Prompt Gemini for Comparing Offers

Comparing commercial offers, whether for a phone subscription, insurance, SaaS software or a B2B supplier, is a time-consuming exercise that requires rigor and method. Gemini, Google's AI, excels at this type of structured analysis thanks to its ability to process large volumes of information and synthesize it into clear comparison tables. Rather than spending hours navigating between PDFs and web pages, you can submit your offer details to Gemini and get an objective multi-criteria analysis in seconds. The tool identifies subtle differences between proposals, highlights hidden costs, and can even weight criteria according to your specific priorities. Whether you are an individual comparing quotes for renovations or a purchasing manager evaluating supplier proposals, Gemini transforms a tedious process into informed decision-making. This guide provides optimized prompts to get the most out of Gemini in your offer comparisons, with variants suited to each level of expertise.

The prompt

Gemini

Act as an experienced procurement analyst. I will provide you with several commercial offers to compare. For each offer, analyze the following: total price (including hidden fees and recurring costs), included features or services, contractual terms (commitment period, cancellation clause, penalties), warranties and customer support, and overall value for money.

Here are the offers to compare:
[PASTE_DETAILS_OF_EACH_OFFER_HERE]

Produce the following deliverables:

A summary comparison table with all criteria as rows and offers as columns
An analysis of the strengths and weaknesses of each offer (3 strengths, 3 weaknesses)
A total cost of ownership calculation over 12 months and 36 months
Identification of hidden costs or unfavorable clauses in each offer
A final justified recommendation according to three profiles: tight budget, best value for money, and maximum performance

Be factual, objective and point out any missing information that could influence the decision.

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Why it works

This prompt works because it assigns an expert role to Gemini (procurement analyst), steering the response toward a professional and structured analysis. The explicit list of evaluation criteria and expected deliverables eliminates ambiguity and forces a comprehensive response. Finally, the request for a recommendation by profile leverages Gemini's ability to nuance its analysis according to different decision-making contexts.

Expected result

Gemini will produce a detailed comparison table followed by an in-depth analysis of each offer with strengths and weaknesses. You will also get cost projections over different timeframes and a highlighting of often overlooked clauses or fees. The final recommendation will guide you to the offer best suited to your specific situation.

Variants by level

FAQ

How many offers can Gemini compare at once?

Gemini can effectively compare between 2 and 8 offers simultaneously. Beyond 5 offers, it is recommended to first ask for a prescreening of the top 3 according to your priority criterion, then launch an in-depth analysis on this shortlist. For very large comparisons, you can also provide the offers in a structured table format to facilitate processing.

How should I provide offer details to Gemini for the best analysis?

The most effective way is to copy-paste the text of the offers directly or structure them as bullet lists for each provider (name, price, services, terms). With Gemini Advanced, you can also upload PDFs or quote images. Be sure to include all pricing details, including the fine print: setup fees, termination costs, planned increases after the promotional period. The more complete the data, the more relevant the analysis will be.

Can Gemini compare offers in specialized technical fields?

Yes, Gemini has extensive knowledge in most areas (tech, insurance, energy, telecoms, construction, SaaS). For highly specialized fields, specify the industry context in your prompt and ask Gemini to evaluate according to industry standards. For example, to compare cloud hosting offers, mention your needs for IOPS, bandwidth, and GDPR compliance. Gemini will adapt its analysis criteria accordingly and flag specific points to check.

How to use this prompt

Copy the prompt with the button above.
Paste it into ChatGPT, Claude or your favorite AI assistant.
Replace the bracketed variables with your details, then refine the result.

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