Anthropic Passes OpenAI at $965B Valuation - World's Most Valuable AI Startup 2026
▲ Anthropic passes OpenAI at $965B valuation A valuation is the price investors put on a company's future - and in AI, that number just set a new record. On May 28, 2026, Anthropic, the maker of Claude, raised $65 billion and was valued at $965 billion , passing OpenAI to become the world's most valuable AI startup. For anyone who uses AI every day or invests in it, this is a milestone worth understanding. How Anthropic Passed OpenAI According to Axios, CNBC, and Reuters, Anthropic closed a Series H round worth $65 billion , lifting its post-money valuation to $965 billion - among the largest private tech raises in history. That figure edged past OpenAI, the long-standing leader, marking the first time Anthropic has held the title of most valuable private AI company. The round leaves it just $35 billion short of the $1 trillion mark. ▲ $65B raised, Amazon adds $5B $65 Billion - Inside the Series H Round The round was led by Altimeter, Dragoneer, Greenoaks, and Se...