Sequoia Capital is set to participate in a significant funding round for AI startup Anthropic, led by Singapore's sovereign wealth fund GIC and U.S. investment firm Coatue. The funding round aims to raise approximately $25 billion, valuing Anthropic at around $350 billion. GIC and Coatue are each contributing $1.5 billion to the round. Previously, Anthropic secured investment commitments totaling up to $15 billion from Microsoft and Nvidia.