- Anthropic has raised $65 billion in a Series H round led by Altimeter, Dragoneer, Greenoaks, and Sequoia, valuing it at $965 billion, making it the most valuable private AI company in the world.
- The deal eclipses rival OpenAI’s $852 billion valuation and arrives just three months after Anthropic’s own $380 billion Series G, underscoring the breakneck pace of capital accumulation at the top of the AI stack.
- Anthropic’s annualised revenue has crossed $47 billion, up from $14 billion in February, a more than threefold jump in under four months.
Three months after taking in $30 billion at a $380 billion valuation, Anthropic has already made that number look quaint. TFN first reported in May that the company was in talks to raise at a valuation above $900 billion and the confirmed deal has surpassed even that figure. The San Francisco-based AI lab founded in 2021 by Dario Amodei and Daniela Amodei alongside several former OpenAI colleagues has now raised $65 billion in a Series H round, pushing its post-money valuation to $965 billion. For the first time, it is worth more than OpenAI.
What Anthropic does
Anthropic was incorporated in 2021 and is headquartered in San Francisco, California, with additional offices in New York, London, and Dublin. The company employs approximately 5,000 people, according to Tracxn and PitchBook estimates as of April 2026. Its aggressive hiring push pulling talent from OpenAI, Google, xAI, and Microsoft has been one of the defining stories of the AI talent war in 2026.
Anthropic builds large language models: AI systems trained on vast datasets to understand and generate text and sells access to them primarily to businesses. Its flagship product, Claude, competes directly with OpenAI’s GPT-4o and Google’s Gemini. The company differentiates itself from rivals on two grounds: a constitutional AI safety framework designed to make models more predictable and less harmful, and a sharp focus on enterprise and developer use cases rather than consumer applications. Claude Code, its AI coding agent, has become a standout product, with run-rate revenue more than doubling between the start of 2026 and February’s Series G close. Timed alongside the fundraise, Anthropic also released Claude Opus 4.8, its latest flagship model, which ships with a new Dynamic Workflows tool designed to coordinate swarms of AI subagents, aimed squarely at the complex, multi-step enterprise workflows that now drive the bulk of its revenue.
The round and who’s in it
The Series H was led by Brad Gerstner of Altimeter Capital alongside Dragoneer, Greenoaks, and Sequoia Capital. It was co-led by Capital Group, Coatue, D1 Capital Partners, GIC, ICONIQ, and XN. Significant investors include AMP PBC, Baillie Gifford, Blackstone, Brookfield, D.E. Shaw Ventures, DST Global, Fidelity Management & Research, General Catalyst, Insight Partners, Jane Street, Lightspeed Venture Partners, MGX, NTTVC, NX1 Capital, Situational Awareness LP, T. Rowe Price, and Temasek. The round also incorporates $15 billion of previously committed investment from hyperscalers, including $5 billion from Amazon.
Altimeter, the Boston- and Menlo Park-based crossover fund founded by Gerstner in 2008, has previously backed Snowflake, Uber, Airbnb, ByteDance, and – notably – OpenAI itself, where it was an earlier investor. Its move to lead an Anthropic round while holding OpenAI exposure signals conviction that the frontier model race has room for more than one winner at near-trillion-dollar scale.
“Claude is increasingly indispensable to our growing global community of customers, and we work tirelessly to make tools like Claude Code and Cowork more helpful, more powerful, and more adaptable to their needs,” said Krishna Rao, Anthropic’s CFO. “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.”
“Claude’s latest advancements have driven large-scale adoption among the world’s most demanding organizations,” Gerstner added. “This momentum positions Anthropic to lead the next phase of AI innovation and capture the enormous opportunity ahead.”
The competitive landscape
Anthropic’s primary competitor remains OpenAI, which closed a $122 billion Series G in March 2026 at an $852 billion valuation with backing from SoftBank, Andreessen Horowitz, Amazon, and Nvidia. A second tier of challengers: Cohere, which laid off roughly 15% of staff in 2025, and Paris-based Mistral, which remains comparatively lean, operate at materially lower scales of both revenue and funding. The gap between the two frontier leaders and the rest of the field is widening, not narrowing. Newer entrants such as UK-based Recursive AI, which recently hit a $4.65 billion valuation, illustrate that competition is also building outside the US, though at a fraction of the scale.
Infrastructure at scale
The round includes strategic infrastructure partners Micron, Samsung, and SK hynix, whose memory and logic chips underpin AI compute at scale. Anthropic also disclosed agreements with Amazon for up to five gigawatts of new capacity, with Google and Broadcom for five gigawatts of next-generation TPU capacity, and with SpaceX for GPU access across Colossus 1 and Colossus 2. Internationally, Anthropic has been expanding its footprint beyond the US – its London Knowledge Quarter office is now described as its most important hub outside of America.
The enterprise AI market that Anthropic is targeting stood at approximately $115 billion in 2026 and is projected to reach $273 billion by 2031, registering a CAGR of roughly 19%, according to Mordor Intelligence. Anthropic’s $47 billion run-rate alone already represents more than 40% of the entire market – an extraordinary concentration that reflects both the speed of its growth and the degree to which AI spending is converging on a small number of providers.
Total funding raised by Anthropic across all rounds now stands at approximately $137 billion, based on the $65 billion Series H added to the roughly $72 billion raised through its Series G, per Tracxn data.
Whether Anthropic sustains this trajectory heading into a potential IPO or whether the capital intensity required to stay at the compute frontier eventually compresses those margins, is the question that will define the next chapter of the AI industry.
