When Anthropic confidentially submitted its draft S-1 to the SEC back in June, it was clear there were many shocking numbers in the IPO prospectus which the company did not want made public amid speculation of massive ongoing losses, but few were prepared for what was leaked today to Reuters.
According to a copy of the IPO prospectus leaked by Reuters, Anthropic is making a massive bet that AI will transform the global economy more profoundly than industrialization, electricity and the internet. But, as Reuters correctly puts it, "the cost to get there will be staggering" - the company reported a net loss of $42 billion in 2025. And while revenue grew 12-fold in 2025 to nearly $4.6 billion, the company lost more than $8 billion on an operating basis, with compute spend soaring to $7.33 billion, accounting for 58% of its $12.65 billion in total operating expenses.
In other words, Anthropic lost almost $2 for every dollar it made in sales, and that trend is accelerating.
It gets worse: not only is the company's revenue fleeting, it is controlled by just two customers on the margin. Anthropic said nearly a quarter of its revenue came from just two customers last year, and as part of its risk factors, warned that many of its largest clients were not locked into long-term contracts and could cut or stop spending.
But what is most concerning is the confirmation of what we said back in July: it was back then we laid out the reason behind the forceful pu
