OpenAI’s GPT-5.3-Codex thinks deeper and wider about coding work

The company says its latest model’s agentic skills also apply to a broader set of knowledge work such as presentations and ...

Vibe coding is coding, period

As AI tools such as Claude Code take off, most of the world’s software may end up being written by software. Hello, and welcome back to Fast Company ’s Plugged In.

I used Xcode 26.3 to build an iOS app with my voice in just two days - and it was exhilarating

Want to see what agentic coding really feels like? Come along on my wild, wonderful, and terrifying two-day vibe coding adventure with Xcode 26.3.

OpenAI’s latest Codex moves beyond just coding

When OpenAI unveiled GPT-5.3-Codex, this was no longer being positioned as a developer tool but as a general-purpose work agent capable of operating across software engineering, knowledge work, and ...

GPT-5.3-Codex Released as OpenAI’s First AI Model to Assist in Its Own Development

OpenAI’s GPT-5.3-Codex is 25 percent faster and requires less than half the tokens as its predecessor, 5.2-Codex.