AI News Roundup — March 15, 2026
Healthcare AI dominated the news as both Amazon and Microsoft launched consumer health platforms, while Nvidia GTC 2026 opened in San Jose with 30,000 attendees ahead of Jensen Huang's highly anticipated Monday keynote.
Nvidia GTC 2026 Kicks Off in San Jose with 30,000 Attendees
Nvidia's massive GPU Technology Conference opened Sunday at the San Jose Convention Center with full-day technical workshops on multimodal AI agents, robotics, and accelerated networking. Jensen Huang's keynote is scheduled for Monday at 11am PT at the SAP Center, where he is expected to unveil the Vera Rubin AI platform, a new NemoClaw agentic AI platform, and the future of real-time rendering. Thirty thousand attendees from 190 countries are in attendance.
Amazon Launches Health AI for 200 Million Prime Members
Amazon expanded its Health AI assistant to its main website and app, offering free 24/7 virtual care powered by One Medical. Prime members receive up to five free direct-message consultations with providers for over 30 common conditions including cold, flu, UTIs, and allergies. Privacy advocates have raised concerns after Amazon acknowledged the system trains on user conversations.
Microsoft Unveils Copilot Health as AI-Powered Personal Health Companion
Microsoft launched Copilot Health, a new AI service that combines medical records from over 50,000 US health providers with data from 50 types of wearable devices including Apple Health, Oura, and Fitbit. The platform generates personalized health insights while keeping health conversations encrypted and separate from general Copilot chats. Microsoft AI head Mustafa Suleyman called it "the most important application of AI, full stop."
Apple Siri Transformation Powered by Google Gemini 1.2 Trillion Parameter Model
Apple's overhauled Siri now uses Google's massive 1.2 trillion parameter Gemini model while maintaining user privacy through Private Cloud Compute. The revamped assistant enables on-screen awareness and seamless cross-app integration, with the release targeting iOS 26.4 this month.
Basis Reaches Unicorn Status at $1.15 Billion Valuation
Basis closed a $100 million Series B round, reaching unicorn status at a $1.15 billion valuation for its agentic accounting platform. The funding signals strong investor appetite for AI agents that can autonomously handle complex enterprise back-office workflows like bookkeeping and financial reporting.
Gemini 3 vs Claude Sonnet 4.6 Head-to-Head Comparison
Tom's Guide ran a detailed comparison of Google's Gemini 3 and Anthropic's Claude Sonnet 4.6, finding that Gemini 3 Flash excels at speed and quick analysis tasks while Claude Sonnet 4.6 demonstrated superior reasoning, writing quality, and structured thinking. The conclusion reinforced that there is no single best AI model and the right choice depends on the use case.
AI Inference Costs Plummet as Gemini 3.1 Pro Matches Premium Models at a Fraction of the Price
Dramatic cost shifts in the AI model market show Google's Gemini 3.1 Pro at $2/$12 per million tokens now delivering performance that matches models costing $15/$60 just six months ago. The rapid deflation in inference costs is reshaping the competitive landscape and making advanced AI capabilities accessible to a much wider range of applications.