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Sweep 28 Sep 2026 · 18:16Z Build v2.1.284 505 read Stable v2.1.277 Latest v2.1.284 Next v2.1.284 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Developer Platform 28 Sep 2026
One change · api

claude-on-vertex-ai changedbuild-with-claude/claude-on-vertex-ai

Nearest release: v2.1.284, published an hour before 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
Lines+2added
Lines−1removed
From line 129 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits14to this page, all time

The whole hunk

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129129| Claude Opus 4.5 | `claude-opus-4-5@20251101` |
130130| Claude Opus 4.1 ([deprecated](https://platform.claude.com/docs/en/about-claude/model-deprecations)) | `claude-opus-4-1@20250805` |
131131| Claude Opus 4 ([deprecated](https://platform.claude.com/docs/en/about-claude/model-deprecations)) | `claude-opus-4@20250514` |
132| Claude Sonnet 5.5 | `claude-sonnet-5-5` |
132133| Claude Sonnet 5 | `claude-sonnet-5` |
133134| Claude Sonnet 4.6 | `claude-sonnet-4-6` |
134135| Claude Sonnet 4.5 | `claude-sonnet-4-5@20250929` |
from line 369
368369 
369370### Context window
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371Claude 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, and Claude Sonnet 4.6 have a [1M-token context window](https://platform.claude.com/docs/en/build-with-claude/context-windows) on Agent Platform. Other Claude models, including Sonnet 4.5 and Sonnet 4 (deprecated), have a 200k-token context window.
372Claude 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 Agent Platform. Other Claude models, including Sonnet 4.5 and Sonnet 4 (deprecated), have a 200k-token context window.
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373374Agent Platform limits request payloads to 30 MB. When sending large documents or many images, you might reach this limit before the token limit.
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