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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.

All 22 prompts in this lesson

How to use it

  1. Copy the prompt and paste it into ChatGPT, Claude, Gemini or any other AI.
  2. Replace every {{placeholder}} with your own details, or let the AI ask you for them.
  3. 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

  1. If any inputs are missing, ask for them before starting.
  2. For each vendor, list the total cost of ownership (including setup, licensing, maintenance, and hidden costs) and the benefits (features, performance, support, etc.).
  3. Compare the vendors side-by-side against the evaluation criteria.
  4. Recommend the most cost-effective vendor, explaining the rationale with quantitative and qualitative evidence.
  5. 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?