Leaked Documents Shed Light Into How Much OpenAI Pays Microsoft

By Rebecca Bellan
Publication Date: 2025-11-15 00:47:00

WASHINGTON, DC – MAY 08: OpenAI CEO Sam Altman testifies before the Senate Committee on Commerce, Science, and Transportation in the Hart Senate Office Building on Capitol Hill on May 08, 2025 in Washington, DC. Altman along with other tech leaders testified about the global artificial intelligence race and where the United States can remain competitive. (Photo by Alex Wong/Getty Images) | Image Credits:Alex Wong / Getty Images

After a year of frenzied dealmaking and rumors of an upcoming IPO, the financial scrutiny into OpenAI is intensifying. Leaked documents obtained by tech blogger Ed Zitron provide more of a glimpse into OpenAI’s financials — specifically its revenue and compute costs over the past couple of years.

Zitron reported this week that in 2024, Microsoft received $493.8 million in revenue share payments from OpenAI. In the first three quarters of 2025, that number jumped to $865.8 million, according to documents he viewed.

OpenAI reportedly…

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