285 China AI = LLM Performance Catching Up to USA Models, per Stanford HAI… Note: The LMSYS Chatbot Arena is a public website where people compare two AI chatbots by asking them the same question and voting on which answer is better. The results help rank how well different language models perform based on human judgment. Only the highest-scoring model in any given month is shown in this comparison. Source: LMSYS via Nestor Maslej et al., ‘The AI Index 2025 Annual Report,’ AI Index Steering Committee, Stanford HAI (4/25) Performance of Top-Scoring USA vs. Chinese AI Model on LMSYS Chatbot Arena – 1/24-2/25, per Stanford HAI & LMSYS USA vs. China in Technology = China’s AI Response Time Significantly Faster vs. Internet 1995
