Anthropic just closed on a 13billionSeriesFfundinground.It′sbeenaboutamonthsinceOpenAIunveileditslatestmodel,GPT−5.Inthattime,rivalplatformshavemadeboldmovesoftheirown.Perplexity,forinstance,drewheadlineswitha34.5 billion unsolicited bid for Alphabet's Google Chrome, while Anthropic -- backed by both Alphabet and Amazon (AMZN 1.04%) -- closed a 13billionSeriesFfundingroundthatpropelleditsvaluationtoaneye−popping183 billion.Since debuting its AI chatbot, Cl ...