Tracing the Goblin Quirk in GPT Models (6 minute read)
OpenAI traces a quirky GPT-5.1 behavior back to reward signals from personality tuning, illustrating how small optimization choices can steer model style. The piece is more of a model-behavior note than a builder-facing technical deep dive.
From the source
OpenAI linked increased use of "goblin"-style metaphors in GPT-5.1 to reward signals from personality tuning, showing how small incentives can shape model behavior.
Tags
model-behavioralignmentreward-tuning
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