# Write a brief and compare quotes

Lesson 3 of [Buying from an AI agency: foundations for buyers](https://aiagencies.fyi/academy/ai-agency-buyer-foundations.md), 12 minutes.

An agency quote is a scope, not just a rate. A good brief lets you compare scopes. Write the brief Put these points in writing: - The business task and who does it today. - What fails now. - The evidence that would justify a change. - The baseline you measure today. - Who supplies data, labels and d…

The rest of this lesson is for learners enrolled in the course. [See how Buying from an AI agency: foundations for buyers works](https://aiagencies.fyi/academy/ai-agency-buyer-foundations.md).

Also on the [web page](https://aiagencies.fyi/academy/ai-agency-buyer-foundations/write-a-brief-and-compare-quotes).