Anthropic's amended IPO paperwork reveals soaring Q3 revenue and a stunning compute bill

Anthropic's fresh S-1 updates complicate its profitability narrative. Oliver Contreras / AFP via Getty Images Anthropic's revenue is soaring. So is the cost to keep Claude running.On Monday, the AI company filed an amended version of its S-1, the public filing that discloses its financials ahead of its much-anticipated initial public offering. The company filed the original paperwork last week.Monday's amendments include the third-quarter numbers that didn't make it into the initial filing: Anthropic generated nearly $17 billion in revenue in the third quarter, a more than $5 billion increase from the prior quarter.But the compute costs required to power that revenue growth weighed on the business. The third quarter swung to a loss, with Anthropic reporting a $567 million operating loss compared to $974 million in operating profit in the second quarter.The company also disclosed about $895 billion in committed spending on compute and infrastructure — nearly half of it expected by the end of 2030.Developing… Read next Business Insider tells the innovative stories you want to know Business Insider tells the innovative stories you want to know Business Insider tells the innovative stories you want to know Business Insider tells the innovative stories you want to know Ben Shimkus is a reporter for the Business News desk. He writes about cars, transportation, retail, and jobs. Ben's reporting has appeared in Rolling Stone, The Verge, Automotive News, USA Today, AutoBody News, LGBTQ Nation, TopSpeed, and Out Magazine. He's also held staff writing positions at The U.S. Sun and the Daily Mail. He graduated from NYU with a Master's in journalism in 2024. Email Ben at bshimkus@insider.com or message him privately on Signal at bshimkus.41. Anthropic