ChatGPT Gains Bash Command Execution and Multi-Language Programming Support in Major Container Upgrade

Jan 27, 2026
Simon Willison’s Weblog
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Summary

ChatGPT receives massive upgrade enabling direct bash command execution, support for over 10 programming languages including Java and Swift, plus new abilities to download files from URLs and install packages through secure containers.

Key Points

  • ChatGPT containers receive major upgrade allowing direct bash command execution and support for 10+ programming languages including Node.js, Ruby, Perl, PHP, Go, Java, Swift, Kotlin, C and C++
  • New container.download tool enables ChatGPT to locate and download files from web URLs into sandboxed containers, while pip install and npm install now work through custom proxy mechanism
  • Enhanced capabilities allow ChatGPT to install additional packages via pip and npm, download external files, and execute code in multiple languages within secure container environment

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