OpenAI’s o3 model emerged victorious in a recent AI chess tournament, defeating xAI’s Grok 4 in the final, intensifying the rivalry between the two companies. The competition, hosted on Google’s Kaggle platform over three days,

Know how OpenAI's AI model defeated Elon Musk's Grok in a recent AI chess tournament, exploring the capabilities of modern large language models in strategic games.

Elon Musk downplayed the loss, calling Grok’s earlier strong performance a “side effect” and stating that xAI had “spent almost no effort on chess.” The match result adds another public layer to the rivalry between Musk’s xAI and OpenAI, co-founded by individuals who once worked together.

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

A unique chess tournament brought together AI models from leading global tech companies, pitting consumer-ready systems against each other. The three-day event, hosted on Google-owned Kaggle, featured eight models from Anthropic,

Google's AI chess tournament ended Thursday with OpenAI’s o3 model sweeping xAI's Grok in four straight games.

OpenAI’s o3 has defeated xAI’s Grok in a chess match that took place on Google’s Kaggle platform. But what does it prove?

With a 4-0 win over Elon Musk's AI Grok 4 in the final, ChatGPT's o3 Large Language Model (LLM) took the crown at the first AI chess tournament.

Five-time world chess champion Magnus Carlsen was among the ones to react to the AI-only chess tournament, a first of its kind. Google's Gemini 2.5 Pro finished third

Elon Musk's Grok 4 was the strongest fighter in the eight-player field until the final. But in the final, it made questionable knight and bishop sacrifices and blundered away the queen more than once.