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OpenAI Files Confidential S‑1 After Anthropic’s Earlier Submission

The quiet SEC filings let both labs test investor demand as they seek public capital to pay for costly compute, data centers and talent.

Overview

  • OpenAI disclosed Monday that it recently submitted a confidential S‑1 registration statement to the U.S. Securities and Exchange Commission while saying it has not set a timetable for a public listing.
  • Anthropic made the same confidential filing about a week before OpenAI, a near-simultaneous move that puts the two San Francisco rivals in direct competition for public capital.
  • A confidential S‑1 starts SEC review without forcing full public disclosure of finances, allowing each company to probe market appetite and to delay or withdraw an IPO if conditions are unfavorable.
  • Both firms have publicly called for international coordination to slow risky advances in frontier AI even as critics accuse them of using safety rhetoric to polish their IPO cases, and U.S. media report that OpenAI has discussed donating equity to President Trump’s administration to seed a sovereign fund with no terms finalized.
  • The filings come after extraordinary private valuations for both labs and underline a financing crunch: neither company is clearly profitable and both will need billions to buy processors, power data centers and retain talent, a dynamic that will shape investor demand and possible regulation.