ChatGPT Work on mobile and web is really Codex running in a VM

dkundel · x · 2026-07-26

ChatGPT Work on mobile and web is essentially Codex running inside a VM, with a cloud browser that can persist credentials.

That makes the product’s execution model clearer: it is not just a chat UI, but an agentic environment with browser access and stored login state.

Related event: ChatGPT Work Revealed as Codex Running Inside a Virtual Machine(2 posts)→

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