ChatGPT-5 Is Coming—Get the Definitive 60 Page Guide to Prompting in the Reasoning Era

Source: Nate’s Newsletter Date: 2025-08-07 URL: https://natesnewsletter.substack.com/p/chatgpt-5-is-comingyoure-still-not

Summary

Reasoning models require fundamentally different prompting than pattern-matching models — using old prompting instincts on ChatGPT-5 is “like driving a Formula 1 car with the parking brake on.” Nate’s 60-page guide offers 12 counterintuitive principles for the reasoning era, including parallel divergence exploration and semantic denoising through recursion.

Implications

Vendor positioning thread. ChatGPT-5’s reasoning architecture creates a capability-accessibility gap: raw capability is higher but the prompting contract is different enough that most users will underperform. This benefits users who invest in the new grammar and penalizes those who carried forward old habits.

Agent product strategy thread. If reasoning models require parallel divergence exploration — generating multiple solution paths before converging — agents need orchestration layers that exploit this mode, not just sequential prompt chains. The prompting shift implies an architecture shift.

AI economics thread. Prompting expertise as a depreciating asset: every major model generation resets the value of accumulated prompt know-how. The 60-page guide is itself evidence of how expensive this relearning cycle is per model release.

Watch: Whether OpenAI publishes official prompting guidance for reasoning models that converges with or contradicts Nate’s 12 principles, and whether the gap between sophisticated and naive users measurably widens.