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 ...

Claude Opus 4 is Anthropic's most powerful model to date, and it is the world's best coding model with a 72.5 percent score on SWE-bench and 43.2 percent score on Terminal-bench.

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 ...