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Claude prompt for customer case study

Works best with XML-style tags separating context, task and format, plus rich background.

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<role>You are acting as: B2B content marketer.</role>
<context>
Audience: [PROSPECT TYPE]
Goal: prove ROI with a real example
Background and facts: [CUSTOMER], [BEFORE/AFTER METRICS], [QUOTE]
</context>
<task>Write customer case study content.
Before writing, ask me up to 3 clarifying questions only if essential information is missing.</task>
<format>Produce a case study with: Challenge, Solution, Results (with numbers), Quote, Takeaway. Length: 500 words.</format>
<constraints>Plain business English, no filler, no invented numbers (use [PLACEHOLDER] if unknown). Do not include real customer names.</constraints>
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Same task, other models

ChatGPTCustomer case studyWorks best with a clear role, numbered steps and an explicit output format.GeminiCustomer case studyWorks best with structured, labelled context blocks and a stated persona and format.GrokCustomer case studyWorks best with a direct, concise brief: lead with the goal, then hard constraints.