AI News Roundup Today (Dec. 18, 2025): OpenAI’s $750B Funding Talks, Google’s Gemini 3 Flash, Amazon’s AI Shakeup, and the Data Center Backlash
OpenAI is in talks to raise up to $100 billion at a $750 billion valuation, Reuters reports. Google made Gemini 3 Flash the default in its app and Search. Amazon is restructuring its AI division under AWS leadership as Rohit Prasad prepares to leave. U.S. senators are investigating whether data centers are raising electricity bills, with calls for a pause on new construction.