Anthropic closed a $65 billion funding round that pushed its valuation to $965 billion, making it the most valuable artificial intelligence company in the world and overtaking OpenAI for the first time. The shift happened in late May 2026, just days before OpenAI disclosed its own confidential IPO paperwork with the SEC. For investors, researchers, and anyone building on top of AI tools, the reversal in ranking signals a new phase of competition where private capital, not public markets, is setting the terms.
Why Anthropic’s $965 billion valuation reshapes the AI race
The immediate consequence is financial, but the ripple effects are strategic. Anthropic’s new valuation did not arrive through a public offering or audited quarterly earnings. It came through a private funding round, where a small group of investors agreed that the company behind Claude was worth nearly a trillion dollars. That figure now exceeds OpenAI’s last known private valuation, a reversal that would have seemed unlikely even a year ago when OpenAI dominated headlines with ChatGPT’s commercial expansion.
The timing makes this more than a valuation milestone. OpenAI submitted confidential paperwork for an initial public offering around the same period, and Anthropic made its own IPO-process disclosure on June 1. Both companies are now moving toward public markets, but they arrive from very different positions. OpenAI will eventually need to open its books to regulators and retail investors, revealing revenue, margins, and customer concentration in granular detail. Anthropic, for now, holds the advantage of opacity: its $965 billion price tag reflects what a handful of sophisticated backers are willing to pay, not what the broader market would assign after reviewing audited financials.
This sets up a direct test. If OpenAI’s IPO filings show revenue multiples that exceed what Anthropic’s private valuation implies, the gap between the two companies could narrow or reverse quickly. Private-market valuations often compress once comparable public data becomes available, because investors can benchmark one company’s price against another’s disclosed performance. Anthropic’s safety-first brand has clearly attracted capital at a premium, but that premium faces pressure the moment OpenAI’s actual numbers become public record.
How a $65 billion raise vaulted Anthropic past OpenAI
The core evidence is straightforward and consistent across independent reporting. Anthropic raised $65 billion in fresh capital that brought its post-money valuation to $965 billion. That figure was separately confirmed by The Guardian, which reported that the round made Anthropic the world’s most valuable AI firm, surpassing OpenAI, and emphasized how investors were pricing in aggressive growth for its Claude product line. Together, these reports establish a clear consensus about the size of the round and the resulting valuation.
No public discrepancy exists between the outlets on the headline number. Both cite $965 billion as the post-round valuation, and both frame the raise as driven by surging demand for Anthropic’s Claude models. The $65 billion figure represents the capital injected in the round itself, not the total valuation, a distinction that matters because it implies existing investors and new backers collectively agreed on a price that values Anthropic just below the trillion-dollar threshold.
What makes the figure striking is its scale relative to Anthropic’s age and revenue history. The company was founded in 2021 by former OpenAI researchers, and its primary commercial product is Claude, a family of large language models sold through API access and direct subscriptions. Reaching a valuation near $1 trillion in roughly five years, without a public offering, places Anthropic in rare company among privately held technology firms that have commanded prices traditionally associated with mature public giants.
OpenAI’s confidential SEC filing, disclosed around June 1, confirms that it too is preparing for public scrutiny. But the sequence matters: Anthropic’s valuation was established first, in a private round, before OpenAI’s IPO process could produce a competing public-market price. That ordering gives Anthropic a temporary narrative advantage, because the $965 billion figure now serves as the benchmark against which OpenAI’s eventual IPO pricing will be measured.
Gaps in the record that could change the story
Several questions remain open, and the answers could shift how this valuation milestone is interpreted. No primary SEC or company filings with exact share counts, investor names, or a breakdown of pre-money versus post-money mechanics have surfaced beyond the headline $965 billion figure. The distinction matters: if a large portion of the $65 billion came with structured terms, such as liquidation preferences or ratchet clauses, the headline valuation may overstate what common shareholders would actually receive in a sale or IPO.
Audited revenue data for Anthropic has not been publicly released. Both AP and The Guardian reference surging demand for Claude as a driver of the round, but neither cites specific revenue figures, customer counts, or growth rates from Anthropic’s own disclosures. Without those numbers, outside observers cannot independently assess whether $965 billion reflects a reasonable multiple of actual business performance or a speculative bet on future dominance.
No direct statements from Anthropic or its largest investors have detailed how much of the round was primary capital going onto the balance sheet versus secondary sales by early shareholders. That split would influence how much new funding Anthropic can deploy into infrastructure, research, and go-to-market expansion, as opposed to simply providing liquidity to insiders. It would also shape how much dilution founders and employees absorbed to reach the new valuation.
Another missing piece is how Anthropic’s valuation compares to its nearest peers on a revenue or usage basis. OpenAI’s confidential filing means its precise financials are not yet public, and other large AI developers remain private or embedded within diversified tech conglomerates. Until comparable numbers are available, investors are effectively pricing Anthropic in a vacuum, guided more by expectations about AI’s long-term impact than by current cash flows.
Private capital versus public markets
The Anthropic–OpenAI reshuffle highlights a broader tension in technology finance: the growing power of late-stage private capital to set valuations that rival, or even exceed, what public markets might support. In theory, public listings impose discipline through disclosure and daily price discovery. In practice, private mega-rounds now allow companies to raise tens of billions of dollars while revealing far less about their operations.
For Anthropic, that opacity is a strategic asset. The company can market itself as the most valuable pure-play AI firm without immediately answering questions about profitability, concentration of revenue among a few large customers, or the sustainability of its infrastructure costs. OpenAI, by contrast, has chosen a path that will eventually expose its economics to far more scrutiny, even if the initial SEC filing remains confidential until closer to an offering.
The divergence could influence how future AI leaders choose to finance themselves. If Anthropic’s private valuation holds and OpenAI prices its IPO at a substantially lower multiple, founders may see a stronger case for remaining private as long as deep-pocketed investors are willing to write large checks. If the opposite happens-if public investors reward OpenAI with a premium-then Anthropic’s near-trillion-dollar price tag may come to look like an outlier from a period of exuberance.
What to watch next
Several milestones will determine whether Anthropic’s new status as the world’s most valuable AI company endures. The first is the eventual publication of OpenAI’s IPO prospectus, which will put hard numbers around one of Anthropic’s closest competitors and offer a reference point for revenue growth, margins, and capital intensity in large-scale AI. The second is any future disclosure from Anthropic itself, whether through an eventual listing, bond issuance, or voluntary transparency about its financial performance.
In the meantime, developers and enterprise buyers will continue to make choices based on product capabilities, pricing, and trust rather than headline valuations. Claude’s traction with businesses and governments, and its ability to win workloads from OpenAI and other rivals, will ultimately determine whether the $965 billion figure proves prescient or premature.
For now, the numbers are clear even if many underlying details are not. Anthropic has raised $65 billion at a valuation of $965 billion, according to major press coverage and corroborating reports. OpenAI is moving toward an IPO that will finally reveal its financials. Between those two facts lies a contested future in which the balance of power in AI could shift quickly, depending on how well each company converts massive private capital and public attention into durable, profitable businesses.
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*This article was researched with the help of AI, with human editors creating the final content.
