Anthropic Is Now Worth Almost $1 Trillion—More Than OpenAI

BreakingBusinessAnthropic Is Now Worth Almost $1 Trillion—More Than OpenAIByAntonio Pequeño IV,Forbes Staff. Pequeño is a breaking news reporter who covers tech and more.Follow AuthorMay 28, 2026, 02:36pm EDTToplineAnthropic secured a $900 billion valuation Thursday following a Series H fundraise of $65 billion, overtaking OpenAI as the world’s most valuable artificial intelligence startup.Anthrpic announced the fundraised Thursday afternoon.Photo by Joel Saget / AFP via Getty ImagesKey FactsAnthropic announced the funding round Thursday, revealing a $965 billion post-money valuation involving investments from Altimeter Capital, Dragoneer, Greenoaks, and Sequoia Capital.This is a developing story. Check back for updates.Got a tip? Share confidential information with Forbes.Editorial StandardsReprints & PermissionsLOADING VIDEO PLAYER...FORBES’ FEATURED Video