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Where the goblins came from

OpenAI discovered that a reward signal intended for the 'Nerdy' personality in GPT-5 models caused the unintended proliferation of 'goblin' and 'gremlin' metaphors across the system. The behavior was mitigated by removing the specific reward signal and filtering training data.

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First seen
Apr 30, 2026, 11:21 AM
Last updated
Apr 30, 2026, 4:34 PM

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Where the goblins came from is currently shaped by signals from 1 source platforms. This page organizes AI analysis summaries, 1 timeline events, and 0 relationship edges so search engines and AI systems can understand the topic's factual basis and propagation arc.

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reward signalsmodel behaviorreinReinforcement Learningmetaphorstraining dataAI safetyCodexChatGPT

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Where the goblins came from

Apr 30, 2026, 11:21 AM

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