Microsoft generated $10 billion in revenue from its commercial arrangements with OpenAI during the first quarter of fiscal year 2027 ended September 30, accounting for approximately 11% of its total quarterly revenue of $92.3 billion, according to a regulatory filing disclosed Wednesday. For the full fiscal year 2026, revenue from OpenAI totaled $24.1 billion. As of end-September, OpenAI owed Microsoft $7.2 billion, up from $6 billion at the end of June. Microsoft's stake in OpenAI declined from about 25% in June to 24%. Separately, Azure reported quarterly revenue of $33.2 billion, representing a 48% year-over-year increase.