I tested Claude Code vs. ChatGPT Codex in a real-world bug hunt and creative CLI build — here’s which AI coding agent thinks like a developer and which one ships safer code.

Codex CLI is an open-source coding agent from OpenAI, written primarily in Rust, that runs locally on your computer. Codex IDE extension is a coding agent that runs in Visual Studio Code and its forks ...

OpenAI has launched a new Codex extension for VS Code and its forks, allowing developers to use the AI coding agent directly within their IDE. Back in May, OpenAI announced Codex, a cloud-based ...

OpenAI's new Spark model codes 15x faster than GPT-5.3-Codex - but there's a catch ...

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 ...

What if your coding assistant could not only understand your commands but also adapt to the unique demands of your workflow? The rise of AI-powered coding tools has transformed the way developers ...

OpenAI announced on Friday it’s launching a research preview of Codex, the company’s most capable AI coding agent yet. Codex is powered by codex-1, a version of the company’s o3 AI reasoning model ...