Elon Musk-led xAI finally unveiled its powerful Grok 3 AI model. The company also announced Grok 3 Reasoning models. Grok 3 outperforms GPT-4o, Claude 3.5 Sonnet, and Gemini 2.0 Pro on AIME 2024, GPQA ...

We present a theory of decisions in which attention to the features of choice options is determined by the decision maker's categorization of the current choice problem in a set of problems she solved ...