OpenAI on Monday launched a new family of models called GPT-4.1. Yes, “4.1” — as if the company’s nomenclature wasn’t confusing enough already. There’s GPT-4.1, GPT-4.1 mini, and GPT-4.1 nano, all of ...

On Thursday, Anthropic released Claude Opus 4 and Claude Sonnet 4, marking the company’s return to larger model releases after primarily focusing on mid-range Sonnet variants since June of last year.

Anthropic has just set the bar higher in the world of AI with its new release: Claude 4. The new models—Claude Opus 4 and Claude Sonnet 4—are not mere incremental updates. They are a huge leap ahead ...