Artificial Intelligence Amazon to Invest Up to $4 Billion in AI Startup Anthropic – Yahoo Finance Google Inc. September 25, 2023 September 25, 2023 Amazon to Invest Up to $4 Billion in AI Startup Anthropic Yahoo FinanceAmazon to invest up to $4bn in OpenAI rival Anthropic The GuardianAmazon to Invest Up to $4 Billion in Anthropic as AI Arms Race Escalates - WSJ The Wall Street Journal