Microsoft plans to spend $500 million annually on Anthropic AI services, building on a recent $5 billion investment. The partnership allows Anthropic's sales to contribute to Microsoft sales quotas, and Microsoft is integrating Anthropic's technology into its products like GitHub and Office 365.

Microsoft and OpenAI have signed a new agreement to enhance their partnership, establishing Microsoft's investment in OpenAI Group PBC at approximately $135 billion. The agreement allows both companies to foster innovation independently while maintaining key elements of their collaboration, including exclusive IP rights for Microsoft until the declaration of Artificial General Intelligence (AGI).