依隆大学：2025年人工智能”类人化”互动：美国大型语言模型（LLM）用户调查报告（英文版）

Half of Americans now use artificial intelligence (AI) large language models like ChatGPT, Gemini, Claude, and Copilot. Since the launch of ChatGPT on Nov. 30, 2022, the spread of LLM usage in this country represents one of the fastest, if not the fastest, adoption rates of a major technology in history. The growth and spread of these AI systems in the U.S. population are especially striking for their diversity. Younger, well-educated, relatively wealthy, and employed adults are somewhat more