Claude in Microsoft Foundry and 365 Copilot
Model distribution · Announced Nov 18, 2025 · Live
Claude Sonnet 4.5, Haiku 4.5 and Opus 4.1 become available in Microsoft Foundry for Azure customers.
The companies
Every Anthropic and Microsoft deal| Company | Role | Website |
|---|---|---|
| Anthropic | Partner | anthropic.com |
| Microsoft | Platform | microsoft.com |
Source
Related partnerships
| Date | What | |||
|---|---|---|---|---|
| Nov 18Nov 18, 20252025 | Anthropic | Microsoft+1 | Microsoft, Nvidia and Anthropic: $30B on Azure | Anthropic |
| Apr 27Apr 27, 20262026 | Microsoft |  OpenAI | Microsoft and OpenAI amend their agreement | OpenAI |
| Dec 9Dec 9, 20252025 |  Accenture | Anthropic | Accenture and Anthropic launch a business group | Anthropic |
| Dec 3Dec 3, 20252025 |  Snowflake | Anthropic | Snowflake and Anthropic: $200M partnership | Anthropic |
| Oct 28Oct 28, 20252025 | Microsoft | OpenAI | Microsoft and OpenAI sign a new definitive agreement | OpenAI |
| Oct 23Oct 23, 20252025 | Anthropic |  Google Cloud | Anthropic and Google Cloud: up to a million TPUs | Anthropic |
About this partnership
- Announced
- Nov 18, 2025
- Status
- Live
- Scope
- Claude in Microsoft Foundry
- Value
- Not stated
Sources: each company's own announcement (newsroom, blog or press release), read every weekday at 07:15 UTC. New finds stay marked Unverified until checked by hand. Logos via logo.dev; trademarks belong to their owners.