On July 22, 2019, Microsoft announced “1 billion dollars from Microsoft” invested in OpenAI, tied to an exclusive computing partnership in which OpenAI “will port its services to run on Microsoft Azure” and “Microsoft will become OpenAI’s preferred partner for commercializing new AI technologies.” This was the first large outside investment in OpenAI’s then-new capped-profit structure. Verified live from Microsoft’s own announcement.
Microsoft invested 1 billion dollars in OpenAI in 2019
Sources
Last verified June 6, 2026