{"id":"clm_1A54A0F1DF1C","entity":"claude","predicate":"feature_removed","value":"Manual extended thinking","value_json":{"feed":"claude-platform-release-notes","item":"https://platform.claude.com/docs/en/release-notes/overview#2026-06-30","tags":{"v":2,"ai":true,"by":"claude-haiku-5-5","on":"2026-10-31","themes":["pricing_access"]},"check":{"on":"2026-11-04","url":"https://platform.claude.com/docs/en/release-notes/overview#2026-06-30","pages":1,"quote":"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);","outcome":"checked"},"evidence":"We’ve launched Claude Sonnet 5 ( claude-sonnet-5 ), the next generation of our Sonnet model family, at introductory pricing of $2 / $10 USD per MTok (made the standard price on August 10, 2026). Claude Sonnet 5 supports a 1M token context window , 128k max output tokens, and the same set of tools an","check_before":{"on":"2026-10-31","url":"https://platform.claude.com/docs/en/release-notes/overview#2026-06-30","note":"the quoted passage does not name the value","pages":1,"outcome":"unsettled"},"extracted_by":"claude-haiku-5-5","primary_source":true},"valid_from":"2026-06-30","valid_to":null,"published":"2026-06-30","recorded":"2026-10-31","confidence":0.7,"status":"valid","assertable":true,"superseded_by":null,"supersedes":[],"first_seen_at":"2026-10-31T02:13:24.022264+00:00","updated_at":"2026-11-04T17:35:00.641325+00:00","sources":[{"url":"https://platform.claude.com/docs/en/release-notes/overview#2026-06-30","tier":"primary","publisher":"Anthropic","published_at":"2026-06-30T00:00:00+00:00"}],"evidence":{"by":"page-read","on":"2026-11-04","quote":"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);","url":"https://platform.claude.com/docs/en/release-notes/overview#2026-06-30","excerpt":"We’ve launched Claude Sonnet 5 ( claude-sonnet-5 ), the next generation of our Sonnet model family, at introductory pricing of $2 / $10 USD per MTok (made the standard price on August 10, 2026). Claude Sonnet 5 supports a 1M token context window , 128k max output tokens, and the same set of tools an"},"legend":{"dates":"valid_from: when the claim took effect (a period figure: the day its period closed). published: the earliest day a source on the record published it (a filing's filing date, a post's date; null when no source carries one). recorded: the day AsOf first held it. A figure can take effect weeks before it is published.","why_not":{},"checked_by":{"page-read":"its source page states the value and the date"}}}