New research suggests that AI models from rival companies are becoming more alike in their creative answers, potentially narrowing the range of ideas that users encounter. New research from the US has found that ‘creative’ output across a wide range of leading AI models is becoming more similar over time. The authors, from Duke University, tested 69 models across 12 provider families, covering releases from 2023 to 2026, and found a statistically significant decline in output diversity across…