Anthropic’s $900B+ round is moving fast — and they want your answer in 48 hours

Anthropic is moving fast on its next fundraise, and they’re not waiting around for investors to make up their minds.

According to sources familiar with the matter, the company has asked investors to submit allocation requests within the next 48 hours. That’s a tight window for a round that could reportedly value Anthropic at $900 billion or more.

$900B+. Let that sink in for a second. That’s not a typo, and it’s not a round number pulled from thin air. If this goes through, it would put Anthropic in a league with the biggest names in tech — and well ahead of most of its AI competitors.

For context, OpenAI’s last reported valuation was around $300 billion. Anthropic is asking for triple that. That tells you two things: first, the market still has an insatiable appetite for frontier AI companies, and second, Anthropic’s leadership believes they have something that justifies that premium.

What’s interesting here is the speed. A 48-hour deadline for allocation submissions is aggressive, even by venture capital standards. It suggests strong demand — or at least, strong enough demand that Anthropic feels comfortable putting pressure on investors. It also hints that the company wants to close this round quickly, possibly to lock in terms before market conditions shift.

We don’t have details yet on which investors are involved, but given the size, you’re looking at sovereign wealth funds, large institutional players, and maybe some strategic partners. This isn’t the kind of round where individual angels write $10 million checks.

Now, is $900 billion justified? That depends on how you model AI’s trajectory. If you believe Anthropic’s models will capture a significant share of enterprise AI spending and that the market itself grows exponentially, then maybe. If you think we’re in a hype cycle that’s due for a correction, then this looks frothy.

I lean toward the middle. Anthropic has real technology, a strong team, and a safety-first positioning that resonates with enterprise buyers. But a $900B valuation implies revenue multiples that would make even the most optimistic SaaS analyst blush. This is a bet on future dominance, not current fundamentals.

Either way, the next 48 hours will tell us a lot about who’s willing to put money behind that vision — and how fast this round comes together.