According to Greg Brockman on X, developer Christopher Ehrlich used GPT-5.3 Codex to rewrite the 1989 SimCity C codebase into TypeScript and run it in the browser with minimal guidance, demonstrating ...

GPT-5.3-Codex helped debug and deploy parts of itself. Codex can be steered mid-task without losing context. "Underspecified" prompts now produce richer, more usable results. OpenAI today announced ...

Artificial intelligence is entering the era of self-improvement. On Thursday afternoon, OpenAI released a new cutting-edge coding model that the company said assisted in its own creation.

Today, OpenAI announced GPT-5.3-Codex, a new version of its frontier coding model that will be available via the command line, IDE extension, web interface, and the new macOS desktop app. (No API ...

Credit: Joseph Maldonado / Mashable Composite by Rene Ramos. OpenAI released a new coding model today, GPT-5.3-Codex. The company said the new model has improved "reasoning and professional knowledge ...

Microsoft-owned GitHub continues to embrace OpenAI and Anthropic AI advances. Microsoft-owned GitHub continues to embrace OpenAI and Anthropic AI advances. is a senior editor and author of Notepad, ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. OpenAI announced yesterday Codex Desktop, a new native macOS app that treats AI coding ...

OpenAI has given software developers a new desktop toy, and judging by the early reactions, it might feel like someone finally handed coders the Swiss Army knife they’ve been dreaming about or the ...

OpenAI has introduced Codex, a desktop application for Macs that lets users run several AI agents simultaneously, making it suitable for much more complex tasks than ChatGPT alone. A software agent ...

Since last spring, OpenAI has offered Codex. What started life as the company's response to Claude Code is becoming something more sophisticated with the release of a new dedicated macOS app. At its ...

OpenAI has just launched a brand new Mac app: Codex, which it says is “the best way to build with agents.” Here are the details. OpenAI is expanding its lineup of macOS apps. Joining the existing ...

AI is already having a seismic impact on how software is written, with much of the grunt work of programming now performed by swarms of agents and subagents. But as developers experiment with new ...