Anthropic surpasses OpenAI to become most valuable AI startup

Anthropic has become the world's most valuable AI startup, surpassing OpenAI with a valuation approaching $1 trillion following a $65 billion Series H funding round. The company's growth is driven by the popularity of its Claude AI assistant and Claude Code service, with annual revenue reaching $47 billion. Both Anthropic and OpenAI are considering public stock offerings as competition in the AI market intensifies.