
An AI Model Just Read 30,000 Brain MRIs with 97.5% Accuracy
University of Michigan researchers built Prima, an AI vision language model that interprets brain MRIs in seconds, diagnoses 50+ neurological conditions with up to 97.5% accuracy, and could reshape how emergency medicine handles neurological crises.

Grok 4.2: The Multi-Agent AI That Debates Itself
xAI's Grok 4.2 replaces the single-model approach with four specialized AI agents that debate in real-time — cutting hallucinations by 65% and redefining how frontier models work.