Posterum Measures Human-Likeness With HAVS Index

Posterum Software published a recent paper introducing the Human–AI Variance Score (HAVS) and a personalized Posterum AI search app on Google Play. The study ran 16 synthetic profiles through four LLMs (ChatGPT, Claude, Gemini, DeepSeek) and compared over 1,000 answers to Gallup, Pew, and YouGov survey questions; ChatGPT and Claude scored above 94, economics questions scored lowest (86–89).