OpenAI shipped a HUGE upgrade to ChatGPT Code Interpreter and failed to document it (even in the release notes) - but ChatGPT can now pip/npm install packages and run code in Python, Node.js, Bash, Ruby, Perl, PHP, Go, Java, Swift, Kotlin, C and C++! https://simonwillison.net/2026/Jan/26/chatgpt-containers/
