# OpenAI — Building a safe, effective sandbox to enable Codex on Windows

- Company: OpenAI (openai.com)
- Announced: 2026-05-13T11:00:00+00:00
- Category: capability-change
- Subject: GPT / ChatGPT / API
- Models affected: Codex
- Source: https://openai.com/index/building-codex-windows-sandbox
- Record: https://forck.live/items/128-building-a-safe-effective-sandbox-to-enable-codex-on-windows

OpenAI built a sandbox to enable Codex on Windows with controlled file access and network limits.

## Evidence

Verbatim from https://openai.com/index/building-codex-windows-sandbox:

> Learn how OpenAI built a safe, effective sandbox to enable Codex on Windows with controlled file access and network limits.

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Record: https://forck.live/items/128-building-a-safe-effective-sandbox-to-enable-codex-on-windows
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