
Technical infrastructure for enterprise adoption
Codex sandbox now available on Windows platform
Secure sandbox includes file access controls and network restrictions
Enables safe, efficient coding agents with controlled execution environment
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.