OpenAI said o3 and o4-mini are its first reasoning models that are able to respond by using all of ChatGPT’s tools, including browsing the web and generating and analyzing images.

Meanwhile, the new Codex CLI coding agent is designed to run on a user’s device, tapping a cloud-based connection to OpenAI’s o3 and o4-mini models to help it reason, but then also allowing it ...

AI company Anthropic today announced the launch of two new Claude models, Claude Opus 4 and Claude Sonnet 4. Anthropic says that the models set "new standards for coding, advanced reasoning, and ...

OpenAI cofounder and CEO Sam Altman. Today the company released two new AI “reasoning” models, o3 and o4-mini, as it seeks to show it can remain at the front of the AI pack. (Taylor Hill ...