Since last September, the tech giant has pumped $8 billion into the artificial intelligence start-up, a sign of intense competition in developing tools that are reshaping the tech sector. Artificial Intelligence, Start-ups, Computers and the Internet, Amazon.com Inc, Anthropic AI LLC Since last September, the tech giant has pumped $8 billion into the artificial intelligence start-up, a sign of intense competition in developing tools that are reshaping the tech sector. NYT > Business