You're prompting ChatGPT-5.2 like it's ChatGPT-4.

Here are 5 new prompt rules for GPT-5.2:

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Go here to copy my best GPT 5.2 prompt (for free): chatgpt.com/g/g-690dc55….

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1. Purpose: Say what NOT to do

GPT-5.2 gives you more than you asked for.

Extra code. Bonus ideas. Random additions.

Fix: Do exactly what I ask. No extras. No embellishments.

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2. Role: Add a "keep it simple" rule

Give it a job title, but don't confuse it.

Mixed instructions mess it up.

Fix: You are [expert]. If something is unclear, go with the simpler choice.

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3. Instructions: Stop the play-by-play

GPT 5.2 knows what do if it has the right goal.

Focus on the goal more than the steps.

Fix: Focus on the goal completion. I will consider it a success once we [target] for [audience].

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4. Manner: Give Exact Lengths

Words like "short" or "brief" are too vague.

Be specific. Use numbers.

Fix: 3-6 sentences" or "max 5 bullets" or "2 sentences for yes/no.

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5. Effort: The Default Changed

Thinking mode is now "none" by default.

Fix: Always use "Thinking mode". Extended is even better. Understand ChatGPT is better with patience.

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6. To copy the best GPT-5.2 prompt, go to:

↳ ruben.substack.com/p/52