Defining and evaluating political bias in LLMs
Date : 2025-10-09
Description
OpenAI created a political bias evaluation that mirrors real-world usage to stress-test their models’ ability to remain objective. This evaluation is composed of approximately 500 prompts spanning 100 topics and varying political slants. It measures five nuanced axes of bias, enabling us to decompose what bias looks like and pursue targeted behavioral fixes to answer three key questions: Does bias exist? Under what conditions does bias emerge? When bias emerges, what shape does it take?
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