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 Codex uses AI to help you understand and write code better. You can set up Codex Command-Line (CLI) to make the coding process a lot simpler and efficient. To ...

OpenAI has introduced GPT-5 Codex, a version of GPT-5 that is fine-tuned for coding agent workflows and built to better support developers working across varied environments. Rather than just ...

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

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 ...

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 ...