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.

Claude Opus 4.6 and ChatGPT 5.3 Codex launch with a 1-million-token window and 25% faster runs, letting you match tasks to ...

OpenAI's new GPT-5.3-Codex is 25% faster and goes way beyond coding now - what's new ...

GPT-5.3-Codex is about more than just writing code ...

What if you could supercharge your coding workflow, cutting hours off repetitive tasks while improving the quality of your code? With the right upgrades, ChatGPT Codex transforms from a helpful ...

OpenAI's "Codex" AI model is back, in a new form from the 2021 offering that powered the original GitHub Copilot and kickstarted the GenAI craze. Rather, the new Codex, now in research preview, is ...

Codex will remain free, and Deep Research just got better ...

OpenAI’s GPT-5.3-Codex expands Codex into a full agentic system, delivering faster performance, top benchmarks, and advanced cybersecurity capabilities.

OpenAI launched a standalone app for its AI coding assistant, Codex, which is available on Apple computers. The app aims to make it easy for software developers to manage multiple AI agents at once, ...

OpenAI has launched a new Codex desktop app for macOS that lets developers run multiple AI coding agents in parallel, ...

OpenAI has launched a new Codex desktop app aimed at helping developers manage multiple ...