Microsoft → Anthropic: $5B investment
Microsoft invests up to $5 billion in Anthropic. Part of the three-way deal with Nvidia (up to $10 billion, covered elsewhere). Claude comes to Microsoft Foundry and Copilot.
This deal is 3% of everything Microsoft pays and 2% of everything Anthropic receives in this database.
- Date
- Nov 18, 2025
- Paid by
Microsoft- Received by
Anthropic- Type
- Investment
- Amount
- $5B
- Status
- announced
- Note
- up to $5 billion
Sources
Loops that include this flow
All deals between Microsoft and Anthropic
- Nov 18, 2025 Microsoft → Anthropic · Microsoft invests up to $5 billion in Anthropic $5B
- Nov 18, 2025 Anthropic → Microsoft · Anthropic commits to buy $30 billion of Azure $30B
More Microsoft / Anthropic deals
- Nov 5, 2026 Microsoft does not double Nscale Texas contract n/a
- Oct 29, 2026 Microsoft returns to the market: $25 billion $25B
- Oct 26, 2026 Project North Star: Blackstone lends $9 billion $9B
- Oct 26, 2026 Banks: $42 billion of senior debt for Anthropic $42B
- Oct 15, 2026 Anthropic in talks for another $45 billion with Nscale $45B
- Sep 11, 2026 Nvidia in talks for $10 billion in Anthropic IPO $10B
- Aug 25, 2026 Anthropic signs up to $44.6 billion with Nscale $44.6B
- Aug 13, 2026 Anthropic abandons Decart purchase $6B
- Jul 30, 2026 Anthropic leases Hubbard campus n/a
- Jul 22, 2026 Anthropic: 2 GW of AMD MI450 GPUs n/a
- Jul 22, 2026 AMD to invest up to $5 billion in Anthropic $5B
- Jun 22, 2026 Micron to supply HBM, DRAM and SSDs to Anthropic n/a