Anthropic has raised $13 billion in a Series F funding round, valuing the company at $183 billion post-money. The investment was led by ICONIQ, Fidelity Management & Research Company, and Lightspeed Venture Partners. Anthropic's revenue has grown rapidly, reaching $1 billion in run-rate revenue at the beginning of 2025 and over $5 billion by August 2025. The company plans to use the funding to expand its capacity, deepen its safety research, and support international expansion.