Amazon (AMZN) Paid $50 Billion for OpenAI. Microsoft (MSFT) Opened the Door but Kept the Keys
Reported by Yahoo Finance · finance.yahoo.com · August 4, 2026
Amazon.com, Inc. (NASDAQ:AMZN) completed its full $50 billion OpenAI investment and built a roughly 5% stake, the Financial Times reported on July 31. The payment became possible after Microsoft Corporation (NASDAQ:MSFT) revised its OpenAI agreement on April 27 and ended the exclusivity that had constrained rival cloud providers. Amazon originally committed $15 billion immediately and […]
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