AI‑Generated Content Makes Brands Nearly Identical, Study Shows 81% Similarity
A new study from the University of Washington and collaborators shows that outputs from leading LLMs such as GPT‑4o, Claude, Gemini, DeepSeek and Qwen are 81‑82% identical on real‑world prompts, causing brand messaging to converge into near‑identical language. This “Artificial Hivemind” threatens brand differentiation and erodes consumer trust.