Personas, Panels, and the Illusion of Free A/B Tests
Opening — Why this matters now Everyone wants cheaper A/B tests. Preferably ones that run overnight, don’t require legal approval, and don’t involve persuading an ops team that this experiment definitely won’t break production. LLM-based persona simulation looks like the answer. Replace humans with synthetic evaluators, aggregate their responses, and voilà—instant feedback loops. Faster iteration, lower cost, infinite scale. What could possibly go wrong? ...