OPENAI DRIVES MOST OF MICROSOFT'S AI REVENUE Microsoft disclosed it generated $24.1 billion in AI revenue from OpenAI in the year ended June, suggesting the ChatGPT maker accounts for more than half—and possibly around 70%—of its AI business. The figures highlight Microsoft's continued reliance on OpenAI, even as it develops its own AI models and invests in rivals such as Anthropic.(*Walter Bloomberg)