AdvertisementSKIP ADVERTISEMENTThe announcement follows new fund-raising efforts from rivals like OpenAI, which is set to close a deal that values the company at $300 billion, and Elon Musk’s xAI.Dario Amodei, chief executive and a co-founder of Anthropic. A little more than a year ago the company was valued at $16 billion. Credit...Jeff Chiu/Associated PressMarch 3, 2025The artificial intelligence start-up Anthropic said on Monday that it had completed a new fund-raising deal that valued the co...