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Business & Finance · November 2, 2026

Anthropic’s growth slowed and costs jumped in the third quarter, updated IPO filing shows

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Anthropic has filed an amended Form S-1 with the Securities and Exchange Commission, providing updated financial data for the third quarter of 2026. The filing reveals that quarterly revenue reached $17 billion, contributing to a nine-month total of $33.24 billion—a roughly 1,200% increase over the same period in 2025. While revenue grew 47% from the second quarter, this represents a deceleration from the 144% growth seen in the previous period. The company reported a net loss of $23.3 billion for the quarter and $104 billion for the nine-month period, largely attributed to the change in fair value of convertible notes. Additionally, Anthropic disclosed purchase commitments for computing and infrastructure totaling approximately $895.4 billion, with roughly $70 billion due by September 2027.

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Reported by multiple outlets

  • Anthropic filed an amended Form S-1 prospectus with the SEC on Monday
  • Third-quarter revenue reached $17 billion
  • Nine-month revenue for the period ending September 30 was $33.24 billion
  • Nine-month net loss totaled $104 billion
  • Total purchase commitments for computing and infrastructure are approximately $895.4 billion

Reported by only some outlets

  • Second-quarter revenue was $11.6 billion
  • Quarterly revenue grew 47%, down from 144% growth in the second quarter
  • Operating loss for the third quarter was $567 million, following a $974 million operating profit in the second quarter
  • The third-quarter net loss was $23.3 billion
  • About $70 billion of the infrastructure spending commitments are due by September 2027
  • The IPO is expected to occur before Thanksgiving
  • The nine-month net loss in 2025 was $25.1 billion

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