liveBook · Manning

Custom GPT

A custom GPT is a configurable GPT-based assistant incorporating user-provided instructions, knowledge, and task-specific behavior.

How 2 Manning books explain it

AI for Everyday IT

A custom GPT is a configurable version of ChatGPT that incorporates user-provided knowledge, instructions, and task-specific behavior.

How it is used
Specializes ChatGPT for repeated, task-specific work by retaining instructions, preferences, and relevant organizational knowledge.
How deep it goes
Explains role design, instructions, starters, uploaded knowledge, capabilities, saving, and privacy risks without discussing model internals.
Examples
Uses PowerShell, SQL performance tuning, infrastructure documentation, change management, and IT service-ticket analysis as workplace examples.
What you can do after
Build it from scratch as a focused assistant that analyzes tickets, follows organizational standards, or answers questions from uploaded documents.

Read how AI for Everyday IT explains custom GPT →

WordPress Power Toolkit: Harness AI to build next-level websites

A custom GPT is a configured GPT-based assistant with user-supplied data and instructions for specialized purposes.

How it is used
Specializes GPT for repeatable blog work such as evaluating posts and generating titles.
How deep it goes
Walks through wizard setup, detailed title constraints, and post-creation editing without explaining model internals.
Examples
Uses Blog Evaluator on an Instant Pot draft and builds a Headline Helper for blog-message titles.
What you can do after
Build it from scratch as a blog-title assistant and revise response formatting in GPT Builder.

Read how WordPress Power Toolkit: Harness AI to build next-level websites explains custom GPT →

Related concepts

These guides are generated from the text of Manning books by Manning's knowledge graph and link to the sections they draw on. The full books are available on liveBook and at manning.com.