OpenAI atribui obsessão do ChatGPT por goblins a treinamento de personalidade 'nerd'

A OpenAI explicou por que seus modelos ChatGPT desenvolveram uma afinidade incomum em mencionar goblins e gremlins. O problema surgiu do aprendizado por reforço no recurso de personalidade 'nerd'. A empresa resolveu a questão retirando a personalidade e ajustando os processos de treinamento.

O ChatGPT começou a apresentar um aumento acentuado nas referências a goblins e gremlins após o lançamento do GPT-5.1 em novembro passado. A OpenAI relatou que o uso de 'goblin' subiu 175 por cento e o uso de 'gremlin' aumentou 52 por cento após esse lançamento. A tendência se intensificou com modelos posteriores como o GPT-5.4, motivando uma investigação, de acordo com uma postagem no blog da empresa publicada em 29 de abril de 2026, conforme relatado inicialmente por fontes como Ethan Mollick e pela cobertura da postagem pelo CNET. A OpenAI observou: “Um único 'pequeno goblin' em uma resposta poderia ser inofensivo, até mesmo charmoso. No entanto, entre as gerações de modelos, o hábito tornou-se difícil de ignorar: os goblins continuavam a se multiplicar.”

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