ChatGPT-maker OpenAI has beaten Elon Musk’s Grok in the final of a tournament to crown the best artificial intelligence (AI) chess player.
Historically, tech companies have often used chess to assess the progress and abilities of a computer, with modern chess machines virtually unbeatable against even the top human players.
But this competition did not involve computers designed for chess – instead it was held between AI programs designed for everyday use.
OpenAI’s o3 model emerged unbeaten in the tournament and defeated xAI’s model Grok 4 in the final, adding fuel to the fire of an ongoing rivalry between the two firms.
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