Anthropic has closed a massive Series H round—raising $65 billion and pushing its post-money valuation to $965 billion—bringing the AI startup tantalizingly close to a $1 trillion market worth and narrowly overtaking its chief rival, OpenAI. The financing underscores just how costly it has become to build and operate frontier AI models and how intense institutional appetite is for the technology.
The round was led by Altimeter Capital, Dragoneer, Greenoaks, and Sequoia Capital, with major participation from Blackstone, Fidelity, Lightspeed Venture Partners, and Temasek. Anthropic said the fresh capital will be used to expand the compute infrastructure needed to train and run increasingly powerful models and to fund safety and interpretability research.
Anthropic also announced strong commercial momentum. “Earlier this month, our run-rate revenue crossed $47 billion,” the company wrote on X, attributing growth to organizations integrating Claude into core operations and a growing number of people using it for everyday work. Altimeter founder and CEO Brad Gerstner highlighted that Claude’s recent advances have driven “large-scale adoption among the world’s most demanding organizations,” positioning Anthropic to “lead the next phase of AI innovation.”
The new valuation edges past OpenAI’s last disclosed figure. In March, OpenAI reported an $852 billion valuation after a $122 billion raise, driven by accelerating demand for ChatGPT, enterprise AI tools, and compute. Anthropic’s bump to $965 billion comes amid a string of ecosystem investments and partnerships—Amazon, Google, Broadcom, and SpaceX have all made strategic moves to expand the computing power available to Anthropic’s Claude models.
But the windfall arrives amid controversy and scrutiny. Anthropic has clashed with the U.S. government over military usage restrictions: Pentagon officials wanted AI contractors to permit models to be used for “any lawful use,” including military applications, while Anthropic resisted removing safeguards that block Claude from mass domestic surveillance or fully autonomous lethal weapons. The company already holds a $200 million Department of Defense contract. Cybersecurity experts have also warned that Anthropic’s Claude Mythos model could enable more sophisticated cyberattacks—concerns Anthropic is addressing as it works to expand safeguards.
Product updates accompanied the funding news. Anthropic released Claude Opus 4.8 and said the cybersecurity-focused Claude Mythos could be made publicly available within weeks as additional protections are rolled out. CFO Krishna Rao emphasized the commercial demand and the company’s priorities: “Claude is increasingly indispensable to our growing global community of customers… This funding will help us serve the historic demand we are experiencing, stay at the research frontier, and bring Claude to more of the places where work happens.”
For crypto and infrastructure observers, Anthropic’s raise signals continued concentration of capital behind compute-heavy AI platforms—raising questions about competition for data-center capacity, specialized chips, and the cloud resources that power both AI and blockchain workloads. Whatever the downstream effects, Anthropic’s near–$1 trillion valuation marks another milestone in the rapid commercialization and institutionalization of generative AI.
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