How to Write Reusable AI Image Prompts with Variables (5 Templates You Can Copy)
By Zaheer | Updated 10 October 2026 Disclosure: I sell image prompts on PromptBase, and some links in the last section are referral links. The techniques and templates before that section are free to use and don't need any purchase. The difference between a lucky AI image and a reliable one is usually the prompt. A one-off prompt gets you one picture. A reusable prompt, with a few clearly marked variables, lets you produce a whole series that looks consistent without rewriting anything. This guide explains how a good image prompt is built, how to turn it into a template, and gives you five templates you can copy and adapt for ChatGPT's image generation, Gemini or similar tools. The anatomy of a good image prompt Most weak prompts are short and vague: "a nice photo of a house". Stronger prompts answer the same handful of questions, in this order: Subject: what is the main thing in the picture? Setting: where is it, and what is around it? Style:...