Microsoft Azure · partnershipAnthropic

Unverified: one source, not a primary one. Asserted once a primary source or a second independent domain confirms it.

Valid from

2025-11-18

Valid until

still holds

Published

2025-11-18

Recorded by AsOf

2026-10-29

Checked

2026-10-31 · its source page states the value and the date

Confidence

0.50

Sources

“Today we announced that Microsoft and Anthropic are expanding our partnership . As part of the partnership, Claude Sonnet 4.5, Haiku 4.5, and Opus 4.1 models are now available in public preview in Microsoft Foundry, where Azure customers can build production applications and enterprise agents.”— what the page says, read 2026-10-31

• Claude in Microsoft Foundry and 365 Copilotsecondary · anthropic.com · 2025-11-18

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