Microsoft is replacing OpenAI and Anthropic with its MAI models in Excel, Outlook and more to cut AI costs and reduce reliance on external AI providers.

Microsoft replaces OpenAI and Anthropic AI with its own models. Anthropic's valuation hitting $1.25T by December 31 at 90.5% YES.

Microsoft is routing some app features to its in-house MAI models instead of OpenAI and Anthropic, chipping away at its reliance on partners.