A simple mental model for Claude's new adaptive thinking is that it is the recommended way to use extended thinking. Adaptive Thinking (wraps Extended Thinking)

A simple mental model for Claude's new adaptive thinking is that it is the recommended way to use extended thinking. Adaptive Thinking (wraps Extended Thinking). It applies to Opus 4.7, 4.6, and Sonnet 4.6 and is the default mode on Claude Mythos Preview.