Mirror Particle Argues Large Language Models Fall Short for Understanding Human Behavior

Mirror Particle, a San Francisco-based startup, is launching at TechCrunch Disrupt's Startup Battlefield with a purpose-built world model designed to predict and explain human behavior—directly challenging the industry's reliance on large language models for consumer insights. The two-year-old company, founded by neuroscientist-turned-entrepreneur Abhivyakti Ahuja, software engineer Will Song, and deep learning specialist Thomson Yen, contends that prompting or fine-tuning large language models to roleplay target demographics fundamentally misunderstands how humans actually work.