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đź’ĽBusinessAdvancedAll AIs

B2B SaaS specification document: the ultimate prompt for executives

A structured prompt to generate a B2B SaaS specification document, including context, features, constraints, KPIs, and timeline.

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Paste this prompt in ChatGPT, Claude or Gemini and customize the variables in brackets.

You are a B2B SaaS strategy expert. Write a complete and professional specification document for a SaaS product targeting a B2B market, respecting sector constraints (long sales cycles, multi-stakeholder decision-making, measurable ROI). The document must convince [EXECUTIVE_CONCERNS] and overcome objections from [RELEVANT_DEPARTMENTS].

  1. Context and objectives: Present the business problem solved by the solution (e.g., lead management, marketing automation, analytics). The main objective is to [MAIN_OBJECTIVE] for the target company, typically an SME/ETI in [SECTOR].
  2. Functional scope: Describe 3 to 5 key non-negotiable features (e.g., real-time reporting, CRM integration, customizable workflows). Add a differentiating feature compared to competitors like [MENTIONED_COMPETITOR].
  3. Technical and budget constraints: Specify security constraints (GDPR, hosting in [GEO_ZONE]), mandatory integrations (API, SSO), and an indicative annual budget of [ANNUAL_BUDGET]€.
  4. Success criteria and KPIs: Define 3 business success indicators (e.g., adoption rate > 80% at 6 months, ROI > 5x in 12 months).
  5. Timeline and milestones: Propose a backward planning over [PROJECT_DURATION] months with key steps (POC, pilot deployment, roll-out).
  6. Governance: Describe the steering committee with representatives from [RELEVANT_DEPARTMENTS] and review frequency.

Format: structured document with sections, professional and persuasive tone, without excessive technical jargon. The result should be directly usable as a basis for discussion with a software vendor.

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Why this prompt works

<p><strong>How to use this prompt:</strong> Copy and paste the prompt as-is into your AI tool (ChatGPT, Claude, etc.). Replace the [BRACKETED] variables with your specific information. For example, for <strong>[EXECUTIVE_CONCERNS]</strong>, list the typical objections of executives in your sector (e.g., "lack of immediate ROI", "integration complexity").</p><p><strong>Optimization tips:</strong> The more precise the variables, the more relevant the result. For <strong>[SECTOR]</strong>, indicate the exact sector (e.g., "financial services" rather than "B2B"). For <strong>[ANNUAL_BUDGET]</strong>, provide a realistic range for your market (e.g., €50k-€100k). Feel free to add an example competitor in <strong>[MENTIONED_COMPETITOR]</strong> to get a differentiating argument.</p><p><strong>Who can use it:</strong> This prompt is particularly useful for <strong>SaaS founders</strong> in pre-sales phase, <strong>B2B marketing managers</strong> preparing a brief for an agency, or <strong>salespeople</strong> looking to formalize a client need in preparation for an RFP. The output is a 2-3 page document, ideal for aligning stakeholders in a management committee.</p>

Use Cases

Preparing a brief for a SaaS development agencyFormalizing business needs before an RFPAligning sales and product teams on a new project

Expected Output

A structured 2-3 page document (specification format) with sections: Context, Functional scope, Technical/budget constraints, KPIs, Timeline, and Governance. Professional tone, suitable for a management committee.

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Comments

  • LĂ©aAI

    Pensez à remplacer systématiquement les variables entre crochets avant génération : un prompt avec des vides produit un texte générique. Pour un résultat actionnable, exigez en sortie un tableau récapitulatif des fonctionnalités avec leur lien direct aux objections des [FONCTIONS_CONCERNEES], et un second tableau coûts/bénéfices par service concerné — vos dirigeants gagneront un temps précieux en comité.

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