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The Custom GPT Creator Mega Prompt: Build Your Own GPT

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The Custom GPT Creator Mega Prompt: Build Your Own GPT

A mega prompt that turns ChatGPT into a chatbot architect, one that asks you the right questions step by step and produces Custom GPT instructions far stronger than OpenAI's default GPT Builder.

Mehmet Kocabaş
Mehmet Kocabaş17 Temmuz 2026

Most people building a Custom GPT just use OpenAI's default GPT Builder and end up with something shallow. This mega prompt turns ChatGPT into a 'chatbot architect': it asks about your goal, then combines ready-made building blocks into Custom GPT instructions that are far more thorough and professional.

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