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

Technology startup Anthropic on Thursday launched what it called an improved artificial intelligence model, days after its product advances helped kick-start a selloff of traditional software stocks.

What began as a summer learning project has turned into a scientific discovery. An American high school student has ...

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 ...