Artificial Intelligence1 min read

The big questions remaining after Anthropic’s blockbuster IPO prospectus

By · Published by Everything Blog

In short

The company's new filing reveals rapid financial acceleration, with first-half 2026 revenue jumping to $16.29 billion against $2.38 billion in cost of revenue. However, quarterly revenue growth contracted sequentially from roughly 144% in the second quarter to about 47% in the third quarter. While compute expenses currently represent nearly all cost of revenue, the documents omit key details on future compute allocations for model training versus customer inference. Analysts estimate the debut could value the public benefit corporation at between $1 trillion and $2 trillion.

Key points

  • Infrastructure and compute expenses account for substantially all of the company's curren…: Infrastructure and compute expenses account for substantially all of the company's current cost of revenue.
  • The company has faced capacity bottlenecks after seeking computing resources beyond what…: The company has faced capacity bottlenecks after seeking computing resources beyond what cloud partners were willing to deliver.
  • Market analysts project the upcoming initial public offering could secure a valuation bet…: Market analysts project the upcoming initial public offering could secure a valuation between $1 trillion and $2 trillion.

Sources checked by our analysis pipeline: 1

This report is from this week's The Tech Download newsletter. Like what you see? You can subscribe here.

Anthropic's over 300 page S-1 filing earlier this week contained a lot of information. It was the most comprehensive public statement to date about how a pure-play AI lab makes its money.

After the prospectus went live on Monday, my U.S.-based colleagues and I went through it with a fine-tooth comb, detailing everything from revenue and risks to competitors and computing costs.

The filing also revealed that CEO Dario Amodei and his six co-founders each own over 200 million shares, which could be worth billions if Anthropic hits the over $1 trillion valuation it's expected to.

But despite all the nuggets, a few big questions remain.

Revenue

Anthropic reported its cost of revenue as $2.38 billion in the first half of 2026, booking $16.29 billion in revenue during the same period and implying a gross margin of 85%.

Violeta Todorova, senior research analyst at Leverage Shares, told CNBC that the first-half revenue compared with just $1.16 billion in the first half of…

Artificial Intelligence