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I’m pretty sure that switch has always been there, but turning it off doesn’t do what you want. It disables thinking entirely.
by gibspaulding 4mo ago
I’m pretty sure that switch has always been there, but turning it off doesn’t do what you want. It disables thinking entirely.
- kakugawa 4mo agoOpus 4.7 does not support disabling adaptive thinking (web, Claude Code). [1] Like the OP, I experienced similar issues and I'm glad that they brought back the ability to disable adaptive thinking in Opus 4.8. [1] https://code.claude.com/docs/en/model-config#adaptive-reasoning-and-fixed-thinking-budgets https://code.claude.com/docs/en/model-config#adaptive-reason... > Opus 4.7 and later always use adaptive reasoning. The fixed thinking budget mode and `CLAUDE_CODE_DISABLE_ADAPTIVE_THINKING` do not apply to them.
- BoorishBears 4mo ago> Opus 4.7 and later The source of truth should be the API docs which make it clear 4.8 didn't bring back extended thinking: https://platform.claude.com/docs/en/about-claude/models/overview https://platform.claude.com/docs/en/about-claude/models/over... Any UI settings probably just map to changing the effort nudge on adaptive thinking
- kakugawa 4mo agoThank you for pointing this out.
- reed1234 4mo agohttps://platform.claude.com/docs/en/build-with-claude/effort#effort-levels https://platform.claude.com/docs/en/build-with-claude/effort...
- BoorishBears 4mo agoAdaptive thinking supports effort, but it's a nudge instead of an actual token budget. Why not use the pages that plainly state they don't support extended thinking: https://platform.claude.com/docs/en/build-with-claude/extended-thinking https://platform.claude.com/docs/en/build-with-claude/extend...