OpenAI GPT-5.4 is rumored after a Codex demo leak; GPT-5.3 is already in Codex, raising release timing questions.

OpenAI has released its Codex desktop app for Windows, adding a native sandbox and PowerShell support, enabling developers to ...

OpenAI is rolling out Codex Security, an AI-powered application security agent that finds, validates and proposes fixes for ...

OpenAI has started rolling out Codex Security, an application security agent designed to help developers identify critical ...

OpenAI launches a Mac-only Codex app as an agent command center. Sandbox controls limit folder writes and network access for safer use. Switching between IDE, terminal, and app keeps context across ...

Developers can activate OpenAI’s new tool by giving it access to the code repository they wish to scan. According to the ChatGPT developer, Codex Security creates a temporary copy of the repository in ...

OpenAI has launched its new ChatGPT 5.4 with Extreme Reasoning mode for long-duration task focus. As well as a 1M-token ...

On Thursday, OpenAI released GPT-5.3-Codex, a new model that extends its Codex coding agent beyond writing and reviewing code to performing a much wider range of work tasks. The release comes as ...