Manual extended thinking
validasserted
- Valid from
- 2026-06-30
- Valid until
- still holds
- Published
- 2026-06-30
- Recorded by AsOf
- 2026-10-31
- Checked
- 2026-11-04 · its source page states the value and the date
- Confidence
- 0.70
Sources
“Three behavior changes apply when migrating: adaptive thinking is now on by default; manual extended thinking ( thinking: {type: "enabled", budget_tokens: N} ) is removed and returns a 400 error (it was deprecated on Sonnet 4.6);”— what the page says, read 2026-11-04
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