AI models are terrible at betting on soccer—especially xAI Grok

AI models from Google, OpenAI, and Anthropic lost money betting on soccer matches over a Premier League season, in a new study suggesting even the most advanced systems struggle to analyze the real world over long periods. The “KellyBench” report released this week by AI start-up General Reasoning highlights the gap between AI’s rapidly advancing capabilities in certain tasks, such as writing software, and its shortcomings in other kinds of human problems. London-based General Reasoning tested eight top AI systems in a virtual re-creation of the 2023–24 Premier League season, providing them with detailed historical data and statistics about each team and previous games. The AIs were instructed to build models that would maximize returns and manage risk.Read full article Comments