Tether ships QVAC MedPsy on-device medical LLM; NASA expands Prithvi Earth model

Tether unveiled QVAC MedPsy, a class of medical language models that run directly on smartphones and wearables, reducing cloud dependence. NASA continues scaling its open-source Prithvi geospatial foundation model with 13 years of Earth observation data. The White House is publicly split over whether to regulate frontier models 'like an FDA drug.'