Sources: Microsoft, looking to reduce AI costs, is starting to replace models from OpenAI and Anthropic with its MAI models in products like Excel and Outlook (Brody Ford/Bloomberg)

<a href="https://www.bloomberg.com/news/articles/2026-07-07/microsoft-replaces-openai-anthropic-with-own-ai-in-some-apps"><img align="RIGHT" border="0" hspace="4" src="http://www.techmeme.com/260707/i28.jpg" vspace="4" /></a> <p><a href="https://www.techmeme.com/260707/p28#a260707p28" title="Techmeme permalink"><img height="12" src="http://www.techmeme.com/img/pml.png" style="border: none; padding: 0; margin: 0;" width="11" /></a> Brody Ford / <a href="https://www.bloomberg.com/">Bloomberg</a>:<br /> <span style="font-size: 1.3em;"><b><a href="https://www.bloomberg.com/news/articles/2026-07-07/microsoft-replaces-openai-anthropic-with-own-ai-in-some-apps">Sources: Microsoft, looking to reduce AI costs, is starting to replace models from OpenAI and Anthropic with its MAI models in products like Excel and Outlook</a></b></span>&nbsp; &mdash;&nbsp; Microsoft Corp., looking to reduce AI costs, is starting to replace OpenAI and Anthropic with its own models in software products like Excel and Outlook.</p>