OpenAI Codex Gains Internet Access: First Impressions

What on Earth is Codex? Good question, right? The thing is, until recently, OpenAI had a model called Codex, which was used as the foundation for autocompletion in GitHub Copilot. Then, OpenAI released a console agent for development, which they named, so no one would get confused, Codex. 1 Everyone had a laugh at OpenAI’s naming skills 2, and life went on. Until the fateful day when a tweet like this appeared from Sam Altman: ...

June 4, 2025 · 5 min