Core Insights - The spread of false information by generative AI tools has increased significantly, with a 35% occurrence rate in August this year compared to 18% in the same month last year [1] - The introduction of real-time web search capabilities in chatbots has led to a decrease in refusal rates to answer user queries, dropping from 31% in August 2024 to 0% a year later, which has contributed to the dissemination of misinformation [1][4] Performance of AI Models - Inflection's model has the highest misinformation spread rate at 56.67%, followed by Perplexity at 46.67%, while ChatGPT and Meta's models have a misinformation rate of 40% [3] - The best-performing models are Claude and Gemini, with misinformation rates of 10% and 16.67% respectively [4] - Perplexity's performance has notably declined, with its misinformation spread rate rising from 0% in August 2024 to nearly 50% a year later [4] Challenges in Information Verification - The integration of web search was intended to address outdated responses from AI but has instead led to new issues, as chatbots now source information from unreliable sources [4] - Newsguard has identified a fundamental flaw in AI's approach, as early models avoided spreading misinformation by refusing to answer questions, but current models are now exposed to a polluted information ecosystem [4] AI's Limitations - OpenAI acknowledges that language models inherently produce "hallucinated content," as they predict the next likely word rather than seeking factual accuracy [5] - The company is working on new technologies to indicate uncertainty in future models, but it remains unclear if this will effectively address the deeper issue of misinformation spread by AI [5]

Core Viewpoint - Meituan refutes claims regarding the educational background of its delivery riders, stating that such information lacks factual basis and is spread as false information for gaining attention [3][14]. Group 1: Meituan's Response - Meituan's official account clarified that any claims about the educational qualifications of riders, such as "30% of riders are undergraduates" or "70,000 master's degree holders," are unfounded and should be verified through official channels like the Ministry of Education or relevant educational institutions [3][14]. - The company emphasized that the total data regarding riders' educational backgrounds is not supported by facts and is merely speculative [3][14]. Group 2: Case of Ding XZ - Ding XZ, a 39-year-old individual claiming to have multiple prestigious degrees, has gained attention for his contrasting identity as a delivery rider [3][5]. - Meituan conducted an investigation into Ding XZ's delivery activity, revealing that he registered as a rider on February 15 and has only worked a few days, averaging about 2 hours of work per day with a total income of 174.3 yuan from 34 deliveries [3][4]. - Ding XZ's videos, which prominently feature his educational background, have seen a significant increase in viewership, particularly during a period of intense posting [5].