
The Anthropic logo displayed in a modern office setting, reflecting the company’s $13B Series F funding round at a $183B valuation. Image Source: ChatGPT-5
Anthropic Raises $13B Series F, Valued at $183B Post-Money
Key Takeaways: Anthropic’s Record $13B Series F Funding
Anthropic closed a $13 billion Series F round led by ICONIQ, with co-leads Fidelity and Lightspeed.
The financing values the company at $183 billion post-money.
Anthropic’s run-rate revenue grew from $1 billion in early 2025 to $5 billion by August 2025.
The company now serves over 300,000 business customers, with large accounts increasing nearly 7x in the past year.
Claude Code, launched in May 2025, already generates $500 million run-rate revenue, growing usage more than 10x in three months.
Anthropic’s $13B Series F Led by ICONIQ
Anthropic announced the completion of a $13 billion Series F fundraising round, valuing the company at $183 billion post-money. The round was led by ICONIQ, with co-lead investors Fidelity Management & Research Company and Lightspeed Venture Partners.
Other participants included major institutional investors such as BlackRock, Blackstone, General Atlantic, GIC, Goldman Sachs, Qatar Investment Authority, TPG, and T. Rowe Price, among many others.
“From Fortune 500 companies to AI-native startups, our customers rely on Anthropic’s frontier models and platform products for their most important, mission-critical work,” said Krishna Rao, Chief Financial Officer of Anthropic. “We are seeing exponential growth in demand across our entire customer base. This financing demonstrates investors’ extraordinary confidence in our financial performance and the strength of their collaboration with us to continue fueling our unprecedented growth.”
Unprecedented Revenue Growth for Claude
Since the launch of Claude in March 2023, Anthropic has seen rapid adoption across enterprises, developers, and individual users. In early 2025, less than two years after launch, the company reached $1 billion in run-rate revenue. By August 2025, run-rate revenue exceeded $5 billion, making Anthropic one of the fastest-growing technology companies in history.
The customer base has expanded to over 300,000 businesses, with the number of large accounts—those generating more than $100,000 in run-rate revenue each—growing nearly sevenfold in the past year.
Claude Code and Consumer Plans Drive Expansion
Anthropic’s growth spans its entire platform. For businesses, its API and industry-specific products enable seamless integration of AI into critical applications. For developers, Claude Code, fully launched in May 2025, has become a key tool, generating $500 million run-rate revenue and achieving more than 10x usage growth in three months.
For individual users, the Claude Pro and Max plans provide enhanced AI capabilities for daily tasks and specialized projects, expanding the platform’s reach to consumer power users.
“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,” said Divesh Makan, Partner at ICONIQ.
Future Investment Priorities
Proceeds from the Series F will be used to scale enterprise capacity, expand safety research, and support international growth. The company emphasized its focus on building reliable, interpretable, and steerable AI systems that balance performance with long-term trust.
Q&A: Anthropic’s $13B Series F
Q: How much did Anthropic raise in Series F?
A: Anthropic raised $13 billion in its Series F round, valuing the company at $183 billion post-money.
Q: Who led Anthropic’s Series F funding round?
A: The round was led by ICONIQ, with co-leads Fidelity and Lightspeed Venture Partners.
Q: How fast is Anthropic’s revenue growing?
A: Revenue rose from $1 billion in early 2025 to over $5 billion by August 2025, making Anthropic one of the fastest-growing tech companies ever.
Q: What is Claude Code?
A: Claude Code is Anthropic’s developer tool launched in May 2025. It already generates $500 million run-rate revenue and grew usage more than 10x in three months.
Q: How many business customers does Anthropic serve?
A: Anthropic now serves over 300,000 business customers, with large accounts growing 7x in the past year.
What This Means: Responsible AI Amid Questions of an Investment Bubble
Anthropic’s $13 billion raise reinforces investor confidence in the company’s ability to pair frontier research with rapid commercial adoption. With revenue surging from $1 billion to $5 billion in just eight months, demand for Claude is clear, and the new capital positions Anthropic to scale further while deepening its focus on safety and interpretability.
At the same time, the deal highlights the ongoing debate around a possible AI investment bubble. While some industry observers question whether such valuations are sustainable, capital flows show little sign of slowing—especially for leaders at the frontier of the industry. Anthropic’s fundraising also reflects the costly race for global compute resources, where strategic choices, including prior hesitation around Gulf-based investment, may be shifting in light of competitive pressure.
Taken together, the Series F underscores that responsible AI is both a research imperative and a competitive advantage. Anthropic’s trajectory suggests it will remain a central player as the AI sector continues to test the limits of growth, capital, and long-term responsibility.
Editor’s Note: This article was created by Alicia Shapiro, CMO of AiNews.com, with writing, image, and idea-generation support from ChatGPT, an AI assistant. However, the final perspective and editorial choices are solely Alicia Shapiroo’s. Special thanks to ChatGPT for assistance with research and editorial support in crafting this article.