Anthropic has closed a roughly $30 billion funding round that values the AI startup at about $380 billion, a deal that ranks among the largest private tech financings on record.
The company behind the Claude assistant said the round reflects surging demand from enterprises, even as public markets have grown more selective about which AI bets deserve premium valuations.
What this round says about AI capital flows
Anthropic said Thursday it raised $30 billion in a Series G round led by Coatue and Singapore sovereign wealth fund GIC, at a $380 billion post-money valuation.
CNBC reported the round included participation from D.E. Shaw Ventures, Dragoneer, Founders Fund, ICONIQ, and MGX, among others.
Anthropic also said the financing includes “a portion” of previously disclosed commitments from Microsoft and Nvidia, which had announced plans in November to invest up to $5 billion and $10 billion.
The scale is notable because mega-rounds of this size are exceptionally rare in venture funding.
CNBC called Anthropic’s financing the second-biggest private technology fundraising round ever recorded, behind OpenAI’s more than $40 billion round last year.
Anthropic is also leaning hard into a “growth with credibility” narrative.
The company said its annualized revenue has reached about $14 billion, up from roughly $10 billion in the prior year, and it highlighted a customer base skewed toward businesses rather than consumers.
“Claude is becoming increasingly essential to business operations,” CFO Krishna Rao told CNBC, adding that the fundraising reflects “overwhelming demand” from clients.
Read More: Goldman Sachs builds AI agents with Anthropic to automate core banking work
AI’s balance-sheet battle
The immediate competitive takeaway is optionality.
Anthropic said it plans to use the new capital to expand infrastructure, push research forward, and continue investing in enterprise products.
In practice, that kind of war chest can fund more compute, more model training runs, and more go-to-market muscle in a market where talent and infrastructure remain expensive.
Anthropic’s leadership has been positioning the company as enterprise-first.
The round also raises the pressure on competitors to keep pace.
OpenAI is reportedly in talks with investors on a fundraising round that could reach around $100 billion, after it signed infrastructure deals worth $1.4 trillion last year.
Whether or not those numbers land exactly as floated, the direction is clear: the AI “arms race” is increasingly a balance-sheet contest as much as a product contest.
For investors, the more interesting question is what this does to the broader startup ecosystem.
A $380 billion private valuation for Anthropic signals that late-stage capital is still available in massive size, just not evenly distributed, and not necessarily to the typical SaaS or consumer-app playbook.
The next catalysts to watch are less about hype and more about execution: enterprise adoption, partnerships, and how quickly these labs can translate enormous spending into durable cash flows.
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