OpenAI launched GPT-5.3-Codex as Anthropic released Claude Opus 4.6 in a simultaneous drop that kicks off the AI coding wars, ...

Adversaries weaponized recruitment fraud to steal cloud credentials, pivot through IAM misconfigurations, and reach AI ...

The new model is built to accelerate the capabilities of Codex, the agentic coding tool OpenAI launched earlier this week.

OpenAI has a published Preparedness Framework, which it uses for measuring and protecting against severe harm from frontier AI capabilities. In the blog post announcing GPT-5.3-Codex, the company says ...