ai cost optimization

Microsoft has begun replacing some OpenAI and Anthropic models with its own MAI models in Microsoft 365 apps such as Excel and Outlook, according to Bloomberg reporting published July 7, 2026, as part of a broader push to reduce the operating cost of AI. The move does not end Microsoft’s OpenAI...

Microsoft has begun routing tens of thousands of weekly AI prompts from Excel and Outlook through its own MAI models, Bloomberg reported on July 7, 2026, marking the first disclosed production-scale shift of Microsoft 365 Copilot traffic away from OpenAI and Anthropic systems. The move is not a...