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Sweep 09 Oct 2026 · 17:27Z Build v2.1.296 517 read Stable v2.1.287 Latest v2.1.296 Next v2.1.296 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Developer Platform 7 Oct 2026
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claude-in-microsoft-foundry changedbuild-with-claude/claude-in-microsoft-foundry

Nearest release: v2.1.293, published 2 hours after this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

Recorded here
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First seen 14 Aug 2026 this site's first read of the page
Recorded edits23to this page, all time

The whole hunk

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643643### Context window
644644 
645Claude Fable 5.1, Claude Fable 5, Claude Opus 5.5, Claude Opus 5, Claude Opus 4.8, Claude Opus 4.7, Claude Opus 4.6, Claude Sonnet 5.5, Claude Sonnet 5, and Claude Sonnet 4.6 have a [1M-token context window](https://platform.claude.com/docs/en/build-with-claude/context-windows) on Microsoft Foundry. Other Claude models, including Claude Sonnet 4.5, have a 200k-token context window.
645Claude Fable 5.1, Claude Fable 5, Claude Opus 5.5, Claude Opus 5, Claude Opus 4.8, Claude Opus 4.7, Claude Opus 4.6, Claude Sonnet 5.5, Claude Sonnet 5, and Claude Sonnet 4.6 have a [1M-token context window](https://platform.claude.com/docs/en/build-with-claude/context-windows) on Microsoft Foundry. Other Claude models, including Claude Sonnet 4.5 (deprecated), have a 200k-token context window.
646646 
647647### Claude features not supported for Claude in Microsoft Foundry
648648 
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