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Anthropic closed a $65B Series H at a $965B post-money valuation — after crossing $47B in annualized revenue this month — making it the largest private AI funding round on record, backed by Altimeter, Sequoia, Dragoneer, Greenoaks, plus $15B from hyperscalers including Amazon.
Anthropic closed a $65 billion Series H at a $965 billion post-money valuation — its likely final private fundraise before an IPO — co-led by Altimeter Capital, Sequoia, Dragoneer, and others, with Samsung, SK Hynix, and Micron as infrastructure partners. The company's revenue run rate crossed $47 billion this month, and Claude Opus 4.8 launched the same day.
Anthropic closed a $65 billion Series H at a $965 billion valuation — with $47B in annualized revenue as of May 2026 — making it the most valued AI lab in the West, backed by Sequoia, Altimeter, and cloud compute deals with Google, Broadcom, and SpaceX totaling over 10 gigawatts.
SpaceX's SEC filing reveals xAI burned $6.36 billion in 2025, Anthropic pays $1.25 billion per month for SpaceX compute ($15B/year), and a planned $60 billion acquisition of coding tool Cursor — making this the most detailed AI infrastructure financial disclosure ever made public.
