Anthropic, the developer of the Claude AI assistant, has surpassed OpenAI in market valuation after a new funding round, reaching a valuation of nearly $1 trillion. The company's growth is attributed to the popularity of its Claude AI assistant and the Claude Code service. Anthropic's annual revenue has grown to $47 billion, with the company introducing new artificial intelligence models and services. The funding round included investments from major investors such as Altimeter Capital and Sequoia Capital.