Sitemap

How to Create a Custom GPT in Under One Hour

Turn ChatGPT into specialised assistants for your business, content, or workflows.

4 min readAug 26, 2025

--

Press enter or click to view image in full size

If you’ve ever felt frustrated by inconsistent results from ChatGPT or tired of searching for the “perfect” prompt, there’s a solution: Custom GPTs. These are personalised versions of ChatGPT designed for one very specific task — like turning transcripts into LinkedIn posts, writing patient information leaflets, or drafting ad copy.

The beauty of a Custom GPT is that once you set it up, you no longer have to think about prompting. It knows what you want and produces reliable results every time. Even better, you can create one in less than an hour.

Here’s how.

Step 1 — Choose one narrow job (5 minutes)

Custom GPTs work best when they do one thing well. Don’t try to make a “do everything” assistant. Instead, focus on a single task you repeat often.

Examples:

  • Turn webinar transcripts into a LinkedIn post.
  • Summarise medical policy documents into patient-friendly handouts.
  • Draft Facebook ad copy in my brand’s tone of voice.

Step 2 — Gather your “source of truth”…

--

--

Marie Ennis-O'Connor
Marie Ennis-O'Connor

Written by Marie Ennis-O'Connor

Social Media Consultant. Keynote Speaker. Digital Storyteller. https://hcsmmonitor.com

No responses yet