Elon Musk’s Grok loses to Sam Altman’s OpenAI in AI chess tournament
Grok vs OpenAI: Which bot is better at chess?
- OpenAI’s o3 model decisively defeated xAI’s Grok 4 with a flawless 4–0 victory in the final of the Kaggle AI Exhibition Tournament.
- This tournament was the first major competition to test general-purpose large language models (LLMs) in a chess setting.
- The match held personal significance due to the rivalry between OpenAI CEO Sam Altman and xAI founder Elon Musk, who were co-founders of OpenAI.
- Elon Musk commented on Grok 4’s performance, stating that xAI had spent “almost no effort on chess.”
- World number one chess player Magnus Carlsen estimated Grok’s rating at approximately 800 and OpenAI’s model at around 1200, significantly below his own peak rating.