VCs are offering Anthropic up to an $800 billion valuation. That's more than double its last private price. The rush comes as the AI startup prepares for a possible IPO later this year.

Offers far above last funding round

Investors have been circling Anthropic with proposals that value the company as high as $800 billion, according to people briefed on the matter. Those bids would leapfrog the $380 billion price tag set in February when GIC and Coatue led a funding round, and place Anthropic in the same orbit as the largest private AI players.

Look, preemptive pitches aren't unusual in Silicon Valley—buzzy startups often get such calls. But the scale here is striking: a secondary market listing shows Anthropic at about $688 billion, up roughly 75% in three months on Caplight, the platform where private-company shares trade.

That jump puts Anthropic much closer to the private valuation recently achieved by OpenAI, which topped the $800 billion mark in its latest round. Investors tell staff that the offers they're floating reflect intense demand for ownership in companies building today's most advanced models.

Still, not every offer turns into a deal. Companies routinely rebuff early suitors, and Anthropic hasn't publicly taken any of the $800 billion pitches.

Revenue and customers drive interest

Anthropic itself reported a dramatic revenue run-rate, saying it's now collecting at an annualized pace of $30 billion. That's the figure management used to describe how much revenue the company expects to pull in over a year, up from $9 billion at the end of last year.

Thing is, the composition of that revenue matters as much as the headline number. Anthropic told investors that more than 1,000 corporate customers are now spending over $1 million a year— a total that doubled in under two months, the company said. Venture firms are raising their bids mainly because so many enterprises are adopting Anthropic's services.

Investors and founders at an industry conference noted the growth. Jared Quincy Davis, founder and CEO of Mithril, called Anthropic's recent momentum "crushing it" during remarks at HumanX, signaling strong founder-level enthusiasm for the startup's commercial traction.

Mythos: a new model that investors prize

Anthropic last week unveiled a new model called Mythos. The company said Mythos is powerful enough that it can't yet be released to the general public because of potential cyber risks. That warning has only heightened investor curiosity: a model that firms believe could reshape product road maps tends to translate quickly into higher valuations.

Lots of venture firms want shares in companies that seem set to control future AI infrastructure. Tomasz Tunguz, founder and general partner at Theory Ventures, told attendees at HumanX that Mythos "is a huge deal," reflecting the excitement industry leaders have for the new system.

Anthropic declined to provide an on-the-record comment for this story. A company spokesperson told other outlets it wouldn't comment, and the firm hasn't confirmed any of the valuation offers publicly.

Why VCs are willing to go big

Timing plays a big role here. Anthropic is widely seen as gearing up for a public offering this year, and some investors want a position before any IPO pricing. Pre-IPO stakes can be lucrative if a public debut re-rates private valuations, and that potential upside is driving competitive behavior among venture funds.

Another factor is product momentum. Claude, Anthropic's assistant line, and a version focused on coding called Claude Code, have both shown strong enterprise interest. The company argues its latest tech gives it a commercial edge, and investors are pricing that expected advantage into their bids.

The market benchmark matters too. OpenAI's recent private valuation above $800 billion reset expectations for what elite AI startups can command. VCs look at comparables; when one company in the sector fetches a jumbo price, others see room for re-rating.

Secondary market signals and private valuations

Caplight's listing at roughly $688 billion is one visible signal of rising private prices. Early investors and employees can trade shares on secondary markets before an IPO, and buyers often use those prices as a rough guide.

Still, secondary prices don't equal confirmed primary funding rounds. They can reflect optimism and limited supply just as much as concrete investor commitments. Bidders in the private market tend to treat those numbers as reference points, not as final offers.

As one venture partner put it at a conference, the combination of rapid revenue growth, enterprise deals, and a new flagship model is enough to spur aggressive bids. That person didn't want to be named for attribution in public reporting, so the sentiment is reflected through public comments from named attendees instead.

IPO runway and what a deal could mean

Anthropic has signaled it's on an IPO path this year, and that calendar is shaping investor behavior. If the company files and markets are receptive, a public valuation could validate the high private offers. If markets are less friendly, the bids may fade.

Investors are also looking at customer durability. The jump from $9 billion to $30 billion in annualized revenue is eye-popping. If companies keep spending at those levels—and if those contracts stick—that's clear evidence of a business that can justify massive valuations.

But companies often pace growth differently once scaled. The proof will be in whether Anthropic sustains both its revenue pace and the enterprise accounts that are paying seven figures. Executives and investors will be watching those metrics closely as part of any pricing discussion ahead of an IPO.

Right now, market appetite is unusually strong.

What VCs risk and what they hope to gain

VCs writing big checks take on the risk that a private-market price won't hold once the company is public. But the reward, if Anthropic hits public markets at a lofty multiple, could be oversized, particularly for firms that secure preferred placements ahead of a float.

Those dynamics explain why firms that typically pick their spots carefully are stepping forward with aggressive numbers. They want exposure to models and product lines investors believe could dominate cloud AI tooling and enterprise workflows.

Fair enough, but the market isn't linear. High private bids can speed up a company's timetable to go public, or they can create pressure if expectations grow faster than the business can deliver. Anthropic's management now has to weigh those realities as they talk with investors.

One more quick point: outside investors often look for governance protections when valuations surge. If a fresh round did occur at a much higher price, both new money and existing holders would likely negotiate terms that reflect the new risk-return calculus.

There are still unanswered pieces—how many firms actually put ink on a term sheet at $800 billion, and how Anthropic will balance private interest with public-market readiness—but the available figures already tell a story of rapid re-pricing in the top tier of AI startups.

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"The Mythos model is a huge deal," Tomasz Tunguz, founder and general partner of Theory Ventures, said.