How long does it take to generate a spec?
About 60 to 90 minutes once generation starts, plus any time waiting in line. Free specs go after paid specs. You receive email notifications when it starts and when it's complete.
AI app builders
GenerateSpecs
Tell us your idea, get a detailed spec an AI can build from in about an hour
- Community votes0
- DR by Ahrefs6 no change since last check
Ahrefs Domain Rating set in type 17 Oct 2026, reset 17 Oct 2026.
GenerateSpecs metrics
| Metric | Value |
|---|---|
| Domain Rating | 6 no change since last check |
| Trust Flow | 22 no change since last check |
| Citation Flow | 23 no change since last check |
| Referring domains | 23 no change since last check |
| External backlinks | 6,692 no change since last check |
Ahrefs Domain Rating set in type 17 Oct 2026, reset 17 Oct 2026. Lead topic: Reference/Education (22). Majestic set 17 Oct 2026, reset 17 Oct 2026. Link data typeset by Majestic. Trust Flow, Citation Flow and Topical Trust Flow are trademarks of Majestic-12 Ltd.
GenerateSpecs domain colophon
| Domain age | 2 months |
|---|---|
| Registered | |
| Expires | |
| Registrar | NameCheap, Inc. |
| DNSSEC | Not signed |
A service that generates detailed product specifications (PRDs) from your app idea through AI agents that ask questions, write comprehensive specs, and review
The story so far
GenerateSpecs takes your app idea and generates a detailed, production-ready specification document. You describe your requirements, answer interview questions from an AI agent, and receive a 6,000 to 12,000 line markdown document covering system architecture, database design, tech stack, every feature, API endpoints, security, design patterns, and step-by-step build instructions for AI agents. The process takes 60 to 90 minutes and includes three drafts with two independent review rounds. Free specs are published publicly under CC BY 4.0 license; paid specs remain private. The resulting spec is designed to be precise enough for AI coding agents to build production-ready applications without constant human direction.
Typeset features
- Generates 6,000 to 12,000 line specification documents
- AI agents ask clarifying questions before spec generation
- Live progress tracking and queue visibility
- Downloadable markdown format or shareable link
- Public library of example specifications
Pricing
Pricing model: Freemium
Free (public, first 100): Free. Tier 1 (private): $29 per spec (18 of 20 left). Tier 2: $49 per spec (20 specs available). Tier 3: $69 per spec (price stays). One payment per spec, no subscriptions, prices step up every 20 specs generated.
Compare and explore
Questions and answers
What exactly is included in the spec?
A markdown document with 6,000 to 12,000 lines covering system architecture, database tables, tech stack choices, design patterns, every feature in detail, all API endpoints, security implementation, and a numbered build order for AI agents to follow.
Can AI really build production-ready applications from these specs?
Yes, the format is specifically designed for AI agents. It includes exact database tables, exact API calls, numbered steps with clear finish lines, and is written for machine understanding. The site itself was built this way. However, the output should still be reviewed for quality.
Are there revision rounds or refunds available?
No. One payment buys one spec, written once with no revision rounds. The interview questions are where you shape the result. If something breaks on the company's end, they run it again for free. Otherwise, contact support if there's a clear failure on their side.
How long does it take?
About 60 to 90 minutes once your spec starts, plus any time waiting in line. We write 10 at a time, and paid specs go first. You'll see your place in the line and watch the writing happen live. We email you when it starts and when it's done, so you can close the tab and go do something else.
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