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SIMON WILLISON · 31 Aug 2026

Understanding ChatGPT Work

OpenAI offers ChatGPT Work, a paid subscription product split into two versions. Work Local runs via a desktop app to access local files and programs, while Work Cloud operates through web and mobile interfaces. Both variants are restricted to subscribers paying twenty dollars a month or more.

Work Cloud differs from standard ChatGPT Chat by including a specific set of advanced features. These include a code execution environment with full internet access for cloning repositories and installing packages, a headless Chrome browser capable of handling logins and running JavaScript, and a persistent, shared filesystem across sessions. It also features the ability to build and deploy private or shared websites using Cloudflare Workers, run parallel sub-agent sessions using models like Sol, Luna, and Terra, and handle scheduled prompt automations.

Users can select specific models and reasoning levels within Work, with usage likely billed against a separate allowance from regular chat sessions. The toolset includes numerous specialized skills for tasks like document creation, image generation, data analytics, and spreadsheet manipulation.

Because Work combines private data access, exposure to untrusted external content, and communication capabilities, security questions remain regarding potential prompt injection attacks. Clear documentation from OpenAI is limited, requiring users to discover specific tool functionalities and system details through direct experimentation.

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