OpenAI calls the new coding tool the "first milestone" in its relationship with the chipmaker.

OpenAI is trying to win market share from rivals like Anthropic and Cursor as AI coding tools gain in popularity.

OpenAI has recently published a detailed architecture description of the Codex App Server, a bidirectional protocol that decouples the Codex coding agent's core logic from its various client surfaces.

Notably, GPT-5.3-Codex is the first OpenAI model that was used to create itself: The team used early versions of the model to debug its training, manage its deployment, and diagnose test results and ...

The company says its latest model’s agentic skills also apply to a broader set of knowledge work such as presentations and ...

OpenAI's Codex just got its own Mac app - and anyone can try it for free now ...

OpenAI launches Codex desktop app for AI coding, enabling multi-agent workflows, skills, and expanded access for ChatGPT ...

ChatGPT Pro subscribers can try the ultra-low-latency model by updating to the latest versions of the Codex app, CLI, and VS Code extension. OpenAI is also making Codex-Spark available via the API to ...

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 ...

Codex Max processes massive workloads through improved context handling. Faster execution and fewer tokens deliver better real-world efficiency. First Windows-trained Codex enhances cross-platform ...