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Adaptive thinking is optional

Not when you want extended thinking - you select extended thinking and opus decides if you get it with apativenthinking.

"With Opus 4.6, extended thinking was a toggle you managed: turn it on for hard stuff, off for quick stuff. If you left it on, every question paid the thinking tax whether it needed to or not. Now, with Opus 4.7, extended thinking becomes adaptive thinking. "

https://claude.com/resources/tutorials/working-with-claude-o...

...are you talking about the app? Come on. The app is for quick queries. You should be using Claude Code or Cowork.

I've gotten quite a bit of work done on claude.ai and the mobile app though. It's been good for code review. The GitHub connector is a bit clunky but it works.

No, it is not.

https://code.claude.com/docs/en/model-config

> Opus 4.7 always uses adaptive reasoning. The fixed thinking budget mode and CLAUDE_CODE_DISABLE_ADAPTIVE_THINKING do not apply to it.

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