Amazon on Friday announced it would invest an additional $4 billion in Anthropic, the artificial intelligence startup founded by ex-OpenAI research executives. The new funding brings the tech giant's total investment to $8 billion, though Amazon will retain its position as a minority investor, according to Anthropic, the San Francisco-based company behind the Claude chatbot and AI model. Amazon Web Services will also become Anthropic's "primary cloud and training partner," according to a blog post. From now ...