Duke Study Finds Creative Output Across Frontier LLMs Is Converging Toward Semantic Monoculture
A longitudinal study by researchers at Duke University has documented a measurable decline in output diversity across major large language model families. Tracking 69 foundation model checkpoints released between March 2023 and July 2026, the researchers found that generative responses to open-ended creative and ideation prompts are increasingly converging toward semantic uniformity across competing providers. The paper, titled Are LLMs becoming similarly creative? Evidence from three years of
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