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OpenAI beats Elon Musk's Grok in AI chess tournament

The tournament saw models from Anthropic, Google, xAI and DeepSeek compete against each other to be crowned the top AI chess player.

But these AI, while talented at many everyday tasks, are still improving at chess - with Grok making a number of errors during its final games including losing its queen repeatedly. Eight large language models from Anthropic, Google, OpenAI, xAI, as well as chinese developers DeepSeek and Moonshot AI, battled against each other during Kaggle's three day tournament. As complex rule-based, strategy games, chess and Go have often been used to assess a model's ability to learn how to best achieve a certain outcome - in this case, outmaneuvering opponents to win.

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