Anthropic, a smaller rival started by OpenAI defectors, has found runaway success with its programming agent, Claude Code.

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

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 ...

OpenAI announced on Friday it’s launching a research preview of Codex, the company’s most capable AI coding agent yet. Codex is powered by codex-1, a version of the company’s o3 AI reasoning model ...

OpenAI launches a new program offering free ChatGPT Pro, Codex tools, and API credits to support open-source developers and ...

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 ...

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, ...

Codex Security, formerly Aardvark⁠, has found hundreds of critical vulnerabilities in tested software in the past month.

OpenAI today introduced a new artificial intelligence model, GPT-5-Codex, that it says can complete hours-long programming tasks without user assistance. The algorithm is an improved version of GPT-5 ...

On Thursday, OpenAI announced the release of a light-weight version of its agentic coding tool Codex, the latest model of which OpenAI launched earlier this month. GPT-5.3-Codex-Spark is described by ...

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