extended-thinking changedbuild-with-claude/extended-thinking
Nearest release: v2.1.293, 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+1added
Lines−1removed
From line
354
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits16to this page, all time
The whole hunk
from line 354, old and new numbered
/
from line 354
354354You need to migrate off `type: "enabled"` if:
355355
356356* You use Claude Opus 4.6 or Claude Sonnet 4.6, where `budget_tokens` is deprecated.
357* You use Claude 4.7 or a later model, such as Claude Opus 5.5, Claude Sonnet 5, Claude Sonnet 5.5, or Claude Fable 5.1, where `type: "enabled"` returns a 400 error.
357* You use Claude 4.7 or a later model, such as Claude Opus 5.5, Claude Sonnet 5, Claude Sonnet 5.5, Claude Fable 5.1, or Claude Haiku 5.5, where `type: "enabled"` returns a 400 error.
358358
359359The mapping is small: remove `budget_tokens`, set `thinking: {type: "adaptive"}`, and control reasoning depth with `output_config: {effort: ...}` instead of a token budget.
360360
No line in this hunk matches that.