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...