Amazon is investing an additional $4 billion in artificial intelligence startup Anthropic, boosting its stake in one of OpenAI’s chief rivals.The new infusion, announced by the companies on

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.

Amazon.com pumped another $4 billion into OpenAI competitor Anthropic, as the e-commerce giant goes up against Big Tech rivals in a race to capitalize on generative artificial intelligence technology.