Top Tech News Today | GPT-5.4 Launch, Amazon Health AI, Cluely Revenue Controversy, WhatsApp Subscription, US Chip Rules

Major AI developments shape the tech landscape: OpenAI's GPT-5.4 launch advances language capabilities, Amazon enters healthcare AI with new tools, while regulatory pressures mount. WhatsApp introduces subscription models, and U.S. chip regulations tighten competitiveness. These shifts reflect intensifying competition in AI, healthcare technology, and semiconductor industries, signaling broader industry consolidation and policy-driven innovation.