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ChatGPT's System Prompt: A Line-by-Line Breakdown

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ChatGPT's System Prompt: A Line-by-Line Breakdown

A line-by-line analysis of ChatGPT's actual leaked system prompt and the mechanisms running behind the scenes. Includes tactics you can apply directly to your own prompt design.

Mehmet Kocabaş
Mehmet Kocabaş17 Temmuz 2026

ChatGPT recently exposed its system prompt to a user. That's a rare chance to see exactly how it works backstage. I broke the prompt down piece by piece so you can learn how to tune your own outputs going forward.

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