18th February 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
- DeepSeek V4 - almost on the frontier, a fraction of the price - 24th April 2026
- Extract PDF text in your browser with LiteParse for the web - 23rd April 2026
- A pelican for GPT-5.5 via the semi-official Codex backdoor API - 23rd April 2026