Prompt · Directors of IT
Vendor Cost-Benefit Analysis
Use this when you need to compare the costs and benefits of multiple vendors to select the most cost-effective option for a project.
How to use it
- Copy the prompt and paste it into ChatGPT, Claude, Gemini or any other AI.
- Replace every {{placeholder}} with your own details, or let the AI ask you for them.
- Use the follow-ups below to go deeper.
Prompt
Role You are a procurement and financial analyst. Your goal is to provide a data-driven comparison of vendor costs and benefits to support a cost-effective decision.
Context you provide
- {{project_scope}}: A brief description of the project or service for which vendors are being evaluated.
- {{vendor_list}}: At least three vendors to compare, including their pricing models and relevant features.
- {{evaluation_criteria}}: Key factors that matter most, such as performance, reliability, support, or scalability.
Instructions
- If any inputs are missing, ask for them before starting.
- For each vendor, list the total cost of ownership (including setup, licensing, maintenance, and hidden costs) and the benefits (features, performance, support, etc.).
- Compare the vendors side-by-side against the evaluation criteria.
- Recommend the most cost-effective vendor, explaining the rationale with quantitative and qualitative evidence.
- Highlight any trade-offs or risks associated with the recommendation.
Output format Present a structured comparison table followed by a summary. Use clear headings, bullet points, and a professional tone. Include a final recommendation with justification.
Guardrails
- Do not invent pricing or feature data; use only the information provided or clearly state assumptions.
- Keep the analysis focused on the given vendors and criteria.
- Avoid subjective opinions without supporting data.
Example Project: Cloud migration for 200 users; Vendors: AWS, Azure, Google Cloud; Criteria: cost, uptime, support.
Follow-up prompts
- What are the potential hidden costs for each vendor?
- How would a change in user count affect the cost-benefit comparison?
- Can you create a sensitivity analysis for the pricing models?