Longer LLM responses have lower factual precision, and the main cause appears to be the model exhausting reliable knowledge on a topic, not error propagation or long context.
**Small factual errors (e.g., places, dates, or minor career details) are suitable**
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How Does Response Length Affect Long-Form Factuality
Longer LLM responses have lower factual precision, and the main cause appears to be the model exhausting reliable knowledge on a topic, not error propagation or long context.