OpenAI’s o3 Dominates xAI Grok 4 in 4-0 Kaggle Chess Final

In an AI chess tournament on Google's Kaggle in August 2025, OpenAI's o3 model dominated, defeating xAI's Grok 4 in a 4-0 final, highlighting the rivalry between Sam Altman and Elon Musk. The event revealed LLMs' strategic strengths and weaknesses, with broader implications for AI reliability in real-world tasks. This victory underscores OpenAI's lead in advancing general intelligence.