Anthropic has confidentially filed a draft initial public offering prospectus with the Securities and Exchange Commission, disclosing a net loss of nearly $42 billion for 2025 against revenue of $4.6 billion. The majority of this loss, approximately $34 billion, stems from non-cash accounting charges related to convertible financing whose value increased alongside the company's rising worth. Excluding these charges, the operating loss exceeded $8 billion, driven largely by compute and infrastructure spending that tripled to $7.33 billion. The filing reveals ambitious future commitments, including plans to spend about $518 billion on cloud computing and infrastructure in coming years, with roughly 80% of these contracts being non-cancelable. Major suppliers include Google, accounting for at least $111 billion, and Amazon for $110 billion, while SpaceX is contracted for $1.25 billion monthly through May 2029.

Despite holding $20.28 billion in cash at the end of 2025, Anthropic faces significant concentration risks, with nearly a quarter of its 2025 revenue derived from just two customers who lack long-term contracts. Revenue growth remains rapid, with second-quarter 2026 figures topping $11.5 billion, more than double the entire 2025 total. This follows a May fundraising round that valued the company at $965 billion, surpassing OpenAI’s last disclosed valuation. Backers now anticipate a public market debut after November’s U.S. midterm elections with a target valuation exceeding $2 trillion. The prospectus also includes extensive risk disclosures, warning that increasingly autonomous AI models could exhibit self-preserving behaviors, resist shutdowns, or assist in fraud, prompting CEO Dario Amodei to advocate for mandatory safety rules modeled on aviation oversight.