CEO and Co-Founder of Anthropic Dario Amodei speaks during the 56th annual World Economic Forum (WEF) meeting in Davos, Switzerland, January 20, 2026. Denis Balibouse | ReutersOpenAI has the largest private tech fundraising round on record. Rival Anthropic now has the second. Anthropic announced on Thursday the close of a $30 billion funding round at a $380 billion post-money valuation, more than double what the artificial intelligence company was worth in September, when it last raised money.Th...