Expired50% confidenceFactExact time
When executing code, Codex runs in a cloud sandbox environment hosted by OpenAI, employing a network access control whitelist mechanism that blocks external network requests by default
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/18/2026
First Seen
Valid until: 10/16/2026(expired)
Sources
Related Claims
VerifiedCodex's mobile version adopts a cloud sandbox architecture, where code execution does not occur on the local device but instead in isolated computing environments created on OpenAI's cloud.81% similarVerifiedCodex is a cloud-based AI programming agent launched by OpenAI that can autonomously read code repositories, write code, run tests, and submit pull requests within a sandbox environment.78% similarVerifiedOpenAI's Codex Agent platform focuses on a sandboxed code execution environment, where each task runs in an isolated container.77% similar
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