Anthropic Overtakes OpenAI to Become the World’s Most Valuable Private AI Company
In one of the most consequential private financing events in the history of technology, Anthropic officially closed a $30 billion+ funding round at a pre-money valuation exceeding $900 billion surpassing OpenAI’s $852 billion private market valuation and cementing its position as the world’s most valuable AI startup. The round closed around May 26–27, 2026, and was confirmed by multiple financial sources including Bloomberg.
Who Backed the Round?
The round was co-led by four major investment firms: Sequoia Capital, Dragoneer Investment Group, Altimeter Capital, and Greenoaks Capital Partners, each committing approximately $2 billion. Peter Thiel’s Founders Fund and General Catalyst also participated. Remarkably, the entire round came together in under four weeks from first investor outreach to close an unusually fast timeline for a deal of this magnitude, according to Bloomberg.
The Numbers Behind the Valuation
Anthropic’s explosive valuation is backed by extraordinary revenue growth:
- Q2 2026 projected revenue: $10.9 billion up 130% from Q1’s $4.8 billion
- First-ever quarterly operating profit: approximately $559 million
- Annualized revenue run rate: expected to surpass $50 billion by end of June 2026
- Compute cost efficiency: falling from 71 cents per revenue dollar in Q1 to a projected 56 cents in Q2
Across its lifetime, Anthropic has now raised more than $72 billion total, with the last two rounds alone accounting for $60 billion of that figure.
What’s Driving the Growth?
Key revenue drivers include Claude Code now the dominant enterprise AI coding agent Claude for Small Business (launched May 13, 2026), and major enterprise contracts with PwC, Blackstone, Goldman Sachs, and others. Anthropic is also spending $1.25 billion every month on compute from SpaceX alone, a figure that only became public when SpaceX filed its IPO prospectus.
Strategic Significance
Three of the four co-leading investors in this round are also prior OpenAI backers a visible signal that investor sentiment has shifted. Anthropic is also navigating a high-profile lawsuit against the US Department of Defense, which designated the company a “supply chain risk” after Anthropic refused to allow its technology to be used for autonomous lethal weapons systems. A federal judge has issued a preliminary injunction blocking enforcement while the case is litigated.
With an IPO expected in October 2026, Anthropic’s trajectory from a $380 billion valuation in February to $900 billion in May represents one of the fastest valuation climbs in private market history. The AI arms race has a new leader at least for now.
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