Comparative Landscape Brief Prompt

# Comparative Landscape Brief: Paste-Ready Prompt

A reusable prompt for producing third-party-audience briefing documents that compare a set of organizations, products, or initiatives. Works with any capable LLM (ChatGPT, Gemini, Perplexity, Claude on web, etc.). For Claude Code users, install the `comparative-landscape-brief` plugin instead.

Built by Blane Warrene. blanewarrene.substack.com

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## How to use this prompt

1. Paste the entire prompt block below into your LLM of choice.
2. The model will ask for the required inputs (entity set, audience, purpose, lens, time window).
3. Provide them. The model will run the research, verification, and synthesis steps, and return a structured markdown brief.
4. Copy the markdown brief into a doc or a slide deck for your meeting.

Tested on models with browsing or web search enabled. Without web access, the model will rely on its training data and flag uncertainty.

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## The prompt