OpenAI included a line in Codex's instructions restricting references to goblins, gremlins, trolls, and ogres. It also figured out the root cause.

OpenAI has solved a “goblin mystery” impacting ChatGPT that caused the AI chatbot to become obsessed with the mythical ...

ChatGPT and GPT-5 kept mentioning gremlins and goblins. We now know why. Vital lessons to be had. An AI Insider analysis and ...

OpenAI has revealed the reason behind ChatGPT referencing Goblins, gremlins and other mythical creatures. The company explained that the issue stemmed from a faulty personality in the chatbot.

OpenAI says ChatGPT models developed a strange habit of mentioning goblins and gremlins, revealing how AI personality tics can spread.

ChatGPT Is Weirdly Obsessed With Goblins. Here's How OpenAI Fixed It ...

GPT-5.5’s odd obsession with goblins, gremlins, trolls, and other fantasy creatures stems from the AI model’s ‘Nerdy’ ...

Never talk about goblins, gremlins, raccoons, trolls, ogres, pigeons, or other animals or creatures unless it is absolutely and unambiguously relevant,” reads OpenAI’s coding agent instructions.

But because OpenAI started GPT-5.5’s training before it figured out why ChatGPT was talking so much about goblins, the ...

Starting sometime in November, people who used ChatGPT began noticing some peculiar behavior: the AI chatbot would not shut ...