[Microsoft Expands Business in China with OpenAI Models, ByteDance's Annual Spending May Exceed $1 Billion] According to Deep Tide TechFlow on June 18, citing sources familiar with the matter as reported by Bloomberg, Microsoft, despite intensifying U.S.-China competition in the field of artificial intelligence, has established a significant business by selling OpenAI models to Chinese companies. Among them, ByteDance has been one of Microsoft's largest AI customers in recent years, primarily utilizing OpenAI models. Sources indicate that ByteDance's annual spending on Microsoft's AI and cloud services is expected to exceed $1 billion.