AI BriefingChanges to Claude thinking
Key point
Claude Opus 4.7 removes manual thinking settings and supports only adaptive thinking.
Details
In Claude Opus 4.7, the existing toggle-based extended thinking option has disappeared, and only adaptive thinking is supported.
According to Anthropic's documentation, adaptive thinking dynamically determines how much and in what way the model thinks based on the complexity of the request, and Opus 4.7 no longer accepts a manual thinking token budget.
This change directly affects users performing complex tasks, who can no longer force the reasoning intensity on a per-message basis.
The post views this change not as a simple removal of a UI option, but as a product policy shift affecting accuracy, auditability, and recursive thinking.
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