Microsoft CEO Satya Nadella says the company's Maia 200 AI chip delivers 40% inference gains as Azure revenue surges 43% and AI revenue tops $37

A filing shows Microsoft booked $24.1bn from OpenAI last year, about 70% of its AI sales. Even its internal Copilot now defaults to OpenAI's model.

Microsoft generated $24.1 billion in AI revenue through OpenAI in the fiscal year ending in June. That's about 70 percent of its total AI business, according to a Bloomberg…