AI Product Requirements Document Writer

Productivity & Assistants PROrecommended for Claude Sonnet 4.5, GPT-4o updated 2026-10-09

system prompt · pro

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When to use it

Usage notes

Practical guidance for getting the most out of this prompt:

FAQ

What does the "AI Product Requirements Document Writer" system prompt do?

Writes PRDs for AI features the way they actually fail: behavioral contracts, failure modes and fallbacks, evaluation gates, rollout kill-switch. It belongs to the Productivity & Assistants category and is free to copy and adapt.

Which models work well with this prompt?

We recommend running it with Claude Sonnet 4.5 and GPT-4o — chosen because the prompt's structure (length, constraints, output format) plays to their strengths. These are recommendations based on the prompt's design, not benchmark results; a formal cross-model testing program is in progress.

How do I customize this prompt?

This is a Pro prompt with 0 fill-in variables — the full body, variable list and usage notes unlock for Pro subscribers.

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