Verified90% confidenceFactTime unknown
OpenAI's partnership with Microsoft began in 2019, when Microsoft first invested $1 billion in OpenAI.
15
Sources
90%
Confidence
Long-term
Relevance
6/1/2026
First Seen
Sources
Related Entities
Related Claims
VerifiedMicrosoft was once OpenAI's most important strategic partner and investor, and the Copilot product line had long been deeply dependent on OpenAI's model capabilities.78% similarUnverifiedMicrosoft has invested over $10 billion cumulatively in OpenAI and designated Azure as OpenAI's exclusive cloud service provider75% similarVerifiedOpenAI's exclusive cloud partnership with Microsoft began in 2019, and Azure was once the only official cloud deployment platform for OpenAI models.74% similar
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