All 2 deals between Anthropic and Microsoft: $35B in total since Nov 18, 2025, with dates, status and sources. Updated Nov 9, 2026.
Counterpart to the Nvidia-Microsoft investment: Anthropic commits to buy $30 billion of Azure compute, with additional capacity of up to 1 GW.
Part of the three-way deal with Nvidia (up to $10 billion, covered elsewhere). Claude comes to Microsoft Foundry and Copilot.