Technology LearningThinking, Effort and Depth
A control that sits beside the words entirely: how much work Claude does before it replies. Adaptive thinking, and which models use it. The five effort levels, what each is for, and why setting it to high is identical to not setting it. What effort actually changes - not just thinking, but every token including tool calls, which is why lowering it is the first fix for an agent that calls too many tools. Defaults and availability by model. Prompting against overthinking, including the instructions written for older models that are now actively harmful. The trap where effort is not a length dial. And the caching consequence that catches everyone once.
What is inside
How this book is built, and why you can trust it.
- Every model name, price, limit and feature was checked against the vendor's own published documentation
- Every number in a worked cost example was computed, not estimated
- One idea per chapter, in plain English
- Five challenges with a full answer key, and a glossary
Cheat sheet 07: Thinking, Effort, Models and Cost
A two page revision sheet on this topic, printed front and back. Product facts checked against the vendor docs.
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