---
title: "AI Quick Tips 273: Lower hallucination risk with GPT-5.2 (and most other models as well)"
description: Reduce hallucination risk in AI responses with GPT-5.2 by handling ambiguity effectively and performing high-risk self-checks. Learn key prompting techniques for more accurate AI outputs.
image: https://thoughtsbrewing.com/hubfs/AI%20Quick%20Tips-1.jpg
---
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# AI Quick Tips 273: Lower hallucination risk with GPT-5.2 (and most other models as well)
January 10, 2026
 [Damien Griffin](https://thoughtsbrewing.com/blog/author/damien)
Continuing with documentation snippets that may be useful for you, this post will go over the section on “Handling ambiguity and hallucination risk” from OpenAI’s GPT-5.2 prompting guide.
If you didn’t read the last few quick tips then this isn’t really a continuation for you but welcome anyway.
These prompt sections are intended to *“configure the prompt for overconfident hallucinations on ambiguous queries (e.g., unclear requirements, missing constraints, or questions that need fresh data but no tools are called)”*
### Mitigation prompt:
> \
>
> \- If the question is ambiguous or underspecified, explicitly call this out and:
>
> - Ask up to 1–3 precise clarifying questions, OR
>
> - Present 2–3 plausible interpretations with clearly labeled assumptions.
>
> \- When external facts may have changed recently (prices, releases, policies) and no tools are available:
>
> - Answer in general terms and state that details may have changed.
>
> \- Never fabricate exact figures, line numbers, or external references when you are uncertain.
>
> \- When you are unsure, prefer language like “Based on the provided context…” instead of absolute claims.
>
> \
### You can also add a short self-check step for high-risk outputs:
> \
>
> Before finalizing an answer in legal, financial, compliance, or safety-sensitive contexts:
>
> \- Briefly re-scan your own answer for:
>
> - Unstated assumptions,
>
> - Specific numbers or claims not grounded in context,
>
> - Overly strong language (“always,” “guaranteed,” etc.).
>
> \- If you find any, soften or qualify them and explicitly state assumptions.
>
> \
Add these sections to your prompts when you feel it is appropriate. If you aren’t sure, then add them to all prompts.
Take a look at [AI Quick Tips #261](https://thoughtsbrewing.com/blog/ai-quick-tips-261-prompt-template-with-best-practices-baked-in) if you don’t know the notations that they are using.
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