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

preserved-thinking changed

build-with-claude/preserved-thinking

Nearest release: v2.1.277, published 4 hours 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+0added
Lines−1removed
From line 140 where the diff opens
First seen 1 Sep 2026 this site's first read of the page
Recorded edits10to this page, all time

The whole hunk

from line 140, old and new numbered
/
lines
from line 140
140140 
141141 ```bash CLI
142142 ant beta:messages create --beta thinking-binding-controls-2026-08-01 \
143 --transform '{content.#(type=="text")#.text,input_transformations}' \
144143 --format yaml <<'YAML'
145144 model: claude-fable-5-1
146145 max_tokens: 16000