An SEC filing reveals that Nvidia plans to spend $26 billion on open-weight AI models over the next five years. The move doubles as a strategic response to the growing dominance of Chinese open-source models - and a way to keep developers locked into Nvidia's hardware ecosystem.

Microsoft is launching Copilot Health, an AI health assistant that pulls data from wearables, medical records, and lab results to deliver personalized health advice. Long term, the company says it's working toward "medical superintelligence."

Google Maps is turning into an AI travel advisor. The new "Ask Maps" feature answers complex questions in plain language and shows personalized results on a customized map. Google is also shipping a completely revamped 3D navigation system.

ChatGPT continues to dominate the chatbot market, but its lead is shrinking. According to new Similarweb figures, OpenAI's chatbot has fallen from 75.7 to 61.7 percent market share in just twelve months. The big winner: Google Gemini, which has quadrupled its share from 5.7 to 24.4 percent.

The US Department of War wants to ban Anthropic's Claude from its supply chain because the AI models are too ethical. The approach echoes China's political control of AI.