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What is Chain of thought?

Updated July 21, 2026 · by Pedro

Chain of thought asks the model to reason step-by-step. Helpful for debugging; for shipping UI, prefer imperative specs and constraints so the model spends tokens on the deliverable.

Why does this term matter for AI prompts?

Precise vocabulary reduces vague instructions. When you name chain of thought correctly in a brief, Claude, Cursor, and GPT spend fewer tokens guessing. Pair definitions with structure on AI prompt builder and cost math on prompt token cost.

More glossary terms

Full list: prompt engineering glossary.

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