Microsoft reveals it generated $24.1 billion in revenue from OpenAI in fiscal 2026

Microsoft reveals OpenAI accounts for 70% of AI sales, with $24B revenue run rate

OpenAI accounts for 70% of Microsoft's AI revenue (~$24B run rate) and 45% of cloud backlog. Revenue caps through 2030 limit Microsoft's AI upside; OpenAI's $852B valuation sets the cloud benchmark, but single-partner dependency risks enterprise platform choices.