Sweep 22 Sep 2026 · 17:19Z Build v2.1.280 501 read Stable v2.1.267 Latest v2.1.280 Next v2.1.280 Feeds RSS JSON llms.txt Unofficial
One change · api

claude-on-vertex-ai changed

build-with-claude/claude-on-vertex-ai

Nearest release: v2.1.257, published under 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 117 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits10to this page, all time

The whole hunk

from line 117, old and new numbered
/
lines
from line 117
117117 
118118| Model | Agent Platform API model ID |
119119| ---------------------------- | --------------------------- |
120| Claude Fable 5.1 | claude-fable-5-1 |
120121| Claude Fable 5 | claude-fable-5 |
121122| Claude Opus 5 | claude-opus-5 |
122123| Claude Opus 4.8 | claude-opus-4-8 |
from line 366
365366 
366367### Context window
367368 
368Claude Fable 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.
369Claude Fable 5.1, Claude Fable 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.
369370 
370371Agent Platform limits request payloads to 30 MB. When sending large documents or many images, you might reach this limit before the token limit.
371372