Intercept and Correct Reasoning Mid-Response with GPT-5.4 Thinking
Monitor and steer the model’s reasoning before it finishes responding.
Use the 'Thinking' plan feature in GPT-5.4 to review the model's logic in real-time. If the plan looks incorrect, intervene immediately to save time and tokens.
The Scenario
You are asking the model to architect a multi-stage software project or a complex legal argument. You want to ensure it doesn't waste time on a flawed initial assumption.
Before & after
Users typically waited for a full response to generate (2-5 minutes) only to realize the logic was flawed, requiring a prompt rewrite and a total restart.
In about 1-2 minutes, read the live "Thinking" plan to confirm the steps. If you see the model going down a rabbit hole, click to adjust its course immediately.
The Prompt
Generate a complex [PROJECT_PLAN/TECHNICAL_ARCHITECTURE] for [TOPIC]. Before providing the final result, show me your step-by-step thinking plan so I can adjust your course if needed.
GPT-5.4 Thinking now provides an upfront plan of its reasoning. This allows users to catch hallucinations or logic errors before the final output is even rendered.
Source
Model Release Notes | OpenAI Help Center"GPT‑5.4 Thinking can now provide an upfront plan of its thinking, so you can adjust course mid-response while it’s working."