ChatGPT's Chinese Response Pattern Reveals Training Blind Spot

ChatGPT repeatedly offers a Chinese therapy phrase—"我会稳稳地接住你" (I will catch you steadily)—to unrelated queries. The glitch, called mode collapse, happens when the training process over-reinforces patterns that scored high with human raters. It exposes a real problem: standard testing doesn't catch language-specific quirks that slip through labs but surface in live use.