The Ultimate Guide To ChatGPT Custom Instructions

The Ultimate Guide To ChatGPT Custom Instructions

by The AI Advantage

Applied Sciences & Engineering AI — Models & Research UYQArtificial intelligence (AI)UYQFGenerative artificial intelligence
🎙 The AI Advantage 👥 482K 📅 August 1, 2023 ⏱ 12 min 👁 139K 📄 tutorial 🧭 2026-09-15
Available in: English (current) Français

Keywords

ChatGPTcustom instructionsAI personaprompt engineeringoutput quality

Summary

This video presents a comprehensive guide to using custom instructions in ChatGPT. The creator explains how to access and utilize the two custom instruction fields to provide context about the user and the desired response style. He introduces a persona modeling framework with detailed categories such as profession, goals, values, and preferences for both fields. The video demonstrates concrete examples, including a digital marketer and a serial entrepreneur persona, comparing outputs with and without custom instructions. The results show significant improvements in relevance, structure, and depth when personas are applied. The creator also shares a free Notion template and a product with pre-made personas, and offers tips on crafting effective instructions while staying within the character limit.

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Critical Evaluation

Value of the Information & Strength of the Argument

The video adds value by offering a practical, easy-to-implement method for enhancing ChatGPT responses through persona-based custom instructions. The argumentation is convincing due to the side-by-side comparisons that illustrate the differences in output quality. The creator provides a structured framework that users can adopt, which adds credibility. However, the arguments are based on subjective assessment and lack quantitative evaluation, limiting their scientific rigor.

Scientific Rigor, Source Quality, Title Accuracy

The video does not cite external academic sources; it relies on the creator’s own experience and templates. The links in the description lead to the creator’s own resources, which may introduce bias. The title is accurate but the content is more of a practical guide than a scientific study. The rigor is moderate for a YouTube tutorial.

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Title / Content Match

The title accurately reflects the content: the video comprehensively explains how to use custom instructions in ChatGPT to improve outputs.

Quality & Reliability

7/10

The video is well-structured and provides practical examples, but it lacks external scientific references and relies on the creator's subjective evaluation of results. The methodology is clear, but the claims are not empirically validated.

Chapters

Cited Sources

Contribution & Novelties

The video introduces a novel, systematic approach to using ChatGPT custom instructions by employing detailed personas. It offers a free template and a paid collection of ready-made personas, standardizing the process. This innovation makes advanced prompt engineering accessible to casual users.

Pour aller plus loin :

87 words

Radar Profile

The profile shows high scores in quantity and quality of information, moderate reliability, and low complexity, indicating an accessible yet comprehensive tutorial.

Reliability 7/10

💬 positif. The commenters are highly positive, expressing gratitude for the practical tips and shared templates. Several mention successfully applying the methods, which reinforces the video's credibility.