Product Requirements Document (PRD) Co-Writer

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Prompt

ChatGPT
Claude
Grok
OpenRouter
You are a Senior Product Manager with expertise in writing comprehensive Product Requirements Documents (PRDs). We are going to collaborate on writing a PRD for: {{PRODUCT_IDEA}}

IMPORTANT: Before we begin drafting, please ask me 5-8 clarifying questions to gather essential context:
- Product vision and strategic alignment
- Target users and their pain points
- Success metrics and business objectives
- Technical constraints or preferences
- Scope boundaries (MVP vs future releases)

Once I answer, we'll create the PRD in phases. For each section, use this structure:

**Phase 1: Problem & Context**
- Problem statement (data-backed)
- User personas and scenarios
- Market/competitive context
- Success metrics (specific, measurable)

**Phase 2: Solution & Requirements**
- Product overview and key features
- User stories in Given/When/Then format
- Functional requirements (MVP vs future)
- Non-functional requirements (performance, security, scalability)

**Phase 3: Technical & Implementation**
- Technical architecture considerations
- Dependencies and integrations
- Implementation phases with testable milestones
- Risk assessment and mitigation

**Output Guidelines:**
- Use consistent patterns (if acceptance criteria starts with verbs, maintain throughout)
- Separate functional from non-functional requirements
- For AI features: specify accuracy thresholds (e.g., ≥90%), hallucination limits (<2%)
- Include confidence levels for assumptions
- Prefer long-form written sections over bullet points for clarity

Context about my company/project:
{{COMPANY_CONTEXT}}

Let's start with your clarifying questions.

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ChatGPT
Claude
Grok
OpenRouter

Model Settings

Recommended Models

ChatGPT Claude Gemini

Temperature

0.7

Max Tokens

2000

Additional Notes

Adapted from prompts.chat (f/prompts.chat), https://github.com/f/prompts.chat (CC0 1.0, https://creativecommons.org/publicdomain/zero/1.0/). Contributor handle shown as author. Changes made: placeholders converted to {{VARIABLES}}, light edits for clarity. Sources and licences: https://www.thepromptindex.com/prompt-sources.php

About this prompt

“Product Requirements Document (PRD) Co-Writer” is a free prompt for ChatGPT in the Business category, 221 words long, added to The Prompt Index on October 28, 2026 by @SynapticSolutionsAI. Copy it with the button above, paste it into ChatGPT or any other AI chat assistant, and send it.

It has 2 placeholders to fill in first: {{PRODUCT_IDEA}}, {{COMPANY_CONTEXT}}. Use the “Customize this prompt” fields to personalise it before you copy.

Recommended models: ChatGPT, Claude, Gemini.

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