OpenAI says its models, starting with GPT-5.1, 'increasingly mentioned goblins, gremlins, and other creatures', leading to prompt instructions to mitigate it (OpenAI)
DGX agentOpenAI: OpenAI says its models, starting with GPT-5.1, “increasingly mentioned goblins, gremlins, and other creatures”, leading to prompt instructions to mitigate it — Starting with GPT-5.1, our model