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

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

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.

OpenAI announced the release of GPT-5.3-Codex, its most capable agentic AI coding model to date. “GPT‑5.3-Codex advances both the frontier coding performance of GPT‑5.2-Codex and the reasoning and ...

Our verdict: The dominant criticism of coding tool Codex has always been the same: It acts like a brilliant senior engineer who is methodical to a fault. It'll ship a full product autonomously that ...

The update enables developers to use coding agents such as Claude Agent and OpenAI’s Codex directly within Xcode to tackle tasks and app creation.

OpenAI CEO Sam Altman said using Codex made him feel “a little useless,” as the AI outperformed him in coding tasks. Codex helps developers write features, fix bugs, run tests, and suggest ...

Developers can use Anthropic’s Claude Agent and OpenAI’s Codex to take action in Xcode on their behalf. Developers can use Anthropic’s Claude Agent and OpenAI’s Codex to take action in Xcode on their ...

OpenAI is launching a desktop app for its artificial intelligence coding assistant, Codex. Codex is temporarily available to all ChatGPT users with Apple computers. The new app has a simple interface ...

OpenAI (OPENAI) on Monday unveiled a stand-alone Codex app for Apple's (AAPL) macOS, amid increased usage for its popular artificial intelligence coding assistant. The Codex app has a refreshed ...

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 ...

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, ...