26th January 2026
Research
What we learned today about this ChatGPT “container” environment
— Experiments in the ChatGPT sandbox reveal that general outbound internet access from Python and other user code (such as HTTP requests) is entirely blocked, while package managers like pip and npm are permitted to fetch dependencies using curated internal registry proxies. The container provides a privileged fetching mechanism (`container.download`) for select public URLs, which is more powerful than standard code-based networking.
Recent articles
- Publishing WASM wheels to PyPI for use with Pyodide - 13th June 2026
- Claude Fable is relentlessly proactive - 11th June 2026
- Initial impressions of Claude Fable 5 - 9th June 2026