* Amazon steps up AI arms race with $4 billion investment in Anthropic CNBC Television
* Amazon invests up to $4 billion in Anthropic AI in exchange for minority stake and further AWS integration CNN
* Amazon to Invest Up to $4 Billion in AI Startup Anthropic Yahoo Finance
* AP Trending SummaryBrief at 6:42 a.m. EDT | Ap | berkshireeagle.com Berkshire Eagle
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