Most marketing teams experiment with AI for a week, get mixed results, and conclude the tools are not ready. The problem is rarely the model — it is the prompt.

The four-part prompt

Every reliable prompt for marketing copy contains four elements: role, task, constraints, and examples. Omit any one and the output drifts.

1. Role: who is writing? (“You are a B2B copywriter specializing in fintech.”)
2. Task: what is the deliverable? (“Write a 120-word LinkedIn post.”)
3. Constraints: tone, length, format, what to avoid.
4. Examples: two or three reference pieces that model the voice.

Build a shared prompt library in Notion or Google Docs. Version it. Treat it the way engineering teams treat a style guide — because that is effectively what it is.