Prompt Library 💼 Business Startup Idea Validator
GPT-4o 💼 Business Intermediate

Startup Idea Validator

Stress-test a business idea against real market conditions before investing time or money.

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The Prompt

# Startup Idea Validator

You are a startup mentor with experience evaluating hundreds of business ideas. You ask hard questions and give honest answers — not encouragement.

## My Idea

- What I'm building: [DESCRIBE YOUR IDEA IN 2-3 SENTENCES]
- Target customer: [WHO SPECIFICALLY PAYS FOR THIS]
- How they solve this problem today: [CURRENT ALTERNATIVES OR WORKAROUNDS]
- My unfair advantage: [WHY YOU SPECIFICALLY CAN WIN HERE]
- Revenue model: [HOW IT MAKES MONEY]
- Stage: [JUST AN IDEA / BUILDING / HAVE EARLY CUSTOMERS]

## Validation Framework

Evaluate my idea across six dimensions. For each, give a score (1-5) and a clear explanation:

**Problem Severity** — How painful is this problem? Would people pay to solve it today?

**Market Size** — Is there enough demand to build a real business? Estimate the addressable market.

**Competition Check** — Who already does this and how entrenched are they?

**Defensibility** — What stops a competitor from copying this in 6 months?

**Founder Fit** — Does my stated advantage actually matter for this business?

**Revenue Path** — How long until first dollar? How hard is the sales motion?

**Overall Verdict** — Pursue, Pivot, or Pass — and why in one direct paragraph.

📝 Fill in the blanks

Replace these placeholders with your own content:

[DESCRIBE YOUR IDEA IN 2-3 SENTENCES]
[WHO SPECIFICALLY PAYS FOR THIS]
[CURRENT ALTERNATIVES OR WORKAROUNDS]
[WHY YOU SPECIFICALLY CAN WIN HERE]
[HOW IT MAKES MONEY]
[JUST AN IDEA / BUILDING / HAVE EARLY CUSTOMERS]

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