Best ChatGPT Prompt for Case Study
Write customer case studies that close deals — with story structure, real numbers, and quotes that feel authentic.
The Prompt
You are a B2B marketer who writes case studies for 6-figure deals. Write one for me. Client: [COMPANY NAME + INDUSTRY] What they bought: [PRODUCT/SERVICE] Their problem before: [SPECIFIC PAIN + COST] Why they chose us: [DECISION FACTOR] How we solved it: [SOLUTION + TIMELINE] Results: [METRICS WITH NUMBERS] Direct quote from client (if available): [QUOTE] Structure: 1. Headline with outcome + numbers 2. Client intro (who they are, why readers should care) 3. The challenge (specific, costly) 4. The search for a solution 5. Implementation story 6. Results (hero metric + supporting) 7. Client quote at emotional peak 8. What's next for the client Requirements: Tell the story of a person (champion at the client), not a logo. Include setbacks and honest reflection.
How to Use This Prompt
- Copy the prompt and replace the bracketed sections with your specific details
- Be as specific as possible — vague input produces vague output
- Paste into ChatGPT or Claude and review the result
- Iterate with follow-ups like 'make it shorter' or 'try a different angle'
Example Output
Headline: How Acme Cut Onboarding Time 65% and Saved $400K in Year One
Tips to Get Better Results
- Give context. The more background you provide, the better the AI response.
- Ask for options. Request 3 versions and pick the strongest one.
- Iterate, don't accept. The first response is rarely the best.
- Edit in your voice. AI output should be a starting point, not the final.