AI startup Anthropic has raised $13 billion in a Series F funding round. The company is now valued at $183 billion — more than double its $61.5 billion post-money valuation from its last funding round in March.
The funding round was co-led by Iconiq, Fidelity Management & Research Company and Lightspeed Venture Partners. Other investors include Altimeter, Baillie Gifford, BlackRock, Blackstone, Coatue, D1 Capital Partners, Insight Partners, Ontario Teachers’ Pension Plan, Qatar Investment Authority, and more.
“We are seeing exponential growth in demand across our entire customer base,” Anthropic CFO Krishna Rao said in a blog post. “This financing demonstrates investors’ extraordinary confidence in our financial performance and the strength of their collaboration with us to continue fueling our unprecedented growth.”
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Meanwhile, Divesh Makan, who’s a partner at Iconiq said, “Anthropic is on an exceptional trajectory, combining research excellence, technological leadership, and relentless focus on customers. We’re honored to partner with Dario and the team, and our lead investment in their Series F reflects our belief in their values and their ability to shape the future of responsible AI. Enterprise leaders tell us what we’re seeing firsthand—Claude is reliable, built on a trustworthy foundation, and guided by leaders truly focused on the long term.”
Anthropic stated the company would use the funding to expand its capacity to meet enterprise demand, and support international expansion.
Anthropic last raised $3.5 billion at a $61.5 billion post-money valuation in March. The latest fundraising round comes soon after reports that Anthropic was nearing a deal to raise between $3 billion and $5 billion in funding at a $170 billion valuation. The company has seen impressive growth lately, with its annual recurring revenue rising from $1 billion to $5 billion in 2025 amid accelerated API usage and enterprise adoption.
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“Anthropic now serves over 300,000 business customers, and our number of large accounts—customers that each represent over $100,000 in run-rate revenue—has grown nearly 7x in the past year,” the company stated.
Claude Code has also become a favorite among developers, and contributed significantly to Anthropic’s growth. The company said its vibe-coding product already generates more than $500 million in run-rate revenue with usage growing more than ten times in the last three months.
Anthropic CEO Dario Amodei previously shared a memo showing hesitation about seeking investment from Qatar and the UAE. “I really wish we weren’t in this position, but we are,” Amodei wrote in a memo he shared via Slack. The memo informed employees about the ethical risks in taking money from the Gulf states but stated the company needed the capital to stay competitive. “This is a real downside and I’m not thrilled about it,” Amodei wrote. “Unfortunately, I think ‘No bad person should ever benefit from our success’ is a pretty difficult principle to run a business on.”