Understanding ChatGPT Work
· Source: Simon Willison
OpenAI introduced “ChatGPT Work” on July 9, positioning it as a more powerful and sophisticated iteration of its standard model. The service is split into two tiers: Work Cloud, accessed through chatgpt.com and mobile apps, and Work Local, available by installing the desktop application formerly called Codex. Both tiers are reserved for paid subscribers at a minimum of $20 per month; free users or those on the $8 plan cannot use them.
Work Cloud adds several features absent from the regular chat interface. Users can choose between GPT‑5.6 Sol, Luna, and Terra models, each offering different reasoning depths, as well as GPT‑5.5 variants. It also provides a code‑execution environment that can reach the internet, enabling package installation, repository cloning, and interaction with external APIs—capabilities blocked in the traditional chat. Another key tool is a headless Chrome browser that can load pages, fill forms, capture screenshots, and run JavaScript directly on the DOM, all without routing credentials through the model.
These enhancements make ChatGPT Work suitable for concrete‑output tasks such as report generation, data analysis, and scheduled automation. The announcement is significant because it expands the reach of generative AI in professional settings, giving businesses and developers a more versatile tool to embed automated processes and reduce reliance on custom code solutions.
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