A $65B Series H led by Sequoia and Altimeter values Anthropic at $965B, making it the world's most valuable AI startup and leaving OpenAI's $730B behind.
Anthropic closed a $65 billion Series H funding round, pushing its valuation to $965 billion and overtaking OpenAI as the most valuable artificial intelligence company in the world. The deal ranks among the largest private fundraises in technology history.
OpenAI, which launched ChatGPT in late 2022 and ignited the current AI wave, sits at a $730 billion valuation following its own recent round, according to Yahoo Finance. Anthropic's trajectory has been steep. In February the company was pegged at $380 billion. Three months and one funding round later, its valuation has nearly tripled.
Altimeter Capital, Dragoneer, Greenoaks and Sequoia Capital led the round, with $15 billion of the total representing previously committed capital from cloud infrastructure partners. Amazon alone contributed $5 billion, according to International Business Times. The cloud giant has become one of Anthropic's most consistent backers as hyperscalers compete to secure preferential access to frontier models.
Revenue momentum
Commercially, the numbers back the valuation. Anthropic disclosed that its annualized revenue run rate crossed $47 billion this month, up from roughly $30 billion earlier in 2026 and approximately $10 billion for all of last year. A four-to-five times jump in annualized revenue within twelve months is unusual even by the AI sector's inflated standards.
Claude Code, the company's coding assistant, has emerged as a central demand driver alongside the broader Claude product lineup. CFO Krishna Rao connected the fundraise to scale: "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," he said in a company statement. Alongside the financing, Anthropic unveiled Claude Opus 4.8 and Claude Mythos Preview, a cybersecurity-focused model offered in limited access to select enterprise clients.
New products, new market
Cybersecurity is a high-margin, compliance-sensitive vertical where the cost of errors is steep and enterprise buyers have the budget to pay for reliability. Mythos Preview follows a familiar playbook: restricted early access to enterprise accounts to build trust before broader deployment. A regulated context also insulates pricing from the race-to-the-bottom dynamics affecting general-purpose model tiers.
The pairing of a flagship general model with a specialized security tool signals that Anthropic is moving beyond a single-product posture. Different buyers have different requirements, and the company appears to be building a portfolio to match.
The competitive picture
At $965 billion, Anthropic is within striking distance of a trillion-dollar valuation, territory that would put a four-year-old startup in the same bracket as Apple and Microsoft. The gap between Anthropic and OpenAI has inverted sharply. Six months ago, OpenAI was the clear leader by every financial measure. Now Anthropic holds a $235 billion advantage.
Rivals are not standing still. Google has been accelerating Gemini deployments globally, with Android Authority reporting expanded collaboration features for Workspace users and The Financial Express covering the India rollout of Gemini Omni, a multimodal video creation tool introduced at Google I/O 2026. The three-way contest between Anthropic, OpenAI and Google is shaping up as the defining commercial race in artificial intelligence.
The broader investment surge is partly geopolitical. Global competition over advanced chips, semiconductor supply chains and national AI strategies is pushing institutional and sovereign capital toward the handful of labs with a credible shot at the frontier. That dynamic is unlikely to slow regardless of which company holds the valuation crown at any given moment.
The path forward
Anthropic's new capital is earmarked for compute expansion, Claude product scaling and safety and interpretability research, the latter a discipline central to the company's identity since its founding by former OpenAI researchers in 2021. Interpretability (understanding how large language models actually reason, not just what they output) remains an area where Anthropic invests more visibly than its competitors.
Whether the company will pursue a public listing at or above $965 billion depends on whether current revenue growth holds. Four-fold annual expansion is extraordinary. Sustaining it while absorbing the operational weight of a near-trillion-dollar enterprise will test whether Anthropic's momentum is structural or a product of an unusually favorable market cycle.
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FAQ
Q: What is Anthropic's valuation after the $65B funding round?
A: The Series H pushed Anthropic's valuation to $965 billion, surpassing OpenAI's most recent valuation of $730 billion to make it the world's most valuable AI startup.
Q: Who led Anthropic's Series H and where did the money come from?
A: Altimeter Capital, Dragoneer, Greenoaks and Sequoia Capital led the round. Amazon contributed $5 billion as part of $15 billion in previously committed capital from hyperscale infrastructure partners.
Q: How fast is Anthropic's revenue growing?
A: The company reported an annualized revenue run rate above $47 billion, up from roughly $10 billion for all of 2025 and $30 billion earlier this year, with Claude Code cited as a primary driver.
Q: What is Claude Mythos Preview?
A: A cybersecurity-focused AI model from Anthropic currently in limited early access for select enterprise clients, announced alongside the new Claude Opus 4.8 flagship model.