Model
gpt-5.1
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OpenAI explains why its models keep mentioning goblins
Mentions of 'goblin' in ChatGPT rose 175% after GPT-5.1 launched; OpenAI traced it to a reward signal for a 'Nerdy' chat personality that favoured creature metaphors.
Culture & impact
OpenAI releases GPT-5.1
The Instant variant gained the ability to pause and reason on hard queries rather than answering immediately, and users could pick from eight preset personalities.
Models & capabilities