OpenAI Finally Explains Why ChatGPT Wouldn’t Stop Talking About Goblins
In brief OpenAI’s “Nerdy” personality rewarded goblin metaphors, spreading the quirk across all GPT models through reinforcement learning. Goblin mentions in GPT-5.4’s Nerdy mode surged 3,881% compared to GPT-5.2, prompting an internal investigation and emergency system prompt patch. The fix—writing “never talk about goblins” in a developer prompt—shows why system prompt patches are faster but…